Yuan, W.; Macri, L. M.; Peterson, B. M.; Riess, A. G.; Fausnaugh, M. M.; Hoffmann, S. L.; Anand, G. S.; Bentz, M. C.; Dalla Bontà, E.; Davies, R. I.; De Rosa, G.; Ferrarese, L.; Grier, C. J.; Hicks, E. K. S.; Onken, C. A.; Pogge, R. W.; Storchi-Bergmann, T.; Vestergaard, M. The Cepheid Distance to the Narrow-line Seyfert 1 Galaxy NGC 4051. The Astrophysical Journal. 2021, 913 (1): 3. Bibcode:2021ApJ...913....3Y. S2CID 228375026. arXiv:2012.05931. doi:10.3847/1538-4357/abf24a.
Denney, K. D.; Watson, L. C.; Peterson, B. M.; Pogge, R. W.; Atlee, D. W.; Bentz, M. C.; Bird, J. C.; Brokofsky, D. J.; Comins, M. L.; Dietrich, M.; Doroshenko, V. T.; Eastman, J. D.; Efimov, Y. S.; Gaskell, C. M.; Hedrick, C. H.; Klimanov, S. A.; Klimek, E. S.; Kruse, A. K.; Lamb, J. B.; Leighly, K.; Minezaki, T.; Nazarov, S. V.; Petersen, E. A.; Peterson, P.; Poindexter, S.; Schlesinger, Y.; Sakata, K. J.; Sergeev, S. G.; Tobin, J. J.; et al. A revised broad-line region radius and black hole mass for the narrow-line Seyfert 1 NGC 4051. The Astrophysical Journal. 2009, 702 (2): 1353–1366. Bibcode:2009ApJ...702.1353D. S2CID 2528509. arXiv:0904.0251. doi:10.1088/0004-637X/702/2/1353.
Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-29]. ISSN 0004-6256. doi:10.1086/498708. (原始内容存档于2022-04-02).
Yuan, W.; Macri, L. M.; Peterson, B. M.; Riess, A. G.; Fausnaugh, M. M.; Hoffmann, S. L.; Anand, G. S.; Bentz, M. C.; Dalla Bontà, E.; Davies, R. I.; De Rosa, G.; Ferrarese, L.; Grier, C. J.; Hicks, E. K. S.; Onken, C. A.; Pogge, R. W.; Storchi-Bergmann, T.; Vestergaard, M. The Cepheid Distance to the Narrow-line Seyfert 1 Galaxy NGC 4051. The Astrophysical Journal. 2021, 913 (1): 3. Bibcode:2021ApJ...913....3Y. S2CID 228375026. arXiv:2012.05931. doi:10.3847/1538-4357/abf24a.
Denney, K. D.; Watson, L. C.; Peterson, B. M.; Pogge, R. W.; Atlee, D. W.; Bentz, M. C.; Bird, J. C.; Brokofsky, D. J.; Comins, M. L.; Dietrich, M.; Doroshenko, V. T.; Eastman, J. D.; Efimov, Y. S.; Gaskell, C. M.; Hedrick, C. H.; Klimanov, S. A.; Klimek, E. S.; Kruse, A. K.; Lamb, J. B.; Leighly, K.; Minezaki, T.; Nazarov, S. V.; Petersen, E. A.; Peterson, P.; Poindexter, S.; Schlesinger, Y.; Sakata, K. J.; Sergeev, S. G.; Tobin, J. J.; et al. A revised broad-line region radius and black hole mass for the narrow-line Seyfert 1 NGC 4051. The Astrophysical Journal. 2009, 702 (2): 1353–1366. Bibcode:2009ApJ...702.1353D. S2CID 2528509. arXiv:0904.0251. doi:10.1088/0004-637X/702/2/1353.
Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-29]. ISSN 0004-6256. doi:10.1086/498708. (原始内容存档于2022-04-02).
