Cygnus (constelación) (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cygnus (constelación)" in Spanish language version.

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23harvard.edu

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17arxiv.org

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16doi.org

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13semanticscholar.org

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2illinois.edu

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aanda.org

Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (2012). «The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry». Astronomy and Astrophysics 544: A42. Bibcode:2012A&A...544A..42Z. S2CID 55509287. arXiv:1207.1850. doi:10.1051/0004-6361/201219587.

aavso.org

«Khi Cygni». AAVSO. Consultado el 23 de mayo de 2021.
«SS Cygni». AAVSO. Consultado el 23 de mayo de 2021.
«CI Cygni». AAVSO. Consultado el 23 de mayo de 2021.

arxiv.org

Richardson, N. D.; Morrison, N. D.; Kryukova, E. E.; Adelman, S. J. (2011). «A Five-year Spectroscopic and Photometric Campaign on the Prototypical α Cygni Variable and A-type Supergiant Star Deneb». The Astronomical Journal 141 (1): 17. Bibcode:2011AJ....141...17R. S2CID 118300333. arXiv:1009.5994. doi:10.1088/0004-6256/141/1/17.
Maíz Apellániz, J.; Alfaro, E. J.; Sota, A. (2008). «Accurate distances to nearby massive stars with the new reduction of the Hipparcos raw data». arXiv:0804.2553 [astro-ph].
Schiller, F.; Przybilla, N. (2008). «Quantitative spectroscopy of Deneb». Astronomy and Astrophysics 479 (3): 849-858. Bibcode:2008A&A...479..849S. S2CID 119225384. arXiv:0712.0040. doi:10.1051/0004-6361:20078590.
Piau, L. et al. (2011). «Surface convection and red giants radii measurements». Astronomy and Astrophysics 526: 12 pp. Bibcode:2011A&A...526A.100P. S2CID 118533297. arXiv:1010.3649. doi:10.1051/0004-6361/201014442.
Barstow, M. A. et al. (A 2001), «Resolving Sirius-like binaries with the Hubble Space Telescope», Monthly Notices of the Royal Astronomical Society 322 (4): 891-900, Bibcode:2001MNRAS.322..891B, S2CID 12232120, arXiv:astro-ph/0010645, doi:10.1046/j.1365-8711.2001.04203.x .
Holberg, J. B.; Oswalt, T. D.; Sion, E. M.; Barstow, M. A.; Burleigh, M. R. (2013). «Where are all the Sirius-like binary systems?». Monthly Notices of the Royal Astronomical Society 435 (3): 2077. Bibcode:2013MNRAS.435.2077H. S2CID 54551449. arXiv:1307.8047. doi:10.1093/mnras/stt1433.
Baines, Ellyn K.; Thomas Armstrong, J.; Clark, James H.; Gorney, Jim; Hutter, Donald J.; Jorgensen, Anders M.; Kyte, Casey; Mozurkewich, David; Nisley, Ishara; Sanborn, Jason; Schmitt, Henrique R. (2021). «Angular Diameters and Fundamental Parameters of Forty-four Stars from the Navy Precision Optical Interferometer». The Astronomical Journal 162 (5): 198. Bibcode:2021AJ....162..198B. ISSN 0004-6256. S2CID 238998021. arXiv:2211.09030. doi:10.3847/1538-3881/ac2431.
Kervella, P.; Mérand, A.; Pichon, B.; Thévenin, F.; Heiter, U.; Bigot, L.; Ten Brummelaar, T. A.; McAlister, H. A.; Ridgway, S. T.; Turner, N. (2008), «The radii of the nearby K5V and K7V stars 61 Cygni A & B. CHARA/FLUOR interferometry and CESAM2k modeling», Astronomy and Astrophysics 488 (2): 667-674, Bibcode:2008A&A...488..667K, S2CID 14830868, arXiv:0806.4049, doi:10.1051/0004-6361:200810080 .
McDonald, I. et al. (2012), «Fundamental Parameters and Infrared Excesses of Hipparcos Stars», Monthly Notices of the Royal Astronomical Society 427 (1): 343-57, Bibcode:2012MNRAS.427..343M, arXiv:1208.2037, doi:10.1111/j.1365-2966.2012.21873.x .
Rivet, J-P; Siciak, A.; de Almeida, E. S. G.; Vakili, F.; Domiciano de Souza, A.; Fouché, M.; Lai, O.; Vernet, D.; Kaiser, R.; Guerin, W. (2020). «Intensity interferometry of P Cygni in the H α emission line: Towards distance calibration of LBV supergiant stars». Monthly Notices of the Royal Astronomical Society 494: 218-227. Bibcode:2020MNRAS.494..218R. S2CID 204788654. arXiv:1910.08366. doi:10.1093/mnras/staa588.
Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (2012). «The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry». Astronomy and Astrophysics 544: A42. Bibcode:2012A&A...544A..42Z. S2CID 55509287. arXiv:1207.1850. doi:10.1051/0004-6361/201219587.
E. Plávalová; N. A. Solovaya (2012). «Analysis of the motion of an extrasolar planet in a binary system». Astronomy and Astrophysics 146: 108. Bibcode:2013AJ....146..108P. arXiv:1212.3843. doi:10.1088/0004-6256/146/5/108.
Wright, J. T. et al. (2009). «Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems». The Astrophysical Journal 693 (2): 1084-1099. Bibcode:2009ApJ...693.1084W. arXiv:0812.1582. doi:10.1088/0004-637X/693/2/1084.
Gaudi, B. Scott; Stassun, Keivan G.; Collins, Karen A.; Beatty, Thomas G. et al. (2017). «A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host». Nature 546 (7659): 514-518. Bibcode:2017Natur.546..514G. ISSN 1476-4687. PMID 28582774. S2CID 205256410. arXiv:1706.06723. doi:10.1038/nature22392. |fechaacceso= requiere |url= (ayuda)
Dalba, Paul A.; Kane, Stephen R.; Li, Zhexing et al. (2021). «Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit». The Astronomical Journal 162 (4): 154. Bibcode:2021AJ....162..154D. S2CID 235898945. arXiv:2107.06901. doi:10.3847/1538-3881/ac134b.
Boyajian, T. S.; LaCourse, D. M.; Rappaport, S. A. et al. (2016). «Planet Hunters IX. KIC 8462852 – where's the flux?». Monthly Notices of the Royal Astronomical Society 457 (4): 3988-4004. Bibcode:2016MNRAS.457.3988B. S2CID 54859232. arXiv:1509.03622. doi:10.1093/mnras/stw218.
Kharchenko, N. V. et al. (2005), «Astrophysical parameters of Galactic open clusters», Astronomy and Astrophysics 438 (3): 1163-1173, Bibcode:2005A&A...438.1163K, S2CID 9079873, arXiv:astro-ph/0501674, doi:10.1051/0004-6361:20042523. .

