| IC 755 | |
|---|---|
 IC 755 captured by Hubble's Wide Field Camera | |
| Observation data (J2000 epoch) | |
| Constellation | Coma Berenices |
| Right ascension | 12 01 10.382 |
| Declination | +14° 06′ 16.25″ |
| Redshift | 0.00511 |
| Heliocentric radial velocity | 1528 km/s |
| Distance | 60.3 ± 4.9 Mly (18.5 ± 1.5 Mpc) |
| Group or cluster | Virgo Cluster |
| Apparent magnitude (B) | 13.9 |
| Characteristics | |
| Type | SBb? edge-on |
| Other designations | |
| NGC 4019, UGC 7001, MCG +02-31-014, PGC 37912 | |
IC 755, also known as NGC 4019, is a barred spiral galaxy. It lies about 60 million light-years away (18 Megaparsecs) in the northern constellation of Coma Berenices. It is a member of the Virgo Cluster.
In 1999 a star within IC 755 was seen to explode as a supernova and named SN 1999an. Supernovae like SN 1999an are classified as Type II and they are dramatic events that mark the end of the lives of massive stars. The supernova was discovered by the Beijing Astronomical Observatory Supernova Survey.
References
- "Edge-on Galaxy Hosts Supernova Explosion". Picture of the Week. ESA/Hubble. Archived from the original on 30 November 2016. Retrieved 18 July 2011.
- ^ 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. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
- ^ "IC 755". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-02.
- ^ Smartt, S. J.; Eldridge, J. J.; Crockett, R. M.; Maund, J. R. (2009). "The death of massive stars - I. Observational constraints on the progenitors of Type II-P supernovae". Monthly Notices of the Royal Astronomical Society. 395 (3): 1409–1437. arXiv:0809.0403. Bibcode:2009MNRAS.395.1409S. doi:10.1111/j.1365-2966.2009.14506.x. S2CID 3228766.
- ^ Kim, Suk; Rey, Soo-Chang; Jerjen, Helmut; Lisker, Thorsten; Sung, Eon-Chang; Lee, Youngdae; Chung, Jiwon; Pak, Mina; Yi, Wonhyeong; Lee, Woong (2014). "The Extended Virgo Cluster Catalog". The Astrophysical Journal Supplement Series. 215 (2): 22. arXiv:1409.3283. Bibcode:2014ApJS..215...22K. doi:10.1088/0067-0049/215/2/22. hdl:1885/76226. S2CID 119296675.
- ^ "Results for object NGC IC 755 (IC 755)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02.
External links
Media related to NGC 4019 at Wikimedia Commons
| Astronomical catalogs | |
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| NGC | |
| UGC | |
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