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From Wikipedia, the free encyclopedia

UGC 2140
UGC 2140 with the legacy surveys
Observation data (J2000 epoch)
ConstellationAries
Right ascension02h 39m 06.1s[1]
Declination+18° 23′ 02″[1]
Redshift0.013583[1]
Apparent magnitude (V)15.43[1]
Characteristics
TypeIrr[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

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]

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Transcription

References

  1. ^ a b c d e "NASA/IPAC Extragalactic Database". Results for UGC 02140. Retrieved 29 October 2014.
  2. ^ a b 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.
This page was last edited on 5 August 2023, at 14:16
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