centauri-dreams.org

«Cygnus X-1: A Black Hole Confirmed». Centauri Dreams. 29 de noviembre de 2011. Consultado el 24 de mayo de 2021.

doi.org

dx.doi.org

Richardson, N. D.; Morrison, N. D.; Kryukova, E. E.; Adelman, S. J. (2011). «A Five-year Spectroscopic and Photometric Campaign on the Prototypical α Cygni Variable and A-type Supergiant Star Deneb». The Astronomical Journal 141 (1): 17. Bibcode:2011AJ....141...17R. S2CID 118300333. arXiv:1009.5994. doi:10.1088/0004-6256/141/1/17.
Schiller, F.; Przybilla, N. (2008). «Quantitative spectroscopy of Deneb». Astronomy and Astrophysics 479 (3): 849-858. Bibcode:2008A&A...479..849S. S2CID 119225384. arXiv:0712.0040. doi:10.1051/0004-6361:20078590.
Piau, L. et al. (2011). «Surface convection and red giants radii measurements». Astronomy and Astrophysics 526: 12 pp. Bibcode:2011A&A...526A.100P. S2CID 118533297. arXiv:1010.3649. doi:10.1051/0004-6361/201014442.
Barstow, M. A. et al. (A 2001), «Resolving Sirius-like binaries with the Hubble Space Telescope», Monthly Notices of the Royal Astronomical Society 322 (4): 891-900, Bibcode:2001MNRAS.322..891B, S2CID 12232120, arXiv:astro-ph/0010645, doi:10.1046/j.1365-8711.2001.04203.x .
Holberg, J. B.; Oswalt, T. D.; Sion, E. M.; Barstow, M. A.; Burleigh, M. R. (2013). «Where are all the Sirius-like binary systems?». Monthly Notices of the Royal Astronomical Society 435 (3): 2077. Bibcode:2013MNRAS.435.2077H. S2CID 54551449. arXiv:1307.8047. doi:10.1093/mnras/stt1433.
Baines, Ellyn K.; Thomas Armstrong, J.; Clark, James H.; Gorney, Jim; Hutter, Donald J.; Jorgensen, Anders M.; Kyte, Casey; Mozurkewich, David; Nisley, Ishara; Sanborn, Jason; Schmitt, Henrique R. (2021). «Angular Diameters and Fundamental Parameters of Forty-four Stars from the Navy Precision Optical Interferometer». The Astronomical Journal 162 (5): 198. Bibcode:2021AJ....162..198B. ISSN 0004-6256. S2CID 238998021. arXiv:2211.09030. doi:10.3847/1538-3881/ac2431.
Kervella, P.; Mérand, A.; Pichon, B.; Thévenin, F.; Heiter, U.; Bigot, L.; Ten Brummelaar, T. A.; McAlister, H. A.; Ridgway, S. T.; Turner, N. (2008), «The radii of the nearby K5V and K7V stars 61 Cygni A & B. CHARA/FLUOR interferometry and CESAM2k modeling», Astronomy and Astrophysics 488 (2): 667-674, Bibcode:2008A&A...488..667K, S2CID 14830868, arXiv:0806.4049, doi:10.1051/0004-6361:200810080 .
McDonald, I. et al. (2012), «Fundamental Parameters and Infrared Excesses of Hipparcos Stars», Monthly Notices of the Royal Astronomical Society 427 (1): 343-57, Bibcode:2012MNRAS.427..343M, arXiv:1208.2037, doi:10.1111/j.1365-2966.2012.21873.x .
Rivet, J-P; Siciak, A.; de Almeida, E. S. G.; Vakili, F.; Domiciano de Souza, A.; Fouché, M.; Lai, O.; Vernet, D.; Kaiser, R.; Guerin, W. (2020). «Intensity interferometry of P Cygni in the H α emission line: Towards distance calibration of LBV supergiant stars». Monthly Notices of the Royal Astronomical Society 494: 218-227. Bibcode:2020MNRAS.494..218R. S2CID 204788654. arXiv:1910.08366. doi:10.1093/mnras/staa588.
Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (2012). «The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry». Astronomy and Astrophysics 544: A42. Bibcode:2012A&A...544A..42Z. S2CID 55509287. arXiv:1207.1850. doi:10.1051/0004-6361/201219587.
E. Plávalová; N. A. Solovaya (2012). «Analysis of the motion of an extrasolar planet in a binary system». Astronomy and Astrophysics 146: 108. Bibcode:2013AJ....146..108P. arXiv:1212.3843. doi:10.1088/0004-6256/146/5/108.
Wright, J. T. et al. (2009). «Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems». The Astrophysical Journal 693 (2): 1084-1099. Bibcode:2009ApJ...693.1084W. arXiv:0812.1582. doi:10.1088/0004-637X/693/2/1084.
Gaudi, B. Scott; Stassun, Keivan G.; Collins, Karen A.; Beatty, Thomas G. et al. (2017). «A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host». Nature 546 (7659): 514-518. Bibcode:2017Natur.546..514G. ISSN 1476-4687. PMID 28582774. S2CID 205256410. arXiv:1706.06723. doi:10.1038/nature22392. |fechaacceso= requiere |url= (ayuda)
Dalba, Paul A.; Kane, Stephen R.; Li, Zhexing et al. (2021). «Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit». The Astronomical Journal 162 (4): 154. Bibcode:2021AJ....162..154D. S2CID 235898945. arXiv:2107.06901. doi:10.3847/1538-3881/ac134b.
Boyajian, T. S.; LaCourse, D. M.; Rappaport, S. A. et al. (2016). «Planet Hunters IX. KIC 8462852 – where's the flux?». Monthly Notices of the Royal Astronomical Society 457 (4): 3988-4004. Bibcode:2016MNRAS.457.3988B. S2CID 54859232. arXiv:1509.03622. doi:10.1093/mnras/stw218.
Kharchenko, N. V. et al. (2005), «Astrophysical parameters of Galactic open clusters», Astronomy and Astrophysics 438 (3): 1163-1173, Bibcode:2005A&A...438.1163K, S2CID 9079873, arXiv:astro-ph/0501674, doi:10.1051/0004-6361:20042523. .

