List of quasars (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "List of quasars" in English language version.

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"Finding the Fastest Galaxy: 76,000 Miles per Second". Time. 10 April 1964.

archive.org

Malcolm S. Longair (2006). The Cosmic Century: A History of Astrophysics and Cosmology. Cambridge University Press. p. 7. ISBN 978-0-521-47436-8.

arstechnica.com

Xaq Rzetelny (8 January 2015). "Supermassive black hole binary discovered".

arxiv.org

Venturini, S.; Solomon, P. M. (2003). "The Molecular Disk in the Cloverleaf Quasar". The Astrophysical Journal. 590 (2): 740–745. arXiv:astro-ph/0210529. Bibcode:2003ApJ...590..740V. doi:10.1086/375050. S2CID 761080.
Inada, N.; et al. (2003). "A Gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds". Nature. 426 (6968): 810–812. arXiv:astro-ph/0312427. Bibcode:2003Natur.426..810I. doi:10.1038/nature02153. PMID 14685230. S2CID 4411894.
Oguri, M.; et al. (2004). "Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112". The Astrophysical Journal. 605 (1): 78–97. arXiv:astro-ph/0312429. Bibcode:2004ApJ...605...78O. doi:10.1086/382221. S2CID 15594674.
Inada, N.; et al. (2005). "Discovery of a Fifth Image of the Large Separation Gravitationally Lensed Quasar SDSS J1004+4112". Publications of the Astronomical Society of Japan. 57 (3): L7 – L10. arXiv:astro-ph/0503310. Bibcode:2005PASJ...57L...7I. doi:10.1093/pasj/57.3.L7.
Inada, Naohisa; et al. (2006). "SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22."5". The Astrophysical Journal. 653 (2): L97 – L100. arXiv:astro-ph/0611275. Bibcode:2006ApJ...653L..97I. doi:10.1086/510671. S2CID 7368712.
Oguri, Masamune; et al. (2008). "The Third Image of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 676 (1): L1 – L4. arXiv:0802.0002. Bibcode:2008ApJ...676L...1O. doi:10.1086/586897. S2CID 740758.
Kratzer, Rachael M; et al. (2011). "Analyzing the Flux Anomalies of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 728 (1): L18. arXiv:1008.2315. Bibcode:2011ApJ...728L..18K. doi:10.1088/2041-8205/728/1/L18. S2CID 119154857.
Dahle, H.; et al. (2013). "SDSS J2222+2745: A Gravitationally Lensed Sextuple Quasar with a Maximum Image Separation of 15.1″ Discovered in the Sloan Giant Arcs Survey". The Astrophysical Journal. 773 (2): 146. arXiv:1211.1091. Bibcode:2013ApJ...773..146D. doi:10.1088/0004-637X/773/2/146. S2CID 89604876.
Hennawi, Joseph F.; Prochaska, J. Xavier; Cantalupo, Sebastiano; Arrigoni-Battaia, Fabrizio (15 May 2015). "Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe". Science. 348 (6236): 779–783. arXiv:1505.03786. Bibcode:2015Sci...348..779H. doi:10.1126/science.aaa5397. PMID 25977547. S2CID 35281881.
Clowes, Roger G.; Harris, Kathryn A.; Raghunathan, Srinivasan; Campusano, Luis E.; Soechting, Ilona K.; Graham, Matthew J. (2013). "A structure in the early universe at z ~ 1.3 that exceeds the homogeneity scale of the R-W concordance cosmology". Monthly Notices of the Royal Astronomical Society. 429 (4): 2910–2916. arXiv:1211.6256. Bibcode:2013MNRAS.429.2910C. doi:10.1093/mnras/sts497.
Collin, Suzy (2006). "Quasars and Galactic Nuclei, a Half-Century Agitated Story". AIP Conference Proceedings. 861: 587–595. arXiv:astro-ph/0604560. Bibcode:2006AIPC..861..587C. doi:10.1063/1.2399629. S2CID 14346374.
Matthew J. Graham; S. George Djorgovski; Daniel Stern; Eilat Glikman; Andrew J. Drake; Ashish A. Mahabal; Ciro Donalek; Steve Larson; Eric Christensen (25 July 2014). "A possible close supermassive black-hole binary in a quasar with optical periodicity". Nature. 518 (7537) (published 7 January 2015): 74–76. arXiv:1501.01375. Bibcode:2015Natur.518...74G. doi:10.1038/nature14143. PMID 25561176. S2CID 4459433.
Jiang, Linhua; Fan, Xiaohui; Brandt, W. N; Carilli, Chris L; Egami, Eiichi; Hines, Dean C; Kurk, Jaron D; Richards, Gordon T; Shen, Yue; Strauss, Michael A; Vestergaard, Marianne; Walter, Fabian (2010). "Dust-free quasars in the early Universe". Nature. 464 (7287): 380–383. arXiv:1003.3432. Bibcode:2010Natur.464..380J. doi:10.1038/nature08877. PMID 20237563. S2CID 4317805.
Shields, Gregory A. (June 1999). "A Brief History of Active Galactic Nuclei". Publications of the Astronomical Society of the Pacific. 111 (760): 661–678. arXiv:astro-ph/9903401. Bibcode:1999PASP..111..661S. doi:10.1086/316378. S2CID 18953602.; Shields, G. "A Brief History of AGN". nedwww.ipac.caltech.edu.
Illingworth, Garth (1999). "Galaxies at High Redshift". Astrophysics and Space Science. 269/270: 165–181. arXiv:astro-ph/0009187. Bibcode:1999Ap&SS.269..165I. doi:10.1023/A:1017052809781. S2CID 119363931.; Illingworth, G. "8. Z > 5 Galaxies". nedwww.ipac.caltech.edu.
Schneider, Donald P.; et al. (August 2005). "The Sloan Digital Sky Survey Quasar Catalog. III. Third Data Release". The Astronomical Journal. 130 (2): 367–380. arXiv:astro-ph/0503679. Bibcode:2005AJ....130..367S. doi:10.1086/431156. S2CID 21213675.
Willott, C. J.; et al. (2007). "Four Quasars above Redshift 6 Discovered by the Canada-France High-z Quasar Survey". The Astronomical Journal. 134 (6): 2435–2450. arXiv:0706.0914. Bibcode:2007AJ....134.2435W. doi:10.1086/522962. S2CID 9718805.
Bertoldi, F; et al. (2003). "High-excitation CO in a quasar host galaxy at z = 6.42". Astronomy & Astrophysics. 409 (3): L47 – L50. arXiv:astro-ph/0307408. Bibcode:2003A&A...409L..47B. doi:10.1051/0004-6361:20031345. S2CID 14799311.
Beelen, A.; et al. (2006). "350 Micron Dust Emission from High Redshift Quasars". The Astrophysical Journal. 642 (2): 694–701. arXiv:astro-ph/0603121. Bibcode:2006ApJ...642..694B. doi:10.1086/500636. S2CID 118902314.
Dokuchaev, V. I; Eroshenko, Yu. N; Rubin, S. G (2007). "Origin of supermassive black holes". arXiv:0709.0070 [astro-ph].
White, Richard L.; Becker, Robert H.; Fan, Xiaohui; Strauss, Michael A. (July 2003). "Probing the Ionization State of the Universe at z > 6". The Astronomical Journal. 126 (1): 1–14. arXiv:astro-ph/0303476. Bibcode:2003AJ....126....1W. doi:10.1086/375547. S2CID 51505828.
Wang, Ran; et al. (2007). "Millimeter and Radio Observations of z~6 Quasars". The Astronomical Journal. 134 (2): 617–627. arXiv:0704.2053. Bibcode:2007AJ....134..617W. doi:10.1086/518867. S2CID 17334898.
Pentericci, L; et al. (2002). "VLT observations of the z = 6.28 quasar SDSS 1030+0524". The Astronomical Journal. 123 (5): 2151. arXiv:astro-ph/0112075. Bibcode:2002AJ....123.2151P. doi:10.1086/340077. S2CID 119041760.
Haiman, Zoltán; Cen, Renyue (2002). "A Constraint on the Gravitational Lensing Magnification and Age of the Redshift z = 6.28 Quasar SDSS 1030+0524". The Astrophysical Journal. 578 (2): 702–7. arXiv:astro-ph/0205143. Bibcode:2002ApJ...578..702H. doi:10.1086/342610. S2CID 12005897.
Farrah, D; Priddey, R; Wilman, R; Haehnelt, M; McMahon, R (2004). "The X-Ray Spectrum of the z = 6.30 QSO SDSS J1030+0524". The Astrophysical Journal. 611 (1): L13. arXiv:astro-ph/0406561. Bibcode:2004ApJ...611L..13F. doi:10.1086/423669. S2CID 14854831.
Fan, Xiaohui; et al. (December 2001). "A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ~ 6". The Astronomical Journal. 122 (6): 2833–2849. arXiv:astro-ph/0108063. Bibcode:2001AJ....122.2833F. doi:10.1086/324111. S2CID 119339804.
Cosmin Ilie, Katherine Freese, Andreea Petric, Jillian Paulin (21 December 2023), UHZ1 and the other three most distant quasars observed: possible evidence for Supermassive Dark Stars, arXiv:2312.13837{{citation}}: CS1 maint: multiple names: authors list (link)
Bañados, Eduardo; et al. (6 December 2017). "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5". Nature. 553 (7689): 473–476. arXiv:1712.01860. Bibcode:2018Natur.553..473B. doi:10.1038/nature25180. PMID 29211709. S2CID 205263326.
Iye, Masanori; et al. (2006). "A galaxy at a redshift z = 6.96". Nature. 443 (7108): 186–8. arXiv:astro-ph/0609393. Bibcode:2006Natur.443..186I. doi:10.1038/nature05104. PMID 16971942. S2CID 2876103.
Hu, E. M.; et al. (5 March 2002). "A Redshift z = 6.56 Galaxy behind the Cluster Abell 370". The Astrophysical Journal Letters. 568 (2): L75 – L79. arXiv:astro-ph/0203091. Bibcode:2002ApJ...568L..75H. doi:10.1086/340424. S2CID 117047333.
Kodaira, K; et al. (2003). "The Discovery of Two Lyman α Emitters Beyond Redshift 6 in the Subaru Deep Field". Publications of the Astronomical Society of Japan. 55 (2): L17 – L21. arXiv:astro-ph/0301096. Bibcode:2003PASJ...55L..17K. doi:10.1093/pasj/55.2.L17.
Hu, Esther M.; McMahon, Richard G.; Cowie, Lennox L. (3 August 1999). "An Extremely Luminous Galaxy at z = 5.74". The Astrophysical Journal Letters. 522 (1): L9 – L12. arXiv:astro-ph/9907079. Bibcode:1999ApJ...522L...9H. doi:10.1086/312205. S2CID 119499546.
Stern, Daniel; et al. (20 March 2002). "Chandra Detection of a Type II Quasar at z = 3.288". The Astrophysical Journal. 568 (1): 71–81. arXiv:astro-ph/0111513. Bibcode:2002ApJ...568...71S. doi:10.1086/338886. S2CID 119014942.
Stern, Daniel; Spinrad, Hyron; Eisenhardt, Peter; Bunker, Andrew J.; Dawson, Steve; Stanford, S. A.; Elston, Richard (20 April 2000). "Discovery of a Color-selected Quasar at z = 5.50". The Astrophysical Journal. 533 (2): L75 – L78. arXiv:astro-ph/0002338. Bibcode:2000ApJ...533L..75S. doi:10.1086/312614. PMID 10770694. S2CID 28118881.
Fan, Xiaohui; et al. (January 2001). "High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample". The Astronomical Journal. 121 (1): 54–65. arXiv:astro-ph/0008123. Bibcode:2001AJ....121...54F. doi:10.1086/318033. S2CID 119373674.
Hook, I. M; McMahon, R. G (1998). "Discovery of radio-loud quasars with z = 4.72 and z = 4.010". Monthly Notices of the Royal Astronomical Society. 294 (1): L7 – L12. arXiv:astro-ph/9801026. Bibcode:1998MNRAS.294L...7H. doi:10.1046/j.1365-8711.1998.01368.x.
Wolf, Christian; et al. (2018). "Discovery of the Most Ultra-Luminous QSO Using GAIA, Sky Mapper, and WISE". Publications of the Astronomical Society of Australia. 35: e024. arXiv:1805.04317. Bibcode:2018PASA...35...24W. doi:10.1017/pasa.2018.22. S2CID 55363916.
Bachev, R; Strigachev, A; Semkov, E (2005). "Short-term optical variability of high-redshift QSO's". Monthly Notices of the Royal Astronomical Society. 358 (3): 774–780. arXiv:astro-ph/0412149. Bibcode:2005MNRAS.358..774B. doi:10.1111/j.1365-2966.2005.08708.x. S2CID 16843880.
Pâris, Isabelle; et al. (2012). "The Sloan Digital Sky Survey quasar catalog: Ninth data release". Astronomy & Astrophysics. 548: A66. arXiv:1210.5166. Bibcode:2012A&A...548A..66P. doi:10.1051/0004-6361/201220142. S2CID 119304969.
Stern, Jonathan; Hennawi, Joseph F; Pott, Jörg-Uwe (2015). "Spatially Resolving the Kinematics of the <100 μas Quasar Broad Line Region using Spectroastrometry". The Astrophysical Journal. 804 (1): 57. arXiv:1502.07767. Bibcode:2015ApJ...804...57S. doi:10.1088/0004-637X/804/1/57. S2CID 118482601.
Eisenhardt, Peter R. M; et al. (2012). "The First Hyper-Luminous Infrared Galaxy Discovered by WISE". The Astrophysical Journal. 755 (2): 173. arXiv:1208.5517. Bibcode:2012ApJ...755..173E. doi:10.1088/0004-637X/755/2/173. S2CID 35487945.
Wu, Xue-Bing; et al. (2015). "An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30". Nature. 518 (7540): 512–515. arXiv:1502.07418. Bibcode:2015Natur.518..512W. doi:10.1038/nature14241. PMID 25719667. S2CID 4455954.
Onken, Christopher A.; Lai, Samuel; Wolf, Christian; Lucy, Adrian B.; Hon, Wei Jeat; Tisserand, Patrick; Sokoloski, Jennifer L.; Luna, Gerardo J. M.; Manick, Rajeev; Fan, Xiaohui; Bian, Fuyan (8 June 2022). "Discovery of the most luminous quasar of the last 9 Gyr". Publications of the Astronomical Society of Australia. 39. arXiv:2206.04204. Bibcode:2022PASA...39...37O. doi:10.1017/pasa.2022.36.
Schneider, Donald P; et al. (2010). "The Sloan Digital Sky Survey Quasar Catalog V. Seventh Data Release". The Astronomical Journal. 139 (6): 2360–2373. arXiv:1004.1167. Bibcode:2010AJ....139.2360S. doi:10.1088/0004-6256/139/6/2360. S2CID 118367130.
Schneider, Donald P.; et al. (July 2007). "The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release". The Astronomical Journal. 134 (1): 102–117. arXiv:0704.0806. Bibcode:2007AJ....134..102S. doi:10.1086/518474. S2CID 14359163.
Wu, Xue-Bing; et al. (2010). "A very bright i=16.44 quasar in the 'redshift desert' discovered by LAMOST". Research in Astronomy and Astrophysics. 10 (8): 737. arXiv:1005.5499. Bibcode:2010RAA....10..737W. doi:10.1088/1674-4527/10/8/003. S2CID 118576463.

