UGC 6665

UGC 6665 (Arp 161) is a spiral[4] field galaxy[4] in the constellation Virgo. It is an estimated 265 million light-years[1] from the Milky Way, and is listed in Halton Arp's Atlas of Peculiar Galaxies as number 161.[2]

UGC 6665
UGC 6665
SDSS image of UGC 6665
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension11h 42m 12.4s[1]
Declination+00° 20′ 03.0″[1]
Redshift0.01855[2]
Heliocentric radial velocity5510 ± 3 km/s[2]
Distance265 Mly (81.2 Mpc)[1]
Apparent magnitude (V)13.57[3]
Apparent magnitude (B)14.17[3]
Characteristics
TypeSb pec:[4]
Other designations
UM 448, UGC 6665, MCG +00-30-019, PGC 36325[2]

UGC 6665 is a blue compact dwarf (BCD) galaxy. Like some other BCDs, it has an unusually high ratio of nitrogen to oxygen.[5]

References
  1. Hunt, L. K.; Weiß, A.; Henkel, C.; Combes, F.; García-Burillo, S.; Casasola, V.; Caselli, P.; Lundgren, A.; Maiolino, R.; Menten, K. M.; Testi, L. (2017). "Physical conditions of the molecular gas in metal-poor galaxies". Astronomy & Astrophysics. 606: A99. arXiv:1704.05252. Bibcode:2017A&A...606A..99H. doi:10.1051/0004-6361/201731000. S2CID 119485252.
  2. "UGC 6665". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-08-30.
  3. "Search specification: UGC 6665". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-08-30.
  4. "Results for object NGC UGC 6665 (UGC 6665)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-08-30.
  5. James, B. L.; Tsamis, Y. G.; Barlow, M. J.; Walsh, J. R.; Westmoquette, M. S. (2013). "The merging dwarf galaxy UM 448: Chemodynamics of the ionized gas from VLT integral field spectroscopy". Monthly Notices of the Royal Astronomical Society. 428: 86–102. doi:10.1093/mnras/sts004.
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