Arp 256

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Arp 256
Crash in progress Arp 256.jpg
Image taken by Hubble Space Telescope.
Observation data (J2000 epoch)
ConstellationCetus
Right ascension 00h 18m 50.898s[1]
Declination−10° 22′ 36.49″[1]
Redshift0.027[1]
Helio radial velocity7985 km/s[1]
Distance380 Mly (115 Mpc)[2]
Apparent magnitude (V)S: 14.33[1]
N: 13.60[1]
Apparent magnitude (B)S: 14.81[1]
N: 13[1]
Characteristics
TypeS: SB(s)b pec?[2]
N: SB(s)c pec[2]
Apparent size (V)S: 1.1′ × 0.6′[3]
N: 1.1′ × 0.8′[4]
Notable featuresInteracting galaxies
Other designations
Arp 256S: MCG-02-01-051, PGC 1224[1]
Arp 256N: MCG-02-01-052, PGC 1221[4]
See also: Galaxy, List of galaxies

Arp 256 is a pair of interacting spiral galaxies located in the constellation of Cetus. Arp 256 (also Arp 256S) refers to the southern galaxy;[1] the northern galaxy is Arp 256N.[4]

References[edit]

  1. ^ a b c d e f g h i j "Arp 256". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 19 March 2018.
  2. ^ a b c Gil de Paz, Armando; et al. (December 2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". The Astrophysical Journal Supplement Series. 173 (2): 185–255. arXiv:astro-ph/0606440. Bibcode:2007ApJS..173..185G. doi:10.1086/516636.
  3. ^ "NED results for object ARP 256S". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 29 March 2018.
  4. ^ a b c "NED results for object ARP 256N". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 29 March 2018.