bbc.co.uk

news.bbc.co.uk

BBC News, Astronomers claim galaxy record, 11 July 2007, 17:10 GMT 18:10 UK
BBC News, Far away stars light early cosmos, 14 March 2002, 11:38 GMT
BBC News, Most distant galaxy detected, 25 March 2003, 14:28 GMT

bigear.org

OSU Big Ear, History of the OSU Radio Observatory

caltech.edu

nedipac.caltech.edu

Shields, Gregory A. (June 1999). "A Brief History of Active Galactic Nuclei". Publications of the Astronomical Society of the Pacific. 111 (760): 661–678. arXiv:astro-ph/9903401. Bibcode:1999PASP..111..661S. doi:10.1086/316378. S2CID 18953602.; Shields, G. "A Brief History of AGN". nedwww.ipac.caltech.edu.
Illingworth, Garth (1999). "Galaxies at High Redshift". Astrophysics and Space Science. 269/270: 165–181. arXiv:astro-ph/0009187. Bibcode:1999Ap&SS.269..165I. doi:10.1023/A:1017052809781. S2CID 119363931.; Illingworth, G. "8. Z > 5 Galaxies". nedwww.ipac.caltech.edu.

oralhistories.library.caltech.edu

Interview; "Maaarten Schmidt" (PDF). (556 KB); 11 April and 2 & 15 May 1996

resolver.caltech.edu

Smith, J. D; et al. (1994). "Multicolor detection of high-redshift quasars, 2: Five objects with Z greater than or approximately equal to 4". The Astronomical Journal. 108: 1147. Bibcode:1994AJ....108.1147S. doi:10.1086/117143.

astro.caltech.edu

Ivor Robinson; Alfred Schild; E. L. Schucking (eds.). "Introduction: The Discovery of Radio Galaxies and Quasars". Proceedings of the First Texas Symposium on Relativistic Astrophysics. The University of Chicago.

cam.ac.uk

ast.cam.ac.uk

Orwell Astronomical Society (Ipswich) - OASI; Archived Astronomy News Items, 1972 - 1997 Archived 2009-09-12 at the Wayback Machine

cnn.com

"Double black hole is powering quasar, astronomers find". CNN. 31 August 2015.

discovery.com

news.discovery.com

Discovery News, "Primordial 'Dust Free' Monsters Lurk at the Edge of the Universe", Ian O'Neill, 18 March 2010 (accessed 6 April 2010)

dsc.discovery.com

Discovery.com Black Hole Is Most Distant Ever Found Archived 2008-06-16 at the Wayback Machine 7 June 2007

dnaindia.com

DNA India, "Astronomers discover most primitive supermassive black holes known", ANI, 19 March 2010 (accessed 6 April 2010)

