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NGC 5921
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| NGC 5921 | |
|---|---|
 NGC 5921 as taken at the Mount Lemmon SkyCenter | |
| Observation data (J2000 epoch) | |
| Constellation | Serpens Caput |
| Right ascension | 15h 21m 56.5s[1] |
| Declination | +05° 04′ 14″[1] |
| Redshift | 0.00470 ± 0.00001[2] |
| Heliocentric radial velocity | 1480 ± 1 km/s[1] |
| Distance | 65 Mly[3] |
| Apparent magnitude (V) | 11.5[1] |
| Characteristics | |
| Type | SB(r)bc[1] |
| Apparent size (V) | 4.9′ × 4.0′[1] |
| Other designations | |
| UGC 9824,[1] PGC 54849[1] | |
NGC 5921 is a barred spiral galaxy located approximately 65 million light-years from the Solar System in the constellation Serpens Caput. It was discovered by William Herschel on 1 May 1786.[4] In February 2001 a type II supernova (SN 2001X) was discovered in NGC 5921.[5] It is a member of the Virgo III Groups, a series of galaxies and galaxy clusters strung out to the east of the Virgo Supercluster of galaxies.[6]
See also
[edit]References
[edit]- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 5921. Retrieved 2006-11-25.
- ^ "NGC 5921". Retrieved 2017-12-08.
- ^ An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
- ^ "New General Catalog Objects: NGC 5900 - 5949". cseligman.com. Retrieved 2017-12-08.
- ^ "Bright Supernovae - 2001". ASRAS. Archived from the original on 4 July 2015. Retrieved 3 July 2015.
- ^ "The Virgo III Groups". Atlas of the Universe. Retrieved 2010-11-27.
External links
[edit]
Media related to NGC 5921 at Wikimedia Commons- NGC 5921 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- SEDS
- NOAO: NGC 5921 Archived 2009-06-27 at the Wayback Machine
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 | This spiral galaxy article is a stub. You can help Wikipedia by expanding it. |