harvard.edu

adsabs.harvard.edu

Richardson, N. D.; Morrison, N. D.; Kryukova, E. E.; Adelman, S. J. (2011). «A Five-year Spectroscopic and Photometric Campaign on the Prototypical α Cygni Variable and A-type Supergiant Star Deneb». The Astronomical Journal 141 (1): 17. Bibcode:2011AJ....141...17R. S2CID 118300333. arXiv:1009.5994. doi:10.1088/0004-6256/141/1/17.
Schiller, F.; Przybilla, N. (2008). «Quantitative spectroscopy of Deneb». Astronomy and Astrophysics 479 (3): 849-858. Bibcode:2008A&A...479..849S. S2CID 119225384. arXiv:0712.0040. doi:10.1051/0004-6361:20078590.
Piau, L. et al. (2011). «Surface convection and red giants radii measurements». Astronomy and Astrophysics 526: 12 pp. Bibcode:2011A&A...526A.100P. S2CID 118533297. arXiv:1010.3649. doi:10.1051/0004-6361/201014442.
Barstow, M. A. et al. (A 2001), «Resolving Sirius-like binaries with the Hubble Space Telescope», Monthly Notices of the Royal Astronomical Society 322 (4): 891-900, Bibcode:2001MNRAS.322..891B, S2CID 12232120, arXiv:astro-ph/0010645, doi:10.1046/j.1365-8711.2001.04203.x .
Holberg, J. B.; Oswalt, T. D.; Sion, E. M.; Barstow, M. A.; Burleigh, M. R. (2013). «Where are all the Sirius-like binary systems?». Monthly Notices of the Royal Astronomical Society 435 (3): 2077. Bibcode:2013MNRAS.435.2077H. S2CID 54551449. arXiv:1307.8047. doi:10.1093/mnras/stt1433.
Baines, Ellyn K.; Thomas Armstrong, J.; Clark, James H.; Gorney, Jim; Hutter, Donald J.; Jorgensen, Anders M.; Kyte, Casey; Mozurkewich, David; Nisley, Ishara; Sanborn, Jason; Schmitt, Henrique R. (2021). «Angular Diameters and Fundamental Parameters of Forty-four Stars from the Navy Precision Optical Interferometer». The Astronomical Journal 162 (5): 198. Bibcode:2021AJ....162..198B. ISSN 0004-6256. S2CID 238998021. arXiv:2211.09030. doi:10.3847/1538-3881/ac2431.
Kervella, P.; Mérand, A.; Pichon, B.; Thévenin, F.; Heiter, U.; Bigot, L.; Ten Brummelaar, T. A.; McAlister, H. A.; Ridgway, S. T.; Turner, N. (2008), «The radii of the nearby K5V and K7V stars 61 Cygni A & B. CHARA/FLUOR interferometry and CESAM2k modeling», Astronomy and Astrophysics 488 (2): 667-674, Bibcode:2008A&A...488..667K, S2CID 14830868, arXiv:0806.4049, doi:10.1051/0004-6361:200810080 .
McDonald, I. et al. (2012), «Fundamental Parameters and Infrared Excesses of Hipparcos Stars», Monthly Notices of the Royal Astronomical Society 427 (1): 343-57, Bibcode:2012MNRAS.427..343M, arXiv:1208.2037, doi:10.1111/j.1365-2966.2012.21873.x .
