| NGC 5480 | |
|---|---|
NGC 5480 imaged bySDSS | |
| Observation data (J2000epoch) | |
| Constellation | Ursa Major |
| Right ascension | 14h 06m 21.5880s[1] |
| Declination | +50° 43′ 30.232″[1] |
| Redshift | 0.006373±0.000006[1] |
| Heliocentric radial velocity | 1,911±2 km/s[1] |
| Distance | 77.45 ± 5.01 Mly (23.747 ± 1.536 Mpc)[1] |
| Group orcluster | NGC 5448 Group (LGG 372) |
| Apparent magnitude (V) | 12.8g[1] |
| Characteristics | |
| Type | SA(s)c[1] |
| Size | ~50,500 ly (15.47 kpc) (estimated)[1] |
| Apparent size (V) | 1.63′ × 1.22′[1] |
| Other designations | |
| HOLM 588A,IRAS 14045+5057,UGC 9026,MCG +09-23-035,PGC 50312,CGCG 272-027[1] | |
NGC 5480 is aspiral galaxy in theconstellation ofUrsa Major. Its velocity with respect to thecosmic microwave background is2,045±10 km/s, which corresponds to aHubble distance of 98.4 ± 6.9 Mly (30.16 ± 2.12 Mpc).[1] However, 15non-redshift measurements give a closer mean distance of 77.45 ± 5.01 Mly (23.747 ± 1.536 Mpc).[2] It was discovered by German-British astronomerWilliam Herschel on 15 May 1787.[3][4]
NGC 5480 is listed as having anactive galactic nucleus.[5]
According to A. M. Garcia, the galaxy NGC 5480 is a member of the NGC 5448 group (also known asLGG 372). Thisgalaxy group has at least nine members, includingNGC 5425,NGC 5448,NGC 5477,NGC 5481,NGC 5500,NGC 5520,UGC 9056, andUGC 9083.[6]
NGC 5480 and neighboring galaxy NGC 5481 are listed together asHolm 588 inErik Holmberg'sA Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.[7]
Twosupernovae have been observed in NGC 5480: