UGC 2140

UGC 2140
UGC 2140 with the legacy surveys
Observation data (J2000 epoch)
ConstellationAries
Right ascension02h 39m 06.1s
Declination+18° 23′ 02″
Redshift0.013583
Apparent magnitude (V)15.43
Characteristics
TypeIrr
Apparent size (V)1.7′
Other designations
VV 143, HCG 18, UGC 2140, Z 462-37, APG 258, MCG+03-07-037, Z 0236.3+1810, Arp 258

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.

References

  1. 1 2 3 4 5 "NASA/IPAC Extragalactic Database". Results for UGC 02140. Retrieved 29 October 2014.
  2. 1 2 Plana, H.; Amram, P.; de Oliveira, C. Mendes; Balkowski, C. (2000). "Kinematics and Morphology of Ionized Gas in Hickson Compact Group 18". The Astronomical Journal. 120 (2): 621–629. arXiv:astro-ph/0004358. Bibcode:2000AJ....120..621P. doi:10.1086/301506. S2CID 51747713.