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IC 755

Summary

IC 755, also known as NGC 4019,[3] is a barred spiral galaxy.[6] It lies about 60 million light-years away (18 Megaparsecs)[4] in the northern constellation of Coma Berenices. It is a member of the Virgo Cluster.[5]

IC 755
IC 755 captured by Hubble's Wide Field Camera[1]
Observation data (J2000 epoch)
ConstellationComa Berenices
Right ascension12h 01m 10.382s[2]
Declination+14° 06′ 16.25″[2]
Redshift0.00511[3]
Heliocentric radial velocity1528 km/s[3]
Distance60.3 ± 4.9 Mly (18.5 ± 1.5 Mpc)[4]
Group or clusterVirgo Cluster[5]
Apparent magnitude (B)13.9[3]
Characteristics
TypeSBb? edge-on[6]
Other designations
NGC 4019, UGC 7001, MCG +02-31-014, PGC 37912[3]

In 1999 a star within IC 755 was seen to explode as a supernova and named SN 1999an.[4] Supernovae like SN 1999an are classified as Type IIs[4] 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 edit

  1. ^ "Edge-on Galaxy Hosts Supernova Explosion". Picture of the Week. ESA/Hubble. Retrieved 18 July 2011.
  2. ^ a b 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.
  3. ^ a b c d e "IC 755". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-02.
  4. ^ a b c d 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.
  5. ^ a b 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.
  6. ^ a b "Results for object NGC IC 755 (IC 755)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-02-02.

External links edit

  •   Media related to NGC 4019 at Wikimedia Commons