NGC 4651
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| NGC 4651 | |
|---|---|
| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. NGC 4651. Note the umbrella-shaped stream. | |
| Observation data (J2000 epoch) | |
| Constellation | Coma Berenices |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Redshift | 0.002669[1] |
| Heliocentric radial velocity | 800 ± 1 km/s[1] |
| Distance | 74.20 ± 3.50 Mly (22.749 ± 1.074 Mpc)[1]Template:R/superscript |
| Apparent magnitude (V) | 11.39[1] |
| Characteristics | |
| Type | SA(rs)c[1] |
| Size | ~87,900 ly (26.95 kpc) (estimated)[1] |
| Apparent size (V) | 4.0′ × 2.6′[1] |
| Other designations | |
| Template:Odlist[1] | |
NGC 4651 is a spiral galaxy located in the constellation of Coma Berenices that can be seen with amateur telescopes, at a distance not well determined that ranges from 35 million light years[2] to 72 million light years.[3] It was discovered by German-British astronomer William Herschel on 30 December 1783.[4]
Features
This member of the Virgo Cluster, located on its outskirts,[5] is known as the Umbrella Galaxy due to the umbrella-shaped structure that extends from its disk to the east and that is composed of stellar streams, being the remnants of a much smaller galaxy that has been torn apart by NGC 4651's tidal forces,[2][6] something that explains why NGC 4651 has been included on Halton Arp's Atlas of Peculiar Galaxies as Arp 189 -galaxy with filaments-.
Studies using radiotelescopes of the distribution of its neutral hydrogen show distortions on NGC 4651's outer regions and a gas clump associated with a dwarf galaxy that may have been born in the event that produced the mentioned stellar streams.[7]
Unlike most spiral galaxies of the Virgo Cluster, NGC 4651 is rich in neutral hydrogen, also extending beyond the optical disk,[7] and its star formation is typical for a galaxy of its type.[5]
Supernovae
Two supernovae have been observed in NGC 4651:
- SN 1987K (Type II, mag. 15) was discovered by Carlton Pennypacker on 28 July 1987.[8][9]
- SN 2006my (Type II, mag. 15.3) was discovered by Kōichi Itagaki on 8 November 2006.[10][11]
References
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- ^ a b c d e f g h i j Page Module:Citation/CS1/styles.css has no content."Results for object NGC 4651". NASA/IPAC Extragalactic Database. Retrieved 2012-08-04.
- ^ a b Script error: No such module "template wrapper".
- ^ Page Module:Citation/CS1/styles.css has no content.Solanes, J. M.; Sanchis, T.; Salvador-Solé, E.; Giovanelli, R.; Haynes, M. P. (2002). "The Three-dimensional Structure of the Virgo Cluster Region from Tully-Fisher and H I Data". The Astronomical Journal. 124 (5): 2440–2452. arXiv:astro-ph/0208147. Bibcode:2002AJ....124.2440S. doi:10.1086/344074. S2CID 116914132.
- ^ Page Module:Citation/CS1/styles.css has no content.Seligman, Courtney. "New General Catalogue Objects: NGC 4651". Celestial Atlas. Retrieved 6 December 2024.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Koopmann, R.; Kenney, J. D. P. (2004). "Hα Morphologies and Environmental Effects in Virgo Cluster Spiral Galaxies". The Astrophysical Journal. 613 (2): 866–885. arXiv:astro-ph/0406243. Bibcode:2004ApJ...613..866K. doi:10.1086/423191. S2CID 17519217.
- ^ Page Module:Citation/CS1/styles.css has no content."Stellar Tidal Streams in Spiral Galaxies of the Local Volume". Retrieved 2012-07-21.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Chung, A.; Van Gorkom, J.H.; Kenney, J.F.P.; Crowl, Hugh; Vollmer, B. (2009). "VLA Imaging of Virgo Spirals in Atomic Gas (VIVA). I. The Atlas and the H I Properties". The Astronomical Journal. 138 (6): 1741–1816. Bibcode:2009AJ....138.1741C. doi:10.1088/0004-6256/138/6/1741.
- ^ Page Module:Citation/CS1/styles.css has no content.Pollas, C.; Pennypacker, C. (1987). "Supernovae 1987J and 1987K". International Astronomical Union Circular (4426): 1. Bibcode:1987IAUC.4426....1P.
- ^ Page Module:Citation/CS1/styles.css has no content."SN 1987K". Transient Name Server. IAU. Retrieved 6 December 2024.
- ^ Page Module:Citation/CS1/styles.css has no content.Nakano, S.; Itagaki, K. (2006). "Supernovae 2006my-2006ne". International Astronomical Union Circular (8773): 1. Bibcode:2006IAUC.8773....1N.
- ^ Page Module:Citation/CS1/styles.css has no content."SN 2006my". Transient Name Server. IAU. Retrieved 6 December 2024.
External links
- Page Template:Sister-inline/styles.css has no content.Script error: No such module "Sister project logo". Media related to Script error: No such module "Commons link". at Wikimedia Commons
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