Rivet, J-P; Siciak, A.; de Almeida, E. S. G.; Vakili, F.; Domiciano de Souza, A.; Fouché, M.; Lai, O.; Vernet, D.; Kaiser, R.; Guerin, W. (2020). «Intensity interferometry of P Cygni in the H α emission line: Towards distance calibration of LBV supergiant stars». Monthly Notices of the Royal Astronomical Society 494: 218-227. Bibcode:2020MNRAS.494..218R. S2CID 204788654. arXiv:1910.08366. doi:10.1093/mnras/staa588.
Zhang, B.; Reid, M. J.; Menten, K. M.; Zheng, X. W.; Brunthaler, A. (2012). «The distance and size of the red hypergiant NML Cygni from VLBA and VLA astrometry». Astronomy and Astrophysics 544: A42. Bibcode:2012A&A...544A..42Z. S2CID 55509287. arXiv:1207.1850. doi:10.1051/0004-6361/201219587.
Harrison, Thomas E.; McNamara, Bernard J.; Szkody, Paula; Gilliland, Ronald L. (2000). «The Spectroscopic and Astrometric Parallaxes of Three Dwarf Novae: The Nature of the Secondary Stars of U Geminorum, SS Aurigae, and SS Cygni». The Astronomical Journal 120 (5). pp. 2649-2660.
F. Tramper, S.M. Straal, D. Sanyal, H. Sana, A. de Koter, G. Gräfener, N. Langer, J.S. Vink, S.E. de Mink, L. Kaper (2015). «Massive stars on the verge of exploding: the properties of oxygen sequence Wolf-Rayet stars». Astronomy and Astrophysics 581. A110.
E. Plávalová; N. A. Solovaya (2012). «Analysis of the motion of an extrasolar planet in a binary system». Astronomy and Astrophysics 146: 108. Bibcode:2013AJ....146..108P. arXiv:1212.3843. doi:10.1088/0004-6256/146/5/108.
Wright, J. T. et al. (2009). «Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems». The Astrophysical Journal 693 (2): 1084-1099. Bibcode:2009ApJ...693.1084W. arXiv:0812.1582. doi:10.1088/0004-637X/693/2/1084.
Gaudi, B. Scott; Stassun, Keivan G.; Collins, Karen A.; Beatty, Thomas G. et al. (2017). «A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host». Nature 546 (7659): 514-518. Bibcode:2017Natur.546..514G. ISSN 1476-4687. PMID 28582774. S2CID 205256410. arXiv:1706.06723. doi:10.1038/nature22392. |fechaacceso= requiere |url= (ayuda)
Dalba, Paul A.; Kane, Stephen R.; Li, Zhexing et al. (2021). «Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Yr, Highly Eccentric Orbit». The Astronomical Journal 162 (4): 154. Bibcode:2021AJ....162..154D. S2CID 235898945. arXiv:2107.06901. doi:10.3847/1538-3881/ac134b.
Boyajian, T. S.; LaCourse, D. M.; Rappaport, S. A. et al. (2016). «Planet Hunters IX. KIC 8462852 – where's the flux?». Monthly Notices of the Royal Astronomical Society 457 (4): 3988-4004. Bibcode:2016MNRAS.457.3988B. S2CID 54859232. arXiv:1509.03622. doi:10.1093/mnras/stw218.
Kharchenko, N. V. et al. (2005), «Astrophysical parameters of Galactic open clusters», Astronomy and Astrophysics 438 (3): 1163-1173, Bibcode:2005A&A...438.1163K, S2CID 9079873, arXiv:astro-ph/0501674, doi:10.1051/0004-6361:20042523. .

