Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. Near-Infrared and Optical Morphology of Spiral Galaxies. The Astrophysical Journal Supplement Series. November 2002, 143 (1): 73–111. Bibcode:2002ApJS..143...73E. S2CID 15491635. arXiv:astro-ph/0206320. doi:10.1086/342340.
Davis, Benjamin L.; Berrier, Joel C.; Johns, Lucas; Shields, Douglas W.; Hartley, Matthew T.; Kennefick, Daniel; Kennefick, Julia; Seigar, Marc S.; Lacy, Claud H. S. The Black Hole Mass Function Derived from Local Spiral Galaxies. The Astrophysical Journal. 20 June 2014, 789 (2): 124. Bibcode:2014ApJ...789..124D. S2CID 119302157. arXiv:1405.5876. doi:10.1088/0004-637X/789/2/124.
Seligman, Courtney. NGC 2280 (= PGC 19531). Celestial Atlas. [19 November 2018]. (原始内容存档于2018-10-14).
doi.org
Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. Near-Infrared and Optical Morphology of Spiral Galaxies. The Astrophysical Journal Supplement Series. November 2002, 143 (1): 73–111. Bibcode:2002ApJS..143...73E. S2CID 15491635. arXiv:astro-ph/0206320. doi:10.1086/342340.
Davis, Benjamin L.; Berrier, Joel C.; Johns, Lucas; Shields, Douglas W.; Hartley, Matthew T.; Kennefick, Daniel; Kennefick, Julia; Seigar, Marc S.; Lacy, Claud H. S. The Black Hole Mass Function Derived from Local Spiral Galaxies. The Astrophysical Journal. 20 June 2014, 789 (2): 124. Bibcode:2014ApJ...789..124D. S2CID 119302157. arXiv:1405.5876. doi:10.1088/0004-637X/789/2/124.
Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. Near-Infrared and Optical Morphology of Spiral Galaxies. The Astrophysical Journal Supplement Series. November 2002, 143 (1): 73–111. Bibcode:2002ApJS..143...73E. S2CID 15491635. arXiv:astro-ph/0206320. doi:10.1086/342340.
Davis, Benjamin L.; Berrier, Joel C.; Johns, Lucas; Shields, Douglas W.; Hartley, Matthew T.; Kennefick, Daniel; Kennefick, Julia; Seigar, Marc S.; Lacy, Claud H. S. The Black Hole Mass Function Derived from Local Spiral Galaxies. The Astrophysical Journal. 20 June 2014, 789 (2): 124. Bibcode:2014ApJ...789..124D. S2CID 119302157. arXiv:1405.5876. doi:10.1088/0004-637X/789/2/124.
Eskridge, Paul B.; Frogel, Jay A.; Pogge, Richard W.; Quillen, Alice C.; Berlind, Andreas A.; Davies, Roger L.; DePoy, D. L.; Gilbert, Karoline M.; Houdashelt, Mark L.; Kuchinski, Leslie E.; Ramirez, Solange V.; Sellgren, K.; Stutz, Amelia; Terndrup, Donald M.; Tiede, Glenn P. Near-Infrared and Optical Morphology of Spiral Galaxies. The Astrophysical Journal Supplement Series. November 2002, 143 (1): 73–111. Bibcode:2002ApJS..143...73E. S2CID 15491635. arXiv:astro-ph/0206320. doi:10.1086/342340.
Davis, Benjamin L.; Berrier, Joel C.; Johns, Lucas; Shields, Douglas W.; Hartley, Matthew T.; Kennefick, Daniel; Kennefick, Julia; Seigar, Marc S.; Lacy, Claud H. S. The Black Hole Mass Function Derived from Local Spiral Galaxies. The Astrophysical Journal. 20 June 2014, 789 (2): 124. Bibcode:2014ApJ...789..124D. S2CID 119302157. arXiv:1405.5876. doi:10.1088/0004-637X/789/2/124.