Yuan, W.; Macri, L. M.; Peterson, B. M.; Riess, A. G.; Fausnaugh, M. M.; Hoffmann, S. L.; Anand, G. S.; Bentz, M. C.; Dalla Bontà, E.; Davies, R. I.; De Rosa, G.; Ferrarese, L.; Grier, C. J.; Hicks, E. K. S.; Onken, C. A.; Pogge, R. W.; Storchi-Bergmann, T.; Vestergaard, M. The Cepheid Distance to the Narrow-line Seyfert 1 Galaxy NGC 4051. The Astrophysical Journal. 2021, 913 (1): 3. Bibcode:2021ApJ...913....3Y. S2CID 228375026. arXiv:2012.05931. doi:10.3847/1538-4357/abf24a.
Denney, K. D.; Watson, L. C.; Peterson, B. M.; Pogge, R. W.; Atlee, D. W.; Bentz, M. C.; Bird, J. C.; Brokofsky, D. J.; Comins, M. L.; Dietrich, M.; Doroshenko, V. T.; Eastman, J. D.; Efimov, Y. S.; Gaskell, C. M.; Hedrick, C. H.; Klimanov, S. A.; Klimek, E. S.; Kruse, A. K.; Lamb, J. B.; Leighly, K.; Minezaki, T.; Nazarov, S. V.; Petersen, E. A.; Peterson, P.; Poindexter, S.; Schlesinger, Y.; Sakata, K. J.; Sergeev, S. G.; Tobin, J. J.; et al. A revised broad-line region radius and black hole mass for the narrow-line Seyfert 1 NGC 4051. The Astrophysical Journal. 2009, 702 (2): 1353–1366. Bibcode:2009ApJ...702.1353D. S2CID 2528509. arXiv:0904.0251. doi:10.1088/0004-637X/702/2/1353.
P. Fouque, E. Gourgoulhon, P. Chamaraux, G. Paturel; Gourgoulhon; Chamaraux; Paturel. Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members. Astronomy and Astrophysics Supplement. 1992, 93: 211–233. Bibcode:1992A&AS...93..211F.
newscientist.com
Now you see it .... New Scientist. 1 August 1998, (2145): 23 [2022-06-29]. (原始内容存档于2022-06-29).
semanticscholar.org
api.semanticscholar.org
Yuan, W.; Macri, L. M.; Peterson, B. M.; Riess, A. G.; Fausnaugh, M. M.; Hoffmann, S. L.; Anand, G. S.; Bentz, M. C.; Dalla Bontà, E.; Davies, R. I.; De Rosa, G.; Ferrarese, L.; Grier, C. J.; Hicks, E. K. S.; Onken, C. A.; Pogge, R. W.; Storchi-Bergmann, T.; Vestergaard, M. The Cepheid Distance to the Narrow-line Seyfert 1 Galaxy NGC 4051. The Astrophysical Journal. 2021, 913 (1): 3. Bibcode:2021ApJ...913....3Y. S2CID 228375026. arXiv:2012.05931. doi:10.3847/1538-4357/abf24a.
Denney, K. D.; Watson, L. C.; Peterson, B. M.; Pogge, R. W.; Atlee, D. W.; Bentz, M. C.; Bird, J. C.; Brokofsky, D. J.; Comins, M. L.; Dietrich, M.; Doroshenko, V. T.; Eastman, J. D.; Efimov, Y. S.; Gaskell, C. M.; Hedrick, C. H.; Klimanov, S. A.; Klimek, E. S.; Kruse, A. K.; Lamb, J. B.; Leighly, K.; Minezaki, T.; Nazarov, S. V.; Petersen, E. A.; Peterson, P.; Poindexter, S.; Schlesinger, Y.; Sakata, K. J.; Sergeev, S. G.; Tobin, J. J.; et al. A revised broad-line region radius and black hole mass for the narrow-line Seyfert 1 NGC 4051. The Astrophysical Journal. 2009, 702 (2): 1353–1366. Bibcode:2009ApJ...702.1353D. S2CID 2528509. arXiv:0904.0251. doi:10.1088/0004-637X/702/2/1353.
Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-29]. ISSN 0004-6256. doi:10.1086/498708. (原始内容存档于2022-04-02).
Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. The Two Micron All Sky Survey (2MASS). The Astronomical Journal. 1 February 2006, 131: 1163–1183 [2022-06-29]. ISSN 0004-6256. doi:10.1086/498708. (原始内容存档于2022-04-02).