doi.org

Magain, P.; Surdej, J.; Swings, J.-P.; Borgeest, U.; Kayser, R. (1988). "Discovery of a quadruply lensed quasar - The 'clover leaf' H1413 + 117". Nature. 334 (6180): 325–327. Bibcode:1988Natur.334..325M. doi:10.1038/334325a0. S2CID 4366260.
Venturini, S.; Solomon, P. M. (2003). "The Molecular Disk in the Cloverleaf Quasar". The Astrophysical Journal. 590 (2): 740–745. arXiv:astro-ph/0210529. Bibcode:2003ApJ...590..740V. doi:10.1086/375050. S2CID 761080.
Inada, N.; et al. (2003). "A Gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds". Nature. 426 (6968): 810–812. arXiv:astro-ph/0312427. Bibcode:2003Natur.426..810I. doi:10.1038/nature02153. PMID 14685230. S2CID 4411894.
Oguri, M.; et al. (2004). "Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112". The Astrophysical Journal. 605 (1): 78–97. arXiv:astro-ph/0312429. Bibcode:2004ApJ...605...78O. doi:10.1086/382221. S2CID 15594674.
Inada, N.; et al. (2005). "Discovery of a Fifth Image of the Large Separation Gravitationally Lensed Quasar SDSS J1004+4112". Publications of the Astronomical Society of Japan. 57 (3): L7 – L10. arXiv:astro-ph/0503310. Bibcode:2005PASJ...57L...7I. doi:10.1093/pasj/57.3.L7.
Inada, Naohisa; et al. (2006). "SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22."5". The Astrophysical Journal. 653 (2): L97 – L100. arXiv:astro-ph/0611275. Bibcode:2006ApJ...653L..97I. doi:10.1086/510671. S2CID 7368712.
Oguri, Masamune; et al. (2008). "The Third Image of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 676 (1): L1 – L4. arXiv:0802.0002. Bibcode:2008ApJ...676L...1O. doi:10.1086/586897. S2CID 740758.
Kratzer, Rachael M; et al. (2011). "Analyzing the Flux Anomalies of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 728 (1): L18. arXiv:1008.2315. Bibcode:2011ApJ...728L..18K. doi:10.1088/2041-8205/728/1/L18. S2CID 119154857.
Dahle, H.; et al. (2013). "SDSS J2222+2745: A Gravitationally Lensed Sextuple Quasar with a Maximum Image Separation of 15.1″ Discovered in the Sloan Giant Arcs Survey". The Astrophysical Journal. 773 (2): 146. arXiv:1211.1091. Bibcode:2013ApJ...773..146D. doi:10.1088/0004-637X/773/2/146. S2CID 89604876.
Hennawi, Joseph F.; Prochaska, J. Xavier; Cantalupo, Sebastiano; Arrigoni-Battaia, Fabrizio (15 May 2015). "Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe". Science. 348 (6236): 779–783. arXiv:1505.03786. Bibcode:2015Sci...348..779H. doi:10.1126/science.aaa5397. PMID 25977547. S2CID 35281881.
Webster, A (1982). "The clustering of quasars from an objective-prism survey". Monthly Notices of the Royal Astronomical Society. 199 (3): 683–705. Bibcode:1982MNRAS.199..683W. doi:10.1093/mnras/199.3.683.
Clowes, Roger G.; Harris, Kathryn A.; Raghunathan, Srinivasan; Campusano, Luis E.; Soechting, Ilona K.; Graham, Matthew J. (2013). "A structure in the early universe at z ~ 1.3 that exceeds the homogeneity scale of the R-W concordance cosmology". Monthly Notices of the Royal Astronomical Society. 429 (4): 2910–2916. arXiv:1211.6256. Bibcode:2013MNRAS.429.2910C. doi:10.1093/mnras/sts497.
Collin, Suzy (2006). "Quasars and Galactic Nuclei, a Half-Century Agitated Story". AIP Conference Proceedings. 861: 587–595. arXiv:astro-ph/0604560. Bibcode:2006AIPC..861..587C. doi:10.1063/1.2399629. S2CID 14346374.
Porcas, R. W (1981). "Superluminal quasar 3C179 with double radio lobes". Nature. 294 (5836): 47–49. Bibcode:1981Natur.294...47P. doi:10.1038/294047a0. S2CID 4242168.
Matthew J. Graham; S. George Djorgovski; Daniel Stern; Eilat Glikman; Andrew J. Drake; Ashish A. Mahabal; Ciro Donalek; Steve Larson; Eric Christensen (25 July 2014). "A possible close supermassive black-hole binary in a quasar with optical periodicity". Nature. 518 (7537) (published 7 January 2015): 74–76. arXiv:1501.01375. Bibcode:2015Natur.518...74G. doi:10.1038/nature14143. PMID 25561176. S2CID 4459433.
Jiang, Linhua; Fan, Xiaohui; Brandt, W. N; Carilli, Chris L; Egami, Eiichi; Hines, Dean C; Kurk, Jaron D; Richards, Gordon T; Shen, Yue; Strauss, Michael A; Vestergaard, Marianne; Walter, Fabian (2010). "Dust-free quasars in the early Universe". Nature. 464 (7287): 380–383. arXiv:1003.3432. Bibcode:2010Natur.464..380J. doi:10.1038/nature08877. PMID 20237563. S2CID 4317805.
Shields, Gregory A. (June 1999). "A Brief History of Active Galactic Nuclei". Publications of the Astronomical Society of the Pacific. 111 (760): 661–678. arXiv:astro-ph/9903401. Bibcode:1999PASP..111..661S. doi:10.1086/316378. S2CID 18953602.; Shields, G. "A Brief History of AGN". nedwww.ipac.caltech.edu.
Illingworth, Garth (1999). "Galaxies at High Redshift". Astrophysics and Space Science. 269/270: 165–181. arXiv:astro-ph/0009187. Bibcode:1999Ap&SS.269..165I. doi:10.1023/A:1017052809781. S2CID 119363931.; Illingworth, G. "8. Z > 5 Galaxies". nedwww.ipac.caltech.edu.
Schneider, Donald P.; et al. (August 2005). "The Sloan Digital Sky Survey Quasar Catalog. III. Third Data Release". The Astronomical Journal. 130 (2): 367–380. arXiv:astro-ph/0503679. Bibcode:2005AJ....130..367S. doi:10.1086/431156. S2CID 21213675.
Willott, C. J.; et al. (2007). "Four Quasars above Redshift 6 Discovered by the Canada-France High-z Quasar Survey". The Astronomical Journal. 134 (6): 2435–2450. arXiv:0706.0914. Bibcode:2007AJ....134.2435W. doi:10.1086/522962. S2CID 9718805.
Bertoldi, F; et al. (2003). "High-excitation CO in a quasar host galaxy at z = 6.42". Astronomy & Astrophysics. 409 (3): L47 – L50. arXiv:astro-ph/0307408. Bibcode:2003A&A...409L..47B. doi:10.1051/0004-6361:20031345. S2CID 14799311.
Beelen, A.; et al. (2006). "350 Micron Dust Emission from High Redshift Quasars". The Astrophysical Journal. 642 (2): 694–701. arXiv:astro-ph/0603121. Bibcode:2006ApJ...642..694B. doi:10.1086/500636. S2CID 118902314.
White, Richard L.; Becker, Robert H.; Fan, Xiaohui; Strauss, Michael A. (July 2003). "Probing the Ionization State of the Universe at z > 6". The Astronomical Journal. 126 (1): 1–14. arXiv:astro-ph/0303476. Bibcode:2003AJ....126....1W. doi:10.1086/375547. S2CID 51505828.
Wang, Ran; et al. (2007). "Millimeter and Radio Observations of z~6 Quasars". The Astronomical Journal. 134 (2): 617–627. arXiv:0704.2053. Bibcode:2007AJ....134..617W. doi:10.1086/518867. S2CID 17334898.
Pentericci, L; et al. (2002). "VLT observations of the z = 6.28 quasar SDSS 1030+0524". The Astronomical Journal. 123 (5): 2151. arXiv:astro-ph/0112075. Bibcode:2002AJ....123.2151P. doi:10.1086/340077. S2CID 119041760.
Haiman, Zoltán; Cen, Renyue (2002). "A Constraint on the Gravitational Lensing Magnification and Age of the Redshift z = 6.28 Quasar SDSS 1030+0524". The Astrophysical Journal. 578 (2): 702–7. arXiv:astro-ph/0205143. Bibcode:2002ApJ...578..702H. doi:10.1086/342610. S2CID 12005897.
Farrah, D; Priddey, R; Wilman, R; Haehnelt, M; McMahon, R (2004). "The X-Ray Spectrum of the z = 6.30 QSO SDSS J1030+0524". The Astrophysical Journal. 611 (1): L13. arXiv:astro-ph/0406561. Bibcode:2004ApJ...611L..13F. doi:10.1086/423669. S2CID 14854831.
Fan, Xiaohui; et al. (December 2001). "A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ~ 6". The Astronomical Journal. 122 (6): 2833–2849. arXiv:astro-ph/0108063. Bibcode:2001AJ....122.2833F. doi:10.1086/324111. S2CID 119339804.
Bañados, Eduardo; et al. (6 December 2017). "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5". Nature. 553 (7689): 473–476. arXiv:1712.01860. Bibcode:2018Natur.553..473B. doi:10.1038/nature25180. PMID 29211709. S2CID 205263326.
Iye, Masanori; et al. (2006). "A galaxy at a redshift z = 6.96". Nature. 443 (7108): 186–8. arXiv:astro-ph/0609393. Bibcode:2006Natur.443..186I. doi:10.1038/nature05104. PMID 16971942. S2CID 2876103.
Hu, E. M.; et al. (5 March 2002). "A Redshift z = 6.56 Galaxy behind the Cluster Abell 370". The Astrophysical Journal Letters. 568 (2): L75 – L79. arXiv:astro-ph/0203091. Bibcode:2002ApJ...568L..75H. doi:10.1086/340424. S2CID 117047333.
Kodaira, K; et al. (2003). "The Discovery of Two Lyman α Emitters Beyond Redshift 6 in the Subaru Deep Field". Publications of the Astronomical Society of Japan. 55 (2): L17 – L21. arXiv:astro-ph/0301096. Bibcode:2003PASJ...55L..17K. doi:10.1093/pasj/55.2.L17.
Hu, Esther M.; McMahon, Richard G.; Cowie, Lennox L. (3 August 1999). "An Extremely Luminous Galaxy at z = 5.74". The Astrophysical Journal Letters. 522 (1): L9 – L12. arXiv:astro-ph/9907079. Bibcode:1999ApJ...522L...9H. doi:10.1086/312205. S2CID 119499546.
Stern, Daniel; et al. (20 March 2002). "Chandra Detection of a Type II Quasar at z = 3.288". The Astrophysical Journal. 568 (1): 71–81. arXiv:astro-ph/0111513. Bibcode:2002ApJ...568...71S. doi:10.1086/338886. S2CID 119014942.
Stern, Daniel; Spinrad, Hyron; Eisenhardt, Peter; Bunker, Andrew J.; Dawson, Steve; Stanford, S. A.; Elston, Richard (20 April 2000). "Discovery of a Color-selected Quasar at z = 5.50". The Astrophysical Journal. 533 (2): L75 – L78. arXiv:astro-ph/0002338. Bibcode:2000ApJ...533L..75S. doi:10.1086/312614. PMID 10770694. S2CID 28118881.
Fan, Xiaohui; et al. (January 2001). "High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample". The Astronomical Journal. 121 (1): 54–65. arXiv:astro-ph/0008123. Bibcode:2001AJ....121...54F. doi:10.1086/318033. S2CID 119373674.
Smith, J. D; et al. (1994). "Multicolor detection of high-redshift quasars, 2: Five objects with Z greater than or approximately equal to 4". The Astronomical Journal. 108: 1147. Bibcode:1994AJ....108.1147S. doi:10.1086/117143.
Hook, I. M; McMahon, R. G (1998). "Discovery of radio-loud quasars with z = 4.72 and z = 4.010". Monthly Notices of the Royal Astronomical Society. 294 (1): L7 – L12. arXiv:astro-ph/9801026. Bibcode:1998MNRAS.294L...7H. doi:10.1046/j.1365-8711.1998.01368.x.
Turner, Edwin L (1991). "Quasars and galaxy formation. I - the Z greater than 4 objects". The Astronomical Journal. 101: 5. Bibcode:1991AJ....101....5T. doi:10.1086/115663.
Cowie, Lennox L (1991). "Young Galaxies". Annals of the New York Academy of Sciences. 647 (1 Texas/ESO-Cer): 31–41. Bibcode:1991NYASA.647...31C. doi:10.1111/j.1749-6632.1991.tb32157.x. S2CID 222074763.
Warren, S. J; Hewett, P. C; Osmer, P. S; Irwin, M. J (1987). "Quasars of redshift z = 4.43 and z = 4.07 in the South Galactic Pole field". Nature. 330 (6147): 453. Bibcode:1987Natur.330..453W. doi:10.1038/330453a0. S2CID 4352819.
Levshakov, S. A (1989). "Absorption spectra of quasars". Astrophysics. 29 (2): 657–671. Bibcode:1988Ap.....29..657L. doi:10.1007/BF01005972. S2CID 122978350.
Schmidt, Maarten; Schneider, Donald P; Gunn, James E (1987). "PC 0910 + 5625 - an optically selected quasar with a redshift of 4.04". The Astrophysical Journal. 321: L7. Bibcode:1987ApJ...321L...7S. doi:10.1086/184996.
Warren, S. J.; Hewett, P. C.; Irwin, M. J.; McMahon, R. G.; Bridgeland, M. T.; Bunclark, P. S.; Kibblewhite, E. J. (8 January 1987). "First observation of a quasar with a redshift of 4". Nature. 325 (6100): 131–133. Bibcode:1987Natur.325..131W. doi:10.1038/325131a0. S2CID 4335291.; First observation of a quasar with a redshift of 4
Warren, S J; Hewett, P C (1 August 1990). "The detection of high-redshift quasars". Reports on Progress in Physics. 53 (8): 1095–1135. Bibcode:1990RPPh...53.1095W. doi:10.1088/0034-4885/53/8/003.
Bahcall, John N; Oke, J. B (1971). "Some Inferences from Spectrophotometry of Quasi-Stellar Sources". The Astrophysical Journal. 163: 235. Bibcode:1971ApJ...163..235B. doi:10.1086/150762.
Lynds, R; Wills, D (1970). "The Unusually Large Redshift of 4C 05.34". Nature. 226 (5245): 532. Bibcode:1970Natur.226..532L. doi:10.1038/226532a0. PMID 16057373.
Burbidge, Geoffrey (1968). "The Distribution of Redshifts in Quasi-Stellar Objects, N-Systems and Some Radio and Compact Galaxies". The Astrophysical Journal. 154: L41. Bibcode:1968ApJ...154L..41B. doi:10.1086/180265.
Burbidge, Geoffrey (1967). "On the Wavelengths of the Absorption Lines in Quasi-Stellar Objects". The Astrophysical Journal. 147: 851. Bibcode:1967ApJ...147..851B. doi:10.1086/149072.
Schmidt, Maarten (1965). "Large Redshifts of Five Quasi-Stellar Sources". The Astrophysical Journal. 141: 1295. Bibcode:1965ApJ...141.1295S. doi:10.1086/148217.
Schmidt, Maarten; Matthews, Thomas A (1964). "Redshift of the Quasi-Stellar Radio Sources 3c 47 and 3c 147". The Astrophysical Journal. 139: 781. Bibcode:1964ApJ...139..781S. doi:10.1086/147815.
Schneider, Donald P; Van Gorkom, J. H; Schmidt, Maarten; Gunn, James E (1992). "Radio properties of optically selected high-redshift quasars. I - VLA observations of 22 quasars at 6 CM". The Astronomical Journal. 103: 1451. Bibcode:1992AJ....103.1451S. doi:10.1086/116159.
Greenstein, Jesse L; Matthews, Thomas A (1963). "Red-Shift of the Unusual Radio Source: 3C 48". Nature. 197 (4872): 1041. Bibcode:1963Natur.197.1041G. doi:10.1038/1971041a0. S2CID 4193798.
Wolf, Christian; et al. (2018). "Discovery of the Most Ultra-Luminous QSO Using GAIA, Sky Mapper, and WISE". Publications of the Astronomical Society of Australia. 35: e024. arXiv:1805.04317. Bibcode:2018PASA...35...24W. doi:10.1017/pasa.2018.22. S2CID 55363916.
Bachev, R; Strigachev, A; Semkov, E (2005). "Short-term optical variability of high-redshift QSO's". Monthly Notices of the Royal Astronomical Society. 358 (3): 774–780. arXiv:astro-ph/0412149. Bibcode:2005MNRAS.358..774B. doi:10.1111/j.1365-2966.2005.08708.x. S2CID 16843880.
Kuhn, O; Bechtold, J; Cutri, R; Elvis, M; Rieke, M (1995). "The spectral energy distribution of the z = 3 quasar: HS 1946+7658". The Astrophysical Journal. 438: 643. Bibcode:1995ApJ...438..643K. doi:10.1086/175107.
Pâris, Isabelle; et al. (2012). "The Sloan Digital Sky Survey quasar catalog: Ninth data release". Astronomy & Astrophysics. 548: A66. arXiv:1210.5166. Bibcode:2012A&A...548A..66P. doi:10.1051/0004-6361/201220142. S2CID 119304969.
Stern, Jonathan; Hennawi, Joseph F; Pott, Jörg-Uwe (2015). "Spatially Resolving the Kinematics of the <100 μas Quasar Broad Line Region using Spectroastrometry". The Astrophysical Journal. 804 (1): 57. arXiv:1502.07767. Bibcode:2015ApJ...804...57S. doi:10.1088/0004-637X/804/1/57. S2CID 118482601.
Eisenhardt, Peter R. M; et al. (2012). "The First Hyper-Luminous Infrared Galaxy Discovered by WISE". The Astrophysical Journal. 755 (2): 173. arXiv:1208.5517. Bibcode:2012ApJ...755..173E. doi:10.1088/0004-637X/755/2/173. S2CID 35487945.
Wu, Xue-Bing; et al. (2015). "An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30". Nature. 518 (7540): 512–515. arXiv:1502.07418. Bibcode:2015Natur.518..512W. doi:10.1038/nature14241. PMID 25719667. S2CID 4455954.
Stepanian, J. A.; Green, R. F.; Foltz, C. B.; Chaffee, F.; Chavushyan, V. H.; Lipovetsky, V. A.; Erastova, L. K. (December 2001). "Spectroscopy and Photometry of Stellar Objects from the Second Byurakan Survey". The Astronomical Journal. 122 (6): 3361–3382. Bibcode:2001AJ....122.3361S. doi:10.1086/324460.
Onken, Christopher A.; Lai, Samuel; Wolf, Christian; Lucy, Adrian B.; Hon, Wei Jeat; Tisserand, Patrick; Sokoloski, Jennifer L.; Luna, Gerardo J. M.; Manick, Rajeev; Fan, Xiaohui; Bian, Fuyan (8 June 2022). "Discovery of the most luminous quasar of the last 9 Gyr". Publications of the Astronomical Society of Australia. 39. arXiv:2206.04204. Bibcode:2022PASA...39...37O. doi:10.1017/pasa.2022.36.
Schneider, Donald P; et al. (2010). "The Sloan Digital Sky Survey Quasar Catalog V. Seventh Data Release". The Astronomical Journal. 139 (6): 2360–2373. arXiv:1004.1167. Bibcode:2010AJ....139.2360S. doi:10.1088/0004-6256/139/6/2360. S2CID 118367130.
Schneider, Donald P.; et al. (July 2007). "The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release". The Astronomical Journal. 134 (1): 102–117. arXiv:0704.0806. Bibcode:2007AJ....134..102S. doi:10.1086/518474. S2CID 14359163.
Elvis, Martin; Matsuoka, M; Siemiginowska, A; Fiore, F; Mihara, T; Brinkmann, W (1994). "An ASCA GIS spectrum of S5 0014+813 AT z = 3.384". The Astrophysical Journal. 436: L55. Bibcode:1994ApJ...436L..55E. doi:10.1086/187631.
Wu, Xue-Bing; et al. (2010). "A very bright i=16.44 quasar in the 'redshift desert' discovered by LAMOST". Research in Astronomy and Astrophysics. 10 (8): 737. arXiv:1005.5499. Bibcode:2010RAA....10..737W. doi:10.1088/1674-4527/10/8/003. S2CID 118576463.

