References analysis of the Wikipedia article "NGC 3227" in the English version

arxiv.org

J. L. Tonry; A. Dressler; J. P. Blakeslee; E. A. Ajhar; et al. (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal. 546 (2): 681–693. arXiv:astro-ph/0011223. Bibcode:2001ApJ...546..681T. doi:10.1086/318301. S2CID 17628238.

L. C. Ho; A. V. Filippenko; W. L. W. Sargent (1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". Astrophysical Journal Supplement. 112 (2): 315–390. arXiv:astro-ph/9704107. Bibcode:1997ApJS..112..315H. doi:10.1086/313041. S2CID 17086638.

Graham, Alister W. (November 2008), "Populating the Galaxy Velocity Dispersion - Supermassive Black Hole Mass Diagram: A Catalogue of (Mbh, σ) Values", Publications of the Astronomical Society of Australia, 25 (4): 167–175, arXiv:0807.2549, Bibcode:2008PASA...25..167G, doi:10.1071/AS08013, S2CID 89905.

S. Komossa; H. Fink (1997). "Evidence for a dusty warm absorber in NGC 3227?". Astronomy and Astrophysics. 327: 483–492. arXiv:astro-ph/9707003. Bibcode:1997A&A...327..483K.

G. Lamer; P. Uttley; I. M. McHardy (2003). "An absorption event in the X-ray light curve of NGC 3227". Monthly Notices of the Royal Astronomical Society. 342 (3): L41–L45. arXiv:astro-ph/0305130. Bibcode:2003MNRAS.342L..41L. doi:10.1046/j.1365-8711.2003.06759.x. S2CID 16031703.

caltech.edu

nedipac.caltech.edu

doi.org

H. Arp (1966). "Atlas of Peculiar Galaxies". Astrophysical Journal Supplement. 14: 1–20. Bibcode:1966ApJS...14....1A. doi:10.1086/190147.

A. F. Tennant; R. F. Mushotzky (1983). "The absence of rapid X-ray variability in active galaxies". Astrophysical Journal. 264: 92–104. Bibcode:1983ApJ...264...92T. doi:10.1086/160576. hdl:2060/19820022328. S2CID 117087588.

T. J. Turner; K. A. Pounds (1989). "The EXOSAT spectral survey of AGN". Monthly Notices of the Royal Astronomical Society. 240 (4): 833–880. Bibcode:1989MNRAS.240..833T. doi:10.1093/mnras/240.4.833.

A. Ptak; T. Yaqoob; P. J. Serlemitsos; R. Mushotzky; et al. (1994). "Rapid X-ray spectral variability in NGC 3227" (PDF). Astrophysical Journal. 436: L31–L34. Bibcode:1994ApJ...436L..31P. doi:10.1086/187626.

P. Gondoin; A. Orr; D. Lumb; H. Siddiqui (2003). "XMM-Newton observations of the Seyfert 1 galaxy NGC 3227". Astronomy and Astrophysics. 397 (3): 883–890. Bibcode:2003A&A...397..883G. doi:10.1051/0004-6361:20021574.

harvard.edu

ui.adsabs.harvard.edu

H. Arp (1966). "Atlas of Peculiar Galaxies". Astrophysical Journal Supplement. 14: 1–20. Bibcode:1966ApJS...14....1A. doi:10.1086/190147.

S. Komossa; H. Fink (1997). "Evidence for a dusty warm absorber in NGC 3227?". Astronomy and Astrophysics. 327: 483–492. arXiv:astro-ph/9707003. Bibcode:1997A&A...327..483K.

cbat.eps.harvard.edu

semanticscholar.org

api.semanticscholar.org

NGC 3227 (English Wikipedia)

archive.today

arxiv.org

atlasoftheuniverse.com

caltech.edu

nedipac.caltech.edu

cern.ch

cds.cern.ch

doi.org

handle.net

hdl.handle.net

harvard.edu

ui.adsabs.harvard.edu

cbat.eps.harvard.edu

semanticscholar.org

api.semanticscholar.org

uchicago.edu

journals.uchicago.edu

wis-tns.org