NGC 4027

NGC 4027 (also known as Arp 22) is a barred spiral galaxy approximately 83 million light-years away[2] in the constellation Corvus. It is also a peculiar galaxy because one of its spiral arms goes out more than the other. This is probably due to a galactic collision in NGC 4027's past.

NGC 4027
NGC 4027
ESO image of NGC 4027.
Observation data (J2000 epoch)
ConstellationCorvus
Right ascension11h 59m 30.2s[1]
Declination−19° 15′ 55″[1]
Redshift1671 ± 6 km/s[1]
Distance83 Mly
(25.6 Mpc)[2]
Apparent magnitude (V)11.7[1]
Characteristics
TypeSB(s)dm[1]
Apparent size (V)3'.2 × 2'.4[1]
Other designations
UGCA 260, PGC 37773, Arp 22,
VV 066, VIII Zw 158[1]

One supernova has been observed in NGC 4027: SN 1996W (type II, mag. 16).[3]

Galaxy group information

NGC 4027 is part of the NGC 4038 Group, a group of galaxies that also contains the Antennae Galaxies (NGC 4038/NGC 4039).[4][5][6][7]

See also
  • NGC 4618 - a similar one-armed spiral galaxy
  • NGC 4625 - a similar one-armed spiral galaxy
  • NGC 5713 - a similar one-armed spiral galaxy

References
  1. "NASA/IPAC Extragalactic Database". Results for NGC 4027. Retrieved 2006-10-31.
  2. "Distance Results for NGC 4027". NASA/IPAC Extragalactic Database. Retrieved 2010-05-16.
  3. Transient Name Server entry for SN 1996W. Retrieved 30 March 2023.
  4. R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 978-0-521-35299-4.
  5. P. Fouque; E. Gourgoulhon; P. Chamaraux; G. Paturel (1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement. 93: 211–233. Bibcode:1992A&AS...93..211F.
  6. A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement. 100: 47–90. Bibcode:1993A&AS..100...47G.
  7. G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. S2CID 9618325.
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