eso.org

European Southern Observatory. "Brightest and fastest-growing: astronomers identify record-breaking quasar". www.eso.org. Retrieved 19 February 2024.
Wolf, Christian; Lai, Samuel (21 December 2023). "The accretion of a solar mass per day by a 17-billion solar mass black hole" (PDF). www.eso.org. Retrieved 20 February 2024.

evolution-facts.org

The Origin of Matter Part 4

harvard.edu

ui.adsabs.harvard.edu

Magain, P.; Surdej, J.; Swings, J.-P.; Borgeest, U.; Kayser, R. (1988). "Discovery of a quadruply lensed quasar - The 'clover leaf' H1413 + 117". Nature. 334 (6180): 325–327. Bibcode:1988Natur.334..325M. doi:10.1038/334325a0. S2CID 4366260.
Venturini, S.; Solomon, P. M. (2003). "The Molecular Disk in the Cloverleaf Quasar". The Astrophysical Journal. 590 (2): 740–745. arXiv:astro-ph/0210529. Bibcode:2003ApJ...590..740V. doi:10.1086/375050. S2CID 761080.
Inada, N.; et al. (2003). "A Gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds". Nature. 426 (6968): 810–812. arXiv:astro-ph/0312427. Bibcode:2003Natur.426..810I. doi:10.1038/nature02153. PMID 14685230. S2CID 4411894.
Oguri, M.; et al. (2004). "Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112". The Astrophysical Journal. 605 (1): 78–97. arXiv:astro-ph/0312429. Bibcode:2004ApJ...605...78O. doi:10.1086/382221. S2CID 15594674.
Inada, N.; et al. (2005). "Discovery of a Fifth Image of the Large Separation Gravitationally Lensed Quasar SDSS J1004+4112". Publications of the Astronomical Society of Japan. 57 (3): L7 – L10. arXiv:astro-ph/0503310. Bibcode:2005PASJ...57L...7I. doi:10.1093/pasj/57.3.L7.
Inada, Naohisa; et al. (2006). "SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22."5". The Astrophysical Journal. 653 (2): L97 – L100. arXiv:astro-ph/0611275. Bibcode:2006ApJ...653L..97I. doi:10.1086/510671. S2CID 7368712.
Oguri, Masamune; et al. (2008). "The Third Image of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 676 (1): L1 – L4. arXiv:0802.0002. Bibcode:2008ApJ...676L...1O. doi:10.1086/586897. S2CID 740758.
Kratzer, Rachael M; et al. (2011). "Analyzing the Flux Anomalies of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 728 (1): L18. arXiv:1008.2315. Bibcode:2011ApJ...728L..18K. doi:10.1088/2041-8205/728/1/L18. S2CID 119154857.
Dahle, H.; et al. (2013). "SDSS J2222+2745: A Gravitationally Lensed Sextuple Quasar with a Maximum Image Separation of 15.1″ Discovered in the Sloan Giant Arcs Survey". The Astrophysical Journal. 773 (2): 146. arXiv:1211.1091. Bibcode:2013ApJ...773..146D. doi:10.1088/0004-637X/773/2/146. S2CID 89604876.
Burke, Bernard F. (1986). "Gravitational lenses - Observations". Quasars, Proceedings of the IAU Symposium, Bangalore, India, 2–6 December 1985. Vol. 119. D. Reidel Publishing Co. p. 517. Bibcode:1986IAUS..119..517B.
Hennawi, Joseph F.; Prochaska, J. Xavier; Cantalupo, Sebastiano; Arrigoni-Battaia, Fabrizio (15 May 2015). "Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe". Science. 348 (6236): 779–783. arXiv:1505.03786. Bibcode:2015Sci...348..779H. doi:10.1126/science.aaa5397. PMID 25977547. S2CID 35281881.
Webster, A (1982). "The clustering of quasars from an objective-prism survey". Monthly Notices of the Royal Astronomical Society. 199 (3): 683–705. Bibcode:1982MNRAS.199..683W. doi:10.1093/mnras/199.3.683.
Clowes, Roger (2001). "Large Quasar Groups - A Short Review". In Clowes, Roger; Adamson, Andrew; Bromage, Gordon (eds.). The new era of wide field astronomy : proceedings of a conference held at the Centre for Astrophysics, University of Central Lancashire, Preston, United Kingdom, 21-24 August 2000. Vol. 232. Astronomical Society of the Pacific. p. 108. Bibcode:2001ASPC..232..108C. ISBN 1-58381-065-X. {{cite book}}: |journal= ignored (help)
Clowes, Roger G.; Harris, Kathryn A.; Raghunathan, Srinivasan; Campusano, Luis E.; Soechting, Ilona K.; Graham, Matthew J. (2013). "A structure in the early universe at z ~ 1.3 that exceeds the homogeneity scale of the R-W concordance cosmology". Monthly Notices of the Royal Astronomical Society. 429 (4): 2910–2916. arXiv:1211.6256. Bibcode:2013MNRAS.429.2910C. doi:10.1093/mnras/sts497.
Unwin, Stephen C. (1987). "Superluminal motion in the quasar 3C279". Superluminal radio sources; Proceedings of the Workshop, Pasadena, Calif., 28–30 October 1986. Cambridge University Press. pp. 34–39. Bibcode:1987slrs.work...34U.
Preuss, E. (2002). "The Beginnings of VLBI at the 100-m Radio Telescope". In E. Ros; R. W. Porcas; A. P. Lobanov; J. A. Zensus (eds.). 6th European VLBI Network Symposium on New Developments in VLBI Science and Technology, held in Bonn, 25–28 June 25 2002. Max-Planck-Institut für Radioastronomie. p. 1. Bibcode:2002evn..conf....1P. {{cite book}}: |journal= ignored (help)
Collin, Suzy (2006). "Quasars and Galactic Nuclei, a Half-Century Agitated Story". AIP Conference Proceedings. 861: 587–595. arXiv:astro-ph/0604560. Bibcode:2006AIPC..861..587C. doi:10.1063/1.2399629. S2CID 14346374.
Porcas, R. W (1981). "Superluminal quasar 3C179 with double radio lobes". Nature. 294 (5836): 47–49. Bibcode:1981Natur.294...47P. doi:10.1038/294047a0. S2CID 4242168.
Matthew J. Graham; S. George Djorgovski; Daniel Stern; Eilat Glikman; Andrew J. Drake; Ashish A. Mahabal; Ciro Donalek; Steve Larson; Eric Christensen (25 July 2014). "A possible close supermassive black-hole binary in a quasar with optical periodicity". Nature. 518 (7537) (published 7 January 2015): 74–76. arXiv:1501.01375. Bibcode:2015Natur.518...74G. doi:10.1038/nature14143. PMID 25561176. S2CID 4459433.
Jiang, Linhua; Fan, Xiaohui; Brandt, W. N; Carilli, Chris L; Egami, Eiichi; Hines, Dean C; Kurk, Jaron D; Richards, Gordon T; Shen, Yue; Strauss, Michael A; Vestergaard, Marianne; Walter, Fabian (2010). "Dust-free quasars in the early Universe". Nature. 464 (7287): 380–383. arXiv:1003.3432. Bibcode:2010Natur.464..380J. doi:10.1038/nature08877. PMID 20237563. S2CID 4317805.
Shields, Gregory A. (June 1999). "A Brief History of Active Galactic Nuclei". Publications of the Astronomical Society of the Pacific. 111 (760): 661–678. arXiv:astro-ph/9903401. Bibcode:1999PASP..111..661S. doi:10.1086/316378. S2CID 18953602.; Shields, G. "A Brief History of AGN". nedwww.ipac.caltech.edu.
Illingworth, Garth (1999). "Galaxies at High Redshift". Astrophysics and Space Science. 269/270: 165–181. arXiv:astro-ph/0009187. Bibcode:1999Ap&SS.269..165I. doi:10.1023/A:1017052809781. S2CID 119363931.; Illingworth, G. "8. Z > 5 Galaxies". nedwww.ipac.caltech.edu.
Schneider, Donald P.; et al. (August 2005). "The Sloan Digital Sky Survey Quasar Catalog. III. Third Data Release". The Astronomical Journal. 130 (2): 367–380. arXiv:astro-ph/0503679. Bibcode:2005AJ....130..367S. doi:10.1086/431156. S2CID 21213675.
Willott, C. J.; et al. (2007). "Four Quasars above Redshift 6 Discovered by the Canada-France High-z Quasar Survey". The Astronomical Journal. 134 (6): 2435–2450. arXiv:0706.0914. Bibcode:2007AJ....134.2435W. doi:10.1086/522962. S2CID 9718805.
Bertoldi, F; et al. (2003). "High-excitation CO in a quasar host galaxy at z = 6.42". Astronomy & Astrophysics. 409 (3): L47 – L50. arXiv:astro-ph/0307408. Bibcode:2003A&A...409L..47B. doi:10.1051/0004-6361:20031345. S2CID 14799311.
Beelen, A.; et al. (2006). "350 Micron Dust Emission from High Redshift Quasars". The Astrophysical Journal. 642 (2): 694–701. arXiv:astro-ph/0603121. Bibcode:2006ApJ...642..694B. doi:10.1086/500636. S2CID 118902314.
White, Richard L.; Becker, Robert H.; Fan, Xiaohui; Strauss, Michael A. (July 2003). "Probing the Ionization State of the Universe at z > 6". The Astronomical Journal. 126 (1): 1–14. arXiv:astro-ph/0303476. Bibcode:2003AJ....126....1W. doi:10.1086/375547. S2CID 51505828.
Wang, Ran; et al. (2007). "Millimeter and Radio Observations of z~6 Quasars". The Astronomical Journal. 134 (2): 617–627. arXiv:0704.2053. Bibcode:2007AJ....134..617W. doi:10.1086/518867. S2CID 17334898.
Pentericci, L; et al. (2002). "VLT observations of the z = 6.28 quasar SDSS 1030+0524". The Astronomical Journal. 123 (5): 2151. arXiv:astro-ph/0112075. Bibcode:2002AJ....123.2151P. doi:10.1086/340077. S2CID 119041760.
Haiman, Zoltán; Cen, Renyue (2002). "A Constraint on the Gravitational Lensing Magnification and Age of the Redshift z = 6.28 Quasar SDSS 1030+0524". The Astrophysical Journal. 578 (2): 702–7. arXiv:astro-ph/0205143. Bibcode:2002ApJ...578..702H. doi:10.1086/342610. S2CID 12005897.
Farrah, D; Priddey, R; Wilman, R; Haehnelt, M; McMahon, R (2004). "The X-Ray Spectrum of the z = 6.30 QSO SDSS J1030+0524". The Astrophysical Journal. 611 (1): L13. arXiv:astro-ph/0406561. Bibcode:2004ApJ...611L..13F. doi:10.1086/423669. S2CID 14854831.
Fan, Xiaohui; et al. (December 2001). "A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ~ 6". The Astronomical Journal. 122 (6): 2833–2849. arXiv:astro-ph/0108063. Bibcode:2001AJ....122.2833F. doi:10.1086/324111. S2CID 119339804.
Bañados, Eduardo; et al. (6 December 2017). "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5". Nature. 553 (7689): 473–476. arXiv:1712.01860. Bibcode:2018Natur.553..473B. doi:10.1038/nature25180. PMID 29211709. S2CID 205263326.
Iye, Masanori; et al. (2006). "A galaxy at a redshift z = 6.96". Nature. 443 (7108): 186–8. arXiv:astro-ph/0609393. Bibcode:2006Natur.443..186I. doi:10.1038/nature05104. PMID 16971942. S2CID 2876103.
