| NGC 4643 | |
|---|---|
 legacy surveys image of NGC 4643 | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 43m 20.134s[1] |
| Declination | +01° 58′ 42.24″[1] |
| Redshift | 0.0044[2] |
| Heliocentric radial velocity | 1316 km/s[2] |
| Distance | 62.9 ± 9.5 Mly (19.3 ± 2.9 Mpc)[3] |
| Group or cluster | Virgo Cluster[2] |
| Apparent magnitude (V) | 10.65[4] |
| Apparent magnitude (B) | 11.23[4] |
| Characteristics | |
| Type | SB(rs)0/a[5] |
| Other designations | |
| MCG +00-33-005, PGC 42797[2] | |
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NGC 4643 is a lenticular galaxy located in the constellation Virgo.[6] It is a member of the NGC 4753 Group of galaxies, which is a member of the Virgo II Groups, a series of galaxies and galaxy clusters strung out from the southern edge of the Virgo Supercluster.[7]
- ^ 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.
- ^ a b c d "NGC 4643". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-07-03.
- ^ Erwin, Peter; Seth, Anil; Debattista, Victor P.; Seidel, Marja; Mehrgan, Kianusch; Thomas, Jens; Saglia, Roberto; De Lorenzo-Cáceres, Adriana; MacIejewski, Witold; Fabricius, Maximilian; Méndez-Abreu, Jairo; Hopp, Ulrich; Kluge, Matthias; Beckman, John E.; Bender, Ralf; Drory, Niv; Fisher, Deanne (2021). "Composite bulges – II. Classical bulges and nuclear discs in barred galaxies: The contrasting cases of NGC 4608 and NGC 4643" (PDF). Monthly Notices of the Royal Astronomical Society. 502 (2): 2446–2473. doi:10.1093/mnras/stab126.
- ^ a b "Search specification: NGC 4643". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-07-03.
- ^ "Results for object NGC 4643 (NGC 4643)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-07-03.
- ^ Seligman, Courtney. "New General Catalogue objects: NGC 4600 - 4649". cseligman.com. Retrieved 2021-07-03.
- ^ "The Virgo III Groups". Atlas of the Universe. Retrieved 2010-11-27.