UGC 2140 is an irregular galaxy in the constellation Aries. It was thought to be a compact group of galaxies, catalogued as HCG 18, but in 1999 the object was found to be a single galaxy with multiple star-forming regions.[2]
| UGC 2140 | |
|---|---|
 UGC 2140 with the legacy surveys | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 39m 06.1s[1] |
| Declination | +18° 23′ 02″[1] |
| Redshift | 0.013583[1] |
| Apparent magnitude (V) | 15.43[1] |
| Characteristics | |
| Type | Irr[2] |
| Apparent size (V) | 1.7′[1] |
| Other designations | |
| VV 143, HCG 18, UGC 2140, Z 462-37, APG 258, MCG+03-07-037, Z 0236.3+1810, Arp 258 | |
References
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