Hu, E. M.; et al. (5 March 2002). "A Redshift z = 6.56 Galaxy behind the Cluster Abell 370". The Astrophysical Journal Letters. 568 (2): L75 – L79. arXiv:astro-ph/0203091. Bibcode:2002ApJ...568L..75H. doi:10.1086/340424. S2CID 117047333.
Kodaira, K; et al. (2003). "The Discovery of Two Lyman α Emitters Beyond Redshift 6 in the Subaru Deep Field". Publications of the Astronomical Society of Japan. 55 (2): L17 – L21. arXiv:astro-ph/0301096. Bibcode:2003PASJ...55L..17K. doi:10.1093/pasj/55.2.L17.
Hu, Esther M.; McMahon, Richard G.; Cowie, Lennox L. (3 August 1999). "An Extremely Luminous Galaxy at z = 5.74". The Astrophysical Journal Letters. 522 (1): L9 – L12. arXiv:astro-ph/9907079. Bibcode:1999ApJ...522L...9H. doi:10.1086/312205. S2CID 119499546.
Stern, Daniel; et al. (20 March 2002). "Chandra Detection of a Type II Quasar at z = 3.288". The Astrophysical Journal. 568 (1): 71–81. arXiv:astro-ph/0111513. Bibcode:2002ApJ...568...71S. doi:10.1086/338886. S2CID 119014942.
Stern, Daniel; Spinrad, Hyron; Eisenhardt, Peter; Bunker, Andrew J.; Dawson, Steve; Stanford, S. A.; Elston, Richard (20 April 2000). "Discovery of a Color-selected Quasar at z = 5.50". The Astrophysical Journal. 533 (2): L75 – L78. arXiv:astro-ph/0002338. Bibcode:2000ApJ...533L..75S. doi:10.1086/312614. PMID 10770694. S2CID 28118881.
Fan, Xiaohui; et al. (January 2001). "High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample". The Astronomical Journal. 121 (1): 54–65. arXiv:astro-ph/0008123. Bibcode:2001AJ....121...54F. doi:10.1086/318033. S2CID 119373674.
Smith, J. D; et al. (1994). "Multicolor detection of high-redshift quasars, 2: Five objects with Z greater than or approximately equal to 4". The Astronomical Journal. 108: 1147. Bibcode:1994AJ....108.1147S. doi:10.1086/117143.
Hook, I. M; McMahon, R. G (1998). "Discovery of radio-loud quasars with z = 4.72 and z = 4.010". Monthly Notices of the Royal Astronomical Society. 294 (1): L7 – L12. arXiv:astro-ph/9801026. Bibcode:1998MNRAS.294L...7H. doi:10.1046/j.1365-8711.1998.01368.x.
Turner, Edwin L (1991). "Quasars and galaxy formation. I - the Z greater than 4 objects". The Astronomical Journal. 101: 5. Bibcode:1991AJ....101....5T. doi:10.1086/115663.
Cowie, Lennox L (1991). "Young Galaxies". Annals of the New York Academy of Sciences. 647 (1 Texas/ESO-Cer): 31–41. Bibcode:1991NYASA.647...31C. doi:10.1111/j.1749-6632.1991.tb32157.x. S2CID 222074763.
Warren, S. J; Hewett, P. C; Osmer, P. S; Irwin, M. J (1987). "Quasars of redshift z = 4.43 and z = 4.07 in the South Galactic Pole field". Nature. 330 (6147): 453. Bibcode:1987Natur.330..453W. doi:10.1038/330453a0. S2CID 4352819.
Levshakov, S. A (1989). "Absorption spectra of quasars". Astrophysics. 29 (2): 657–671. Bibcode:1988Ap.....29..657L. doi:10.1007/BF01005972. S2CID 122978350.
Schmidt, Maarten; Schneider, Donald P; Gunn, James E (1987). "PC 0910 + 5625 - an optically selected quasar with a redshift of 4.04". The Astrophysical Journal. 321: L7. Bibcode:1987ApJ...321L...7S. doi:10.1086/184996.
Warren, S. J.; Hewett, P. C.; Irwin, M. J.; McMahon, R. G.; Bridgeland, M. T.; Bunclark, P. S.; Kibblewhite, E. J. (8 January 1987). "First observation of a quasar with a redshift of 4". Nature. 325 (6100): 131–133. Bibcode:1987Natur.325..131W. doi:10.1038/325131a0. S2CID 4335291.; First observation of a quasar with a redshift of 4
Warren, S J; Hewett, P C (1 August 1990). "The detection of high-redshift quasars". Reports on Progress in Physics. 53 (8): 1095–1135. Bibcode:1990RPPh...53.1095W. doi:10.1088/0034-4885/53/8/003.
Bahcall, John N; Oke, J. B (1971). "Some Inferences from Spectrophotometry of Quasi-Stellar Sources". The Astrophysical Journal. 163: 235. Bibcode:1971ApJ...163..235B. doi:10.1086/150762.
Lynds, R; Wills, D (1970). "The Unusually Large Redshift of 4C 05.34". Nature. 226 (5245): 532. Bibcode:1970Natur.226..532L. doi:10.1038/226532a0. PMID 16057373.
Burbidge, Geoffrey (1968). "The Distribution of Redshifts in Quasi-Stellar Objects, N-Systems and Some Radio and Compact Galaxies". The Astrophysical Journal. 154: L41. Bibcode:1968ApJ...154L..41B. doi:10.1086/180265.
Burbidge, Geoffrey (1967). "On the Wavelengths of the Absorption Lines in Quasi-Stellar Objects". The Astrophysical Journal. 147: 851. Bibcode:1967ApJ...147..851B. doi:10.1086/149072.
Schmidt, Maarten (1965). "Large Redshifts of Five Quasi-Stellar Sources". The Astrophysical Journal. 141: 1295. Bibcode:1965ApJ...141.1295S. doi:10.1086/148217.
Schmidt, Maarten; Matthews, Thomas A (1964). "Redshift of the Quasi-Stellar Radio Sources 3c 47 and 3c 147". The Astrophysical Journal. 139: 781. Bibcode:1964ApJ...139..781S. doi:10.1086/147815.
Schmidt, Maarten; Matthews, Thomas A. (1965). "Redshifts of the Quasi-Stellar Radio Sources 3c 47 and 3c 147". In Ivor Robinson; Alfred Schild; E.L. Schucking (eds.). Quasi-Stellar Sources and Gravitational Collapse, Proceedings of the 1st Texas Symposium on Relativistic Astrophysics. University of Chicago Press. p. 269. Bibcode:1965qssg.conf..269S.
Schneider, Donald P; Van Gorkom, J. H; Schmidt, Maarten; Gunn, James E (1992). "Radio properties of optically selected high-redshift quasars. I - VLA observations of 22 quasars at 6 CM". The Astronomical Journal. 103: 1451. Bibcode:1992AJ....103.1451S. doi:10.1086/116159.
Greenstein, Jesse L; Matthews, Thomas A (1963). "Red-Shift of the Unusual Radio Source: 3C 48". Nature. 197 (4872): 1041. Bibcode:1963Natur.197.1041G. doi:10.1038/1971041a0. S2CID 4193798.
"1961 May 12 meeting of the Royal Astronomical Society". The Observatory. 81: 113–118. 1961. Bibcode:1961Obs....81..113.
P., Varshni, Y. (March 1979). "No redshift in 3C 295". Bulletin of the American Astronomical Society. 11: 458. Bibcode:1979BAAS...11..458V.{{cite journal}}: CS1 maint: multiple names: authors list (link)
Wolf, Christian; et al. (2018). "Discovery of the Most Ultra-Luminous QSO Using GAIA, Sky Mapper, and WISE". Publications of the Astronomical Society of Australia. 35: e024. arXiv:1805.04317. Bibcode:2018PASA...35...24W. doi:10.1017/pasa.2018.22. S2CID 55363916.
Bachev, R; Strigachev, A; Semkov, E (2005). "Short-term optical variability of high-redshift QSO's". Monthly Notices of the Royal Astronomical Society. 358 (3): 774–780. arXiv:astro-ph/0412149. Bibcode:2005MNRAS.358..774B. doi:10.1111/j.1365-2966.2005.08708.x. S2CID 16843880.
Kuhn, O; Bechtold, J; Cutri, R; Elvis, M; Rieke, M (1995). "The spectral energy distribution of the z = 3 quasar: HS 1946+7658". The Astrophysical Journal. 438: 643. Bibcode:1995ApJ...438..643K. doi:10.1086/175107.
Pâris, Isabelle; et al. (2012). "The Sloan Digital Sky Survey quasar catalog: Ninth data release". Astronomy & Astrophysics. 548: A66. arXiv:1210.5166. Bibcode:2012A&A...548A..66P. doi:10.1051/0004-6361/201220142. S2CID 119304969.
Stern, Jonathan; Hennawi, Joseph F; Pott, Jörg-Uwe (2015). "Spatially Resolving the Kinematics of the <100 μas Quasar Broad Line Region using Spectroastrometry". The Astrophysical Journal. 804 (1): 57. arXiv:1502.07767. Bibcode:2015ApJ...804...57S. doi:10.1088/0004-637X/804/1/57. S2CID 118482601.
Eisenhardt, Peter R. M; et al. (2012). "The First Hyper-Luminous Infrared Galaxy Discovered by WISE". The Astrophysical Journal. 755 (2): 173. arXiv:1208.5517. Bibcode:2012ApJ...755..173E. doi:10.1088/0004-637X/755/2/173. S2CID 35487945.
Wu, Xue-Bing; et al. (2015). "An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30". Nature. 518 (7540): 512–515. arXiv:1502.07418. Bibcode:2015Natur.518..512W. doi:10.1038/nature14241. PMID 25719667. S2CID 4455954.
Stepanian, J. A.; Green, R. F.; Foltz, C. B.; Chaffee, F.; Chavushyan, V. H.; Lipovetsky, V. A.; Erastova, L. K. (December 2001). "Spectroscopy and Photometry of Stellar Objects from the Second Byurakan Survey". The Astronomical Journal. 122 (6): 3361–3382. Bibcode:2001AJ....122.3361S. doi:10.1086/324460.
Onken, Christopher A.; Lai, Samuel; Wolf, Christian; Lucy, Adrian B.; Hon, Wei Jeat; Tisserand, Patrick; Sokoloski, Jennifer L.; Luna, Gerardo J. M.; Manick, Rajeev; Fan, Xiaohui; Bian, Fuyan (8 June 2022). "Discovery of the most luminous quasar of the last 9 Gyr". Publications of the Astronomical Society of Australia. 39. arXiv:2206.04204. Bibcode:2022PASA...39...37O. doi:10.1017/pasa.2022.36.
Schneider, Donald P; et al. (2010). "The Sloan Digital Sky Survey Quasar Catalog V. Seventh Data Release". The Astronomical Journal. 139 (6): 2360–2373. arXiv:1004.1167. Bibcode:2010AJ....139.2360S. doi:10.1088/0004-6256/139/6/2360. S2CID 118367130.
Schneider, Donald P.; et al. (July 2007). "The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release". The Astronomical Journal. 134 (1): 102–117. arXiv:0704.0806. Bibcode:2007AJ....134..102S. doi:10.1086/518474. S2CID 14359163.
Elvis, Martin; Matsuoka, M; Siemiginowska, A; Fiore, F; Mihara, T; Brinkmann, W (1994). "An ASCA GIS spectrum of S5 0014+813 AT z = 3.384". The Astrophysical Journal. 436: L55. Bibcode:1994ApJ...436L..55E. doi:10.1086/187631.
Wu, Xue-Bing; et al. (2010). "A very bright i=16.44 quasar in the 'redshift desert' discovered by LAMOST". Research in Astronomy and Astrophysics. 10 (8): 737. arXiv:1005.5499. Bibcode:2010RAA....10..737W. doi:10.1088/1674-4527/10/8/003. S2CID 118576463.

simbad.harvard.edu

SIMBAD, Object query : QSO J1427+3312, QSO J1427+3312 -- Quasar
SIMBAD, Object query : 5C 02.56, 7C 105517.75+495540.95 -- Quasar
SIMBAD, Object query : Q1116+12, 4C 12.39 -- Quasar
SIMBAD, Object query : Q0106+01, 4C 01.02 -- Quasar

simbad4.cfa.harvard.edu

SIMBAD, Object query : QSO B1425+3326 Archived 2009-09-12 at the Wayback Machine, QSO J1427+3312 -- Quasar

hawaii.edu

cfht.hawaii.edu

CFH UHawaii, Astronomers find most distant black hole

indiatimes.com

timesofindia.indiatimes.com

"Most primitive supermassive black holes known 'discovered'". The Times of India. Press Trust of India. 19 March 2010. Retrieved 6 April 2010.

nasa.gov

apod.nasa.gov

"APOD: 2023 November 10 - UHZ1: Distant Galaxy and Black Hole". apod.nasa.gov. Retrieved 10 November 2023.

newscientist.com

New Scientist, Quasar jets and cosmic engines: Some galaxies spew out vast amounts of material into space at velocities close to that of light. Astronomers still don't know why, 16 March 1991
New Scientist, New record for Universe's most distant object, 17:19 14 March 2002
New Scientist, issue 1842, 10 October 1992, page 17, Science: Infant galaxy's light show
NewScientist, Quasar doubles help to fix the Hubble constant, 16 November 1991

nih.gov

pubmed.ncbi.nlm.nih.gov

Inada, N.; et al. (2003). "A Gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds". Nature. 426 (6968): 810–812. arXiv:astro-ph/0312427. Bibcode:2003Natur.426..810I. doi:10.1038/nature02153. PMID 14685230. S2CID 4411894.
Hennawi, Joseph F.; Prochaska, J. Xavier; Cantalupo, Sebastiano; Arrigoni-Battaia, Fabrizio (15 May 2015). "Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe". Science. 348 (6236): 779–783. arXiv:1505.03786. Bibcode:2015Sci...348..779H. doi:10.1126/science.aaa5397. PMID 25977547. S2CID 35281881.
Matthew J. Graham; S. George Djorgovski; Daniel Stern; Eilat Glikman; Andrew J. Drake; Ashish A. Mahabal; Ciro Donalek; Steve Larson; Eric Christensen (25 July 2014). "A possible close supermassive black-hole binary in a quasar with optical periodicity". Nature. 518 (7537) (published 7 January 2015): 74–76. arXiv:1501.01375. Bibcode:2015Natur.518...74G. doi:10.1038/nature14143. PMID 25561176. S2CID 4459433.
Jiang, Linhua; Fan, Xiaohui; Brandt, W. N; Carilli, Chris L; Egami, Eiichi; Hines, Dean C; Kurk, Jaron D; Richards, Gordon T; Shen, Yue; Strauss, Michael A; Vestergaard, Marianne; Walter, Fabian (2010). "Dust-free quasars in the early Universe". Nature. 464 (7287): 380–383. arXiv:1003.3432. Bibcode:2010Natur.464..380J. doi:10.1038/nature08877. PMID 20237563. S2CID 4317805.
Bañados, Eduardo; et al. (6 December 2017). "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5". Nature. 553 (7689): 473–476. arXiv:1712.01860. Bibcode:2018Natur.553..473B. doi:10.1038/nature25180. PMID 29211709. S2CID 205263326.
Iye, Masanori; et al. (2006). "A galaxy at a redshift z = 6.96". Nature. 443 (7108): 186–8. arXiv:astro-ph/0609393. Bibcode:2006Natur.443..186I. doi:10.1038/nature05104. PMID 16971942. S2CID 2876103.
Stern, Daniel; Spinrad, Hyron; Eisenhardt, Peter; Bunker, Andrew J.; Dawson, Steve; Stanford, S. A.; Elston, Richard (20 April 2000). "Discovery of a Color-selected Quasar at z = 5.50". The Astrophysical Journal. 533 (2): L75 – L78. arXiv:astro-ph/0002338. Bibcode:2000ApJ...533L..75S. doi:10.1086/312614. PMID 10770694. S2CID 28118881.
Lynds, R; Wills, D (1970). "The Unusually Large Redshift of 4C 05.34". Nature. 226 (5245): 532. Bibcode:1970Natur.226..532L. doi:10.1038/226532a0. PMID 16057373.
Wu, Xue-Bing; et al. (2015). "An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30". Nature. 518 (7540): 512–515. arXiv:1502.07418. Bibcode:2015Natur.518..512W. doi:10.1038/nature14241. PMID 25719667. S2CID 4455954.

noao.edu

NOAO Newsletter - NOAO Highlights - March 2000 - Number 61, The Most Distant Quasar Known

nytimes.com

Walter Sullivan (27 December 1983). "If Nothing Is Faster than Light, What's Going On?". The New York Times. p. C1.
Henry Fountain (15 December 1998). "Observatory: Finding Distant Quasars". The New York Times. p. F5.
John Noble Wilford (20 October 1988). "Peering Back in Time, Astronomers Glimpse Galaxies Aborning". The New York Times. p. F1.
John Noble Wilford (10 May 1988). "Astronomers Peer Deeper Into Cosmo". The New York Times. p. C1.

