11h55m45.117s, +55° 19′ 14.42″| NGC 3972 | |
|---|---|
NGC 3972 taken by Hubble Space Telescope.[1]
| |
| Observation data (J2000 epoch) | |
| Constellation | Ursa Major |
| Right ascension | 11h55m 45.1s[2] |
| Declination | +55° 19′ 14″[2] |
| Redshift | 0.002799[3] |
| Heliocentric radial velocity | 846 km/s[2] |
| Distance | 66.0 Mly (20.23 Mpc)[2] |
| Grouporcluster | NGC 3992 Group[4] |
| Apparent magnitude (V) | 13.14[3] |
| Characteristics | |
| Type | SA(s)bc,[5] SBbc[6] |
| Size | c. 50,000 ly |
| Other designations | |
| IRAS 11531+5535, 2MASX J11554511+5519144, UGC 6904, LEDA 37466, MCG 09-20-032[3] | |
NGC 3972 is a spiral galaxy located in the northern constellationofUrsa Major. It was discovered by William Herschel on April 14, 1789.[7] This galaxy is located 66 million light years away and is receding with a heliocentric radial velocityof846 km/s.[2] It is a member of the NGC 3992 Group of galaxies.[4]
Type Ia supernova SN 2011by was discovered in this galaxy on April 26, 2011, by Zhangwei Jin and Xing Gao in China. It was magnitude 14.2 ten days short of maximum, and positioned at an offset 5.3″ east and 19.1″ north of the galactic nucleus.[8]
Media related to NGC 3972 at Wikimedia Commons
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