| IC 4271 | |
|---|---|
IC 4271 captured by Hubble
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| Observation data (J2000 epoch) | |
| Constellation | Canes Venatici |
| Right ascension | 13h 29m 21.40s |
| Declination | +37d 24m 42.0s |
| Redshift | 0.057000 |
| Heliocentric radial velocity | 16,625 km/s |
| Distance | 800 Mly (245.3 Mpc) |
| Apparent magnitude (V) | 15 (15.3) |
| Apparent magnitude (B) | 15.8 (16.3) |
| Surface brightness | 13.3 (12.5) |
| Characteristics | |
| Type | SBab? pec + Sc? |
| Apparent size (V) | 0.8' x 0.5' |
| Other designations | |
| PGC 47334, Arp 40, NVSS J132921+372447, MCG +06-30-15, Z 190-12, VV 355 | |
IC 4271 is a spiral galaxy located some 800 million light-years away in the Canes Venatici constellation.[1] It is 130,000 light-years in diameter.[2] IC 4271 was first located on July 10, 1896, by Stephane Javelle, a French astronomer.[2] It hosts a Seyfert type 2 nucleus, containing an acceleration disc around its supermassive black hole which releases large amounts of radiation, hence its bright appearance.[3][4] IC 4271 appears to be interacting with its smaller neighboring galaxy, PGC 3096774.[2][5][6]
Both galaxies form Arp 40.[7][8] In the Atlas of Peculiar Galaxies created by Halton Arp, they fall under spiral galaxies that have companions with low-surface-brightness.
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