query.nytimes.com

The New York Times, Peering to Edge of Time, Scientists Are Astonished, 20 November 1989
The New York Times, Objects Detected in Universe May Be the Most Distant Ever Sighted, 14 January 1988

physorg.com

Radio astronomers detect 'baby quasar' near the edge of the visible Universe, 13:50 EST, 6 June 2008

princeton.edu

FermiLab Scientists of Sloan Digital Sky Survey Discover Most Distant Quasar Archived 2009-09-12 at the Wayback Machine 8 December 1998

psu.edu

science.psu.edu

"Discovery Announced of Two Most Distant Objects". PennState Eberly College of Science. 5 June 2001. Archived from the original on 21 November 2007.
"International Team of Astronomers Finds Most Distant Object". Science Journal. Vol. 17, no. 1. Eberly College of Science, PennState. Summer 2000. Archived from the original on 12 September 2009.
PennState Eberly College of Science, X-rays from the Most Distant Quasar Captured with the XMM-Newton Satellite Archived 2007-11-21 at the Wayback Machine, Dec 2000

reciprocalsystem.com

QUASARS - THREE YEARS LATER, 1974 Archived 2009-09-12 at the Wayback Machine

rstheory.com

library.rstheory.com

The Structure of the Physical Universe, Volume III - The Universe of Motion, CHAPTER 23 - Quasar Redshifts Archived 2008-06-19 at the Wayback Machine, by Dewey Bernard Larson, Library of Congress Catalog Card No. 79-88078, ISBN 0-913138-11-8, Copyright 1959, 1971, 1984
Quasars and Pulsars, Dewey Bernard Larson, (c) 1971; CHAPTER VIII - Quasars: The General Picture Archived 2008-06-19 at the Wayback Machine; LOC 75-158894

sciencedaily.com

ScienceDaily, "Quasar Observed in Six Separate Light Reflections", 7 August 2013
ScienceDaily, "Biggest Structure in Universe: Large Quasar Group Is 4 Billion Light Years Across", Royal Astronomical Society, 11 January 2013 (accessed 13 January 2013)

sciencenews.org

Maria Temming (18 January 2021), "The most ancient supermassive black hole is bafflingly big", Science News

scientificamerican.com

Scientific American, "Brilliant, but Distant: Most Far-Flung Known Quasar Offers Glimpse into Early Universe", John Matson, 29 June 2011

scientificcomputing.com

Scientific Computing, "Fast-growing Primitive Black Holes found in Distant Quasars " Archived 26 February 2012 at the Wayback Machine (accessed 4 April 2010)

sdss.org

SDSS, Early results from the Sloan Digital Sky Survey: From under our nose to the edge of the universe, June 2001
SDSS 98-3 Scientists of Sloan Digital Sky Survey Discover Most Distant Quasar Dec 1998

semanticscholar.org

api.semanticscholar.org

Magain, P.; Surdej, J.; Swings, J.-P.; Borgeest, U.; Kayser, R. (1988). "Discovery of a quadruply lensed quasar - The 'clover leaf' H1413 + 117". Nature. 334 (6180): 325–327. Bibcode:1988Natur.334..325M. doi:10.1038/334325a0. S2CID 4366260.
Venturini, S.; Solomon, P. M. (2003). "The Molecular Disk in the Cloverleaf Quasar". The Astrophysical Journal. 590 (2): 740–745. arXiv:astro-ph/0210529. Bibcode:2003ApJ...590..740V. doi:10.1086/375050. S2CID 761080.
Inada, N.; et al. (2003). "A Gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds". Nature. 426 (6968): 810–812. arXiv:astro-ph/0312427. Bibcode:2003Natur.426..810I. doi:10.1038/nature02153. PMID 14685230. S2CID 4411894.
Oguri, M.; et al. (2004). "Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112". The Astrophysical Journal. 605 (1): 78–97. arXiv:astro-ph/0312429. Bibcode:2004ApJ...605...78O. doi:10.1086/382221. S2CID 15594674.
Inada, Naohisa; et al. (2006). "SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22."5". The Astrophysical Journal. 653 (2): L97 – L100. arXiv:astro-ph/0611275. Bibcode:2006ApJ...653L..97I. doi:10.1086/510671. S2CID 7368712.
Oguri, Masamune; et al. (2008). "The Third Image of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 676 (1): L1 – L4. arXiv:0802.0002. Bibcode:2008ApJ...676L...1O. doi:10.1086/586897. S2CID 740758.
Kratzer, Rachael M; et al. (2011). "Analyzing the Flux Anomalies of the Large-Separation Lensed Quasar SDSS J1029+2623". The Astrophysical Journal. 728 (1): L18. arXiv:1008.2315. Bibcode:2011ApJ...728L..18K. doi:10.1088/2041-8205/728/1/L18. S2CID 119154857.
Dahle, H.; et al. (2013). "SDSS J2222+2745: A Gravitationally Lensed Sextuple Quasar with a Maximum Image Separation of 15.1″ Discovered in the Sloan Giant Arcs Survey". The Astrophysical Journal. 773 (2): 146. arXiv:1211.1091. Bibcode:2013ApJ...773..146D. doi:10.1088/0004-637X/773/2/146. S2CID 89604876.
Hennawi, Joseph F.; Prochaska, J. Xavier; Cantalupo, Sebastiano; Arrigoni-Battaia, Fabrizio (15 May 2015). "Quasar Quartet Embedded in Giant Nebula Reveals Rare Massive Structure in Distant Universe". Science. 348 (6236): 779–783. arXiv:1505.03786. Bibcode:2015Sci...348..779H. doi:10.1126/science.aaa5397. PMID 25977547. S2CID 35281881.
Collin, Suzy (2006). "Quasars and Galactic Nuclei, a Half-Century Agitated Story". AIP Conference Proceedings. 861: 587–595. arXiv:astro-ph/0604560. Bibcode:2006AIPC..861..587C. doi:10.1063/1.2399629. S2CID 14346374.
Porcas, R. W (1981). "Superluminal quasar 3C179 with double radio lobes". Nature. 294 (5836): 47–49. Bibcode:1981Natur.294...47P. doi:10.1038/294047a0. S2CID 4242168.
Matthew J. Graham; S. George Djorgovski; Daniel Stern; Eilat Glikman; Andrew J. Drake; Ashish A. Mahabal; Ciro Donalek; Steve Larson; Eric Christensen (25 July 2014). "A possible close supermassive black-hole binary in a quasar with optical periodicity". Nature. 518 (7537) (published 7 January 2015): 74–76. arXiv:1501.01375. Bibcode:2015Natur.518...74G. doi:10.1038/nature14143. PMID 25561176. S2CID 4459433.
Jiang, Linhua; Fan, Xiaohui; Brandt, W. N; Carilli, Chris L; Egami, Eiichi; Hines, Dean C; Kurk, Jaron D; Richards, Gordon T; Shen, Yue; Strauss, Michael A; Vestergaard, Marianne; Walter, Fabian (2010). "Dust-free quasars in the early Universe". Nature. 464 (7287): 380–383. arXiv:1003.3432. Bibcode:2010Natur.464..380J. doi:10.1038/nature08877. PMID 20237563. S2CID 4317805.
Shields, Gregory A. (June 1999). "A Brief History of Active Galactic Nuclei". Publications of the Astronomical Society of the Pacific. 111 (760): 661–678. arXiv:astro-ph/9903401. Bibcode:1999PASP..111..661S. doi:10.1086/316378. S2CID 18953602.; Shields, G. "A Brief History of AGN". nedwww.ipac.caltech.edu.
Illingworth, Garth (1999). "Galaxies at High Redshift". Astrophysics and Space Science. 269/270: 165–181. arXiv:astro-ph/0009187. Bibcode:1999Ap&SS.269..165I. doi:10.1023/A:1017052809781. S2CID 119363931.; Illingworth, G. "8. Z > 5 Galaxies". nedwww.ipac.caltech.edu.
Schneider, Donald P.; et al. (August 2005). "The Sloan Digital Sky Survey Quasar Catalog. III. Third Data Release". The Astronomical Journal. 130 (2): 367–380. arXiv:astro-ph/0503679. Bibcode:2005AJ....130..367S. doi:10.1086/431156. S2CID 21213675.
Willott, C. J.; et al. (2007). "Four Quasars above Redshift 6 Discovered by the Canada-France High-z Quasar Survey". The Astronomical Journal. 134 (6): 2435–2450. arXiv:0706.0914. Bibcode:2007AJ....134.2435W. doi:10.1086/522962. S2CID 9718805.
Bertoldi, F; et al. (2003). "High-excitation CO in a quasar host galaxy at z = 6.42". Astronomy & Astrophysics. 409 (3): L47 – L50. arXiv:astro-ph/0307408. Bibcode:2003A&A...409L..47B. doi:10.1051/0004-6361:20031345. S2CID 14799311.
Beelen, A.; et al. (2006). "350 Micron Dust Emission from High Redshift Quasars". The Astrophysical Journal. 642 (2): 694–701. arXiv:astro-ph/0603121. Bibcode:2006ApJ...642..694B. doi:10.1086/500636. S2CID 118902314.
White, Richard L.; Becker, Robert H.; Fan, Xiaohui; Strauss, Michael A. (July 2003). "Probing the Ionization State of the Universe at z > 6". The Astronomical Journal. 126 (1): 1–14. arXiv:astro-ph/0303476. Bibcode:2003AJ....126....1W. doi:10.1086/375547. S2CID 51505828.
Wang, Ran; et al. (2007). "Millimeter and Radio Observations of z~6 Quasars". The Astronomical Journal. 134 (2): 617–627. arXiv:0704.2053. Bibcode:2007AJ....134..617W. doi:10.1086/518867. S2CID 17334898.
Pentericci, L; et al. (2002). "VLT observations of the z = 6.28 quasar SDSS 1030+0524". The Astronomical Journal. 123 (5): 2151. arXiv:astro-ph/0112075. Bibcode:2002AJ....123.2151P. doi:10.1086/340077. S2CID 119041760.
Haiman, Zoltán; Cen, Renyue (2002). "A Constraint on the Gravitational Lensing Magnification and Age of the Redshift z = 6.28 Quasar SDSS 1030+0524". The Astrophysical Journal. 578 (2): 702–7. arXiv:astro-ph/0205143. Bibcode:2002ApJ...578..702H. doi:10.1086/342610. S2CID 12005897.
Farrah, D; Priddey, R; Wilman, R; Haehnelt, M; McMahon, R (2004). "The X-Ray Spectrum of the z = 6.30 QSO SDSS J1030+0524". The Astrophysical Journal. 611 (1): L13. arXiv:astro-ph/0406561. Bibcode:2004ApJ...611L..13F. doi:10.1086/423669. S2CID 14854831.
Fan, Xiaohui; et al. (December 2001). "A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ~ 6". The Astronomical Journal. 122 (6): 2833–2849. arXiv:astro-ph/0108063. Bibcode:2001AJ....122.2833F. doi:10.1086/324111. S2CID 119339804.
Bañados, Eduardo; et al. (6 December 2017). "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5". Nature. 553 (7689): 473–476. arXiv:1712.01860. Bibcode:2018Natur.553..473B. doi:10.1038/nature25180. PMID 29211709. S2CID 205263326.
Iye, Masanori; et al. (2006). "A galaxy at a redshift z = 6.96". Nature. 443 (7108): 186–8. arXiv:astro-ph/0609393. Bibcode:2006Natur.443..186I. doi:10.1038/nature05104. PMID 16971942. S2CID 2876103.
Hu, E. M.; et al. (5 March 2002). "A Redshift z = 6.56 Galaxy behind the Cluster Abell 370". The Astrophysical Journal Letters. 568 (2): L75 – L79. arXiv:astro-ph/0203091. Bibcode:2002ApJ...568L..75H. doi:10.1086/340424. S2CID 117047333.
Hu, Esther M.; McMahon, Richard G.; Cowie, Lennox L. (3 August 1999). "An Extremely Luminous Galaxy at z = 5.74". The Astrophysical Journal Letters. 522 (1): L9 – L12. arXiv:astro-ph/9907079. Bibcode:1999ApJ...522L...9H. doi:10.1086/312205. S2CID 119499546.
Stern, Daniel; et al. (20 March 2002). "Chandra Detection of a Type II Quasar at z = 3.288". The Astrophysical Journal. 568 (1): 71–81. arXiv:astro-ph/0111513. Bibcode:2002ApJ...568...71S. doi:10.1086/338886. S2CID 119014942.
Stern, Daniel; Spinrad, Hyron; Eisenhardt, Peter; Bunker, Andrew J.; Dawson, Steve; Stanford, S. A.; Elston, Richard (20 April 2000). "Discovery of a Color-selected Quasar at z = 5.50". The Astrophysical Journal. 533 (2): L75 – L78. arXiv:astro-ph/0002338. Bibcode:2000ApJ...533L..75S. doi:10.1086/312614. PMID 10770694. S2CID 28118881.
Fan, Xiaohui; et al. (January 2001). "High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample". The Astronomical Journal. 121 (1): 54–65. arXiv:astro-ph/0008123. Bibcode:2001AJ....121...54F. doi:10.1086/318033. S2CID 119373674.
Cowie, Lennox L (1991). "Young Galaxies". Annals of the New York Academy of Sciences. 647 (1 Texas/ESO-Cer): 31–41. Bibcode:1991NYASA.647...31C. doi:10.1111/j.1749-6632.1991.tb32157.x. S2CID 222074763.
Warren, S. J; Hewett, P. C; Osmer, P. S; Irwin, M. J (1987). "Quasars of redshift z = 4.43 and z = 4.07 in the South Galactic Pole field". Nature. 330 (6147): 453. Bibcode:1987Natur.330..453W. doi:10.1038/330453a0. S2CID 4352819.
Levshakov, S. A (1989). "Absorption spectra of quasars". Astrophysics. 29 (2): 657–671. Bibcode:1988Ap.....29..657L. doi:10.1007/BF01005972. S2CID 122978350.
Warren, S. J.; Hewett, P. C.; Irwin, M. J.; McMahon, R. G.; Bridgeland, M. T.; Bunclark, P. S.; Kibblewhite, E. J. (8 January 1987). "First observation of a quasar with a redshift of 4". Nature. 325 (6100): 131–133. Bibcode:1987Natur.325..131W. doi:10.1038/325131a0. S2CID 4335291.; First observation of a quasar with a redshift of 4
Greenstein, Jesse L; Matthews, Thomas A (1963). "Red-Shift of the Unusual Radio Source: 3C 48". Nature. 197 (4872): 1041. Bibcode:1963Natur.197.1041G. doi:10.1038/1971041a0. S2CID 4193798.
Wolf, Christian; et al. (2018). "Discovery of the Most Ultra-Luminous QSO Using GAIA, Sky Mapper, and WISE". Publications of the Astronomical Society of Australia. 35: e024. arXiv:1805.04317. Bibcode:2018PASA...35...24W. doi:10.1017/pasa.2018.22. S2CID 55363916.
Bachev, R; Strigachev, A; Semkov, E (2005). "Short-term optical variability of high-redshift QSO's". Monthly Notices of the Royal Astronomical Society. 358 (3): 774–780. arXiv:astro-ph/0412149. Bibcode:2005MNRAS.358..774B. doi:10.1111/j.1365-2966.2005.08708.x. S2CID 16843880.
Pâris, Isabelle; et al. (2012). "The Sloan Digital Sky Survey quasar catalog: Ninth data release". Astronomy & Astrophysics. 548: A66. arXiv:1210.5166. Bibcode:2012A&A...548A..66P. doi:10.1051/0004-6361/201220142. S2CID 119304969.
Stern, Jonathan; Hennawi, Joseph F; Pott, Jörg-Uwe (2015). "Spatially Resolving the Kinematics of the <100 μas Quasar Broad Line Region using Spectroastrometry". The Astrophysical Journal. 804 (1): 57. arXiv:1502.07767. Bibcode:2015ApJ...804...57S. doi:10.1088/0004-637X/804/1/57. S2CID 118482601.
Eisenhardt, Peter R. M; et al. (2012). "The First Hyper-Luminous Infrared Galaxy Discovered by WISE". The Astrophysical Journal. 755 (2): 173. arXiv:1208.5517. Bibcode:2012ApJ...755..173E. doi:10.1088/0004-637X/755/2/173. S2CID 35487945.
Wu, Xue-Bing; et al. (2015). "An ultra-luminous quasar with a twelve-billion-solar-mass black hole at redshift 6.30". Nature. 518 (7540): 512–515. arXiv:1502.07418. Bibcode:2015Natur.518..512W. doi:10.1038/nature14241. PMID 25719667. S2CID 4455954.
Schneider, Donald P; et al. (2010). "The Sloan Digital Sky Survey Quasar Catalog V. Seventh Data Release". The Astronomical Journal. 139 (6): 2360–2373. arXiv:1004.1167. Bibcode:2010AJ....139.2360S. doi:10.1088/0004-6256/139/6/2360. S2CID 118367130.
Schneider, Donald P.; et al. (July 2007). "The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release". The Astronomical Journal. 134 (1): 102–117. arXiv:0704.0806. Bibcode:2007AJ....134..102S. doi:10.1086/518474. S2CID 14359163.
Wu, Xue-Bing; et al. (2010). "A very bright i=16.44 quasar in the 'redshift desert' discovered by LAMOST". Research in Astronomy and Astrophysics. 10 (8): 737. arXiv:1005.5499. Bibcode:2010RAA....10..737W. doi:10.1088/1674-4527/10/8/003. S2CID 118576463.