ui.adsabs.harvard.edu

Abia, C.; de Laverny, P.; Romero-Gómez, M.; Figueras, F. (2022). «Characterisation of Galactic carbon stars and related stars from Gaia EDR3». Astronomy and Astrophysics 664 (A45): 14 pp. Consultado el 18 de mayo de 2023.
Crowther, Paul A.; Morris, P. W.; Smith, J. D. (2006). «An Ultraviolet to Mid-Infrared Study of the Physical and Wind Properties of HD 164270 (WC9) and Comparison to BD +30 3639 (WC9)». The Astrophysical Journal 636 (2). pp. 1033-1044.
Barría, D.; Kimeswenger, S. (2018). «HST/WFPC2 imaging analysis and cloudy modelling of the multiple-shell planetary nebulae NGC 3242, NGC 6826, and NGC 7662». Monthly Notices of the Royal Astronomical Society 480 (2): 1626-1638. Consultado el 3 de mayo de 2023.
Kothes, R.; Reich, W.; Safi-Harb, S.; Guest, B.; Reich, P.; Fürst, E. (2020). «A radio continuum and polarization study of the pulsar wind nebula CTB 87 (G74.9+1.2)». Monthly Notices of the Royal Astronomical Society 496 (1): 732-738. Consultado el 21 de septiembre de 2021.
Matheson, H.; Safi-Harb, S.; Kothes, R. (2013). «X-Ray Observations of the Supernova Remnant CTB 87 (G74.9+1.2): An Evolved Pulsar Wind Nebula». The Astrophysical Journal 774 (1): 10 pp. 33. Consultado el 21 de septiembre de 2021.

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iopscience.iop.org

Wright, J. T. et al. (2009). «Ten New and Updated Multi-planet Systems, and a Survey of Exoplanetary Systems». The Astrophysical Journal 693 (2): 1084-1099. Bibcode:2009ApJ...693.1084W. arXiv:0812.1582. doi:10.1088/0004-637X/693/2/1084.

issn.org

portal.issn.org

Baines, Ellyn K.; Thomas Armstrong, J.; Clark, James H.; Gorney, Jim; Hutter, Donald J.; Jorgensen, Anders M.; Kyte, Casey; Mozurkewich, David; Nisley, Ishara; Sanborn, Jason; Schmitt, Henrique R. (2021). «Angular Diameters and Fundamental Parameters of Forty-four Stars from the Navy Precision Optical Interferometer». The Astronomical Journal 162 (5): 198. Bibcode:2021AJ....162..198B. ISSN 0004-6256. S2CID 238998021. arXiv:2211.09030. doi:10.3847/1538-3881/ac2431.
Gaudi, B. Scott; Stassun, Keivan G.; Collins, Karen A.; Beatty, Thomas G. et al. (2017). «A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host». Nature 546 (7659): 514-518. Bibcode:2017Natur.546..514G. ISSN 1476-4687. PMID 28582774. S2CID 205256410. arXiv:1706.06723. doi:10.1038/nature22392. |fechaacceso= requiere |url= (ayuda)

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ntrs.nasa.gov

NASA (Febrero de 2009). Kepler: NASA's First Mission Capable of Finding Earth-Size Planets. NASA. Consultado el 14 de marzo de 2009.

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«The North America and Pelican Nebulae». APOD (NASA). 40 de junio de 2009. Consultado el 24 de mayo de 2021.

nature.com

Kulkarni, S.R. et al. (1988). «A fast pulsar in radio nebula CTB80». Nature 331: 50-53. Consultado el 1 de noviembre de 2021.

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Hartkopf, W. I.; Mason, Brian D. «Sixth Catalog of Orbits of Visual Binary Stars (WDS-ORB6)». Consultado el 22 de mayo de 2021.

nih.gov

ncbi.nlm.nih.gov

Gaudi, B. Scott; Stassun, Keivan G.; Collins, Karen A.; Beatty, Thomas G. et al. (2017). «A giant planet undergoing extreme-ultraviolet irradiation by its hot massive-star host». Nature 546 (7659): 514-518. Bibcode:2017Natur.546..514G. ISSN 1476-4687. PMID 28582774. S2CID 205256410. arXiv:1706.06723. doi:10.1038/nature22392. |fechaacceso= requiere |url= (ayuda)

seds.org

messier.seds.org

spider.seds.org

P Cygni (SEDS.org)

semanticscholar.org

api.semanticscholar.org

Richardson, N. D.; Morrison, N. D.; Kryukova, E. E.; Adelman, S. J. (2011). «A Five-year Spectroscopic and Photometric Campaign on the Prototypical α Cygni Variable and A-type Supergiant Star Deneb». The Astronomical Journal 141 (1): 17. Bibcode:2011AJ....141...17R. S2CID 118300333. arXiv:1009.5994. doi:10.1088/0004-6256/141/1/17.
Schiller, F.; Przybilla, N. (2008). «Quantitative spectroscopy of Deneb». Astronomy and Astrophysics 479 (3): 849-858. Bibcode:2008A&A...479..849S. S2CID 119225384. arXiv:0712.0040. doi:10.1051/0004-6361:20078590.
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R Cygni (General Catalogue of Variable Stars, Samus+ 2007-2017)
X Cygni (General Catalogue of Variable Stars, Samus+ 2007-2017)