skyandtelescope.com

Robert Naeye (10 January 2007). "The First Triple Quasar". Sky & Telescope.
Alan MacRobert (7 July 2006). "Binary Quasar Is No Illusion". Sky & Telescope.

space.com

SPACE.com, Most Distant Object in Universe Comes Closer, 1 December 2000

spacedaily.com

Space Daily, "Astronomers Baffled by Discovery of Rare Quasar Quartet", 18 May 2015
SpaceDaily, "Extremely rare triple quasar found", 14 March 2013 (accessed 14 March 2013)

time.com

"Toward the Edge of the Universe". Time Magazine. 21 May 1965. Archived from the original on 20 February 2008.
"The Quasi-Quasars". Time. 18 June 1965. Archived from the original on 23 April 2008.
"X Rays from a Quasar". Time. 14 July 1967. Archived from the original on 15 December 2008.
"The Edge of Night". Time. 23 April 1973. Archived from the original on 14 December 2008.

u-strasbg.fr

simbad.u-strasbg.fr

SIMBAD, Object query : QSO 1548+115
SIMBAD, Object query : QSO 1146+111
SIMBAD, Object query : BSO 1, QSO B1246+377 -- Quasar
SIMBAD, "QSO J0303-0019" (accessed 4 April 2010)
SIMBAD, "QSO J0005-0006" (accessed 4 April 2010)
SIMBAD, Object query : SDSSp J033829.31+002156.3, QSO J0338+0021 -- Quasar
SIMBAD, Object query : PC 1158+4635, QSO B1158+4635 -- Quasar
SIMBAD, Object query : Q0000-26, QSO B0000-26 -- Quasar
SIMBAD, Object query : PC 0910+5625, QSO B0910+5625 -- Quasar
Warren, S. J.; Hewett, P. C.; Irwin, M. J.; McMahon, R. G.; Bridgeland, M. T.; Bunclark, P. S.; Kibblewhite, E. J. (8 January 1987). "First observation of a quasar with a redshift of 4". Nature. 325 (6100): 131–133. Bibcode:1987Natur.325..131W. doi:10.1038/325131a0. S2CID 4335291.; First observation of a quasar with a redshift of 4
SIMBAD, Object query : Q0046-293, QSO J0048-2903 -- Quasar
SIMBAD, Object query : Q1208+1011, QSO B1208+1011 -- Quasar
SIMBAD, Object query : PKS 2000-330, QSO J2003-3251 -- Quasar
SIMBAD, Object query : OQ172, QSO B1442+101 -- Quasar
SIMBAD, Object query : OH471, QSO B0642+449 -- Quasar
SIMBAD, Object query : QSO B0237-2321, QSO B0237-2321 -- Quasar

ua.edu

astr.ua.edu

The superluminal radio source in the gamma-ray blazar 3C 279

uni-muenchen.de

physik.uni-muenchen.de

Subir Sarkar (20 January 2021). "Re-examining cosmic acceleration" (PDF). Sommerfeld Theory Colloquium, Ludwig Maximilian University of Munich. p. 41.

uottawa.ca

science.uottawa.ca

CFHQS UOttawa, Canada-France High-z Quasar Survey Archived 2008-05-05 at the Wayback Machine

web.archive.org

"Toward the Edge of the Universe". Time Magazine. 21 May 1965. Archived from the original on 20 February 2008.
Daily Intelligencer, The May 29, 1981;
The Structure of the Physical Universe, Volume III - The Universe of Motion, CHAPTER 23 - Quasar Redshifts Archived 2008-06-19 at the Wayback Machine, by Dewey Bernard Larson, Library of Congress Catalog Card No. 79-88078, ISBN 0-913138-11-8, Copyright 1959, 1971, 1984
Quasars and Pulsars, Dewey Bernard Larson, (c) 1971; CHAPTER VIII - Quasars: The General Picture Archived 2008-06-19 at the Wayback Machine; LOC 75-158894
"The Quasi-Quasars". Time. 18 June 1965. Archived from the original on 23 April 2008.
"X Rays from a Quasar". Time. 14 July 1967. Archived from the original on 15 December 2008.
Scientific Computing, "Fast-growing Primitive Black Holes found in Distant Quasars " Archived 26 February 2012 at the Wayback Machine (accessed 4 April 2010)
Discovery.com Black Hole Is Most Distant Ever Found Archived 2008-06-16 at the Wayback Machine 7 June 2007
CFHQS UOttawa, Canada-France High-z Quasar Survey Archived 2008-05-05 at the Wayback Machine
"Discovery Announced of Two Most Distant Objects". PennState Eberly College of Science. 5 June 2001. Archived from the original on 21 November 2007.
SIMBAD, Object query : QSO B1425+3326 Archived 2009-09-12 at the Wayback Machine, QSO J1427+3312 -- Quasar
UW-Madison Astronomy, Confirmed High Redshift (z > 5.5) Galaxies - (Last Updated 10 February 2005) Archived 2007-06-18 at the Wayback Machine
"International Team of Astronomers Finds Most Distant Object". Science Journal. Vol. 17, no. 1. Eberly College of Science, PennState. Summer 2000. Archived from the original on 12 September 2009.
PennState Eberly College of Science, X-rays from the Most Distant Quasar Captured with the XMM-Newton Satellite Archived 2007-11-21 at the Wayback Machine, Dec 2000
FermiLab Scientists of Sloan Digital Sky Survey Discover Most Distant Quasar Archived 2009-09-12 at the Wayback Machine 8 December 1998
Orwell Astronomical Society (Ipswich) - OASI; Archived Astronomy News Items, 1972 - 1997 Archived 2009-09-12 at the Wayback Machine
QUASARS - THREE YEARS LATER, 1974 Archived 2009-09-12 at the Wayback Machine
"The Edge of Night". Time. 23 April 1973. Archived from the original on 14 December 2008.
Time Magazine, A Farther-Out Quasar, 7 April 1967
Time Magazine, The Man on the Mountain, Friday, Mar. 11, 1966

wisc.edu

astro.wisc.edu

UW-Madison Astronomy, Confirmed High Redshift (z > 5.5) Galaxies - (Last Updated 10 February 2005) Archived 2007-06-18 at the Wayback Machine