Arp 256

Arp 256
	Image taken by Hubble Space Telescope.
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	00h 18m 50.898s[1]
Declination	−10° 22′ 36.49″[1]
Redshift	0.027[1]
Helio radial velocity	7985 km/s[1]
Distance	380 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
Type	S: 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 features	Interacting galaxies
Other designations
	Arp 256S: MCG-02-01-051, PGC 1224[1]; Arp 256N: MCG-02-01-052, PGC 1221[4]

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

1 2 3 4 5 6 7 8 9 10 "Arp 256". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 19 March 2018.
1 2 3 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.
↑ "NED results for object ARP 256S". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 29 March 2018.
1 2 3 "NED results for object ARP 256N". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 29 March 2018.

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[simbad-1] 1 2 3 4 5 6 7 8 9 10 "Arp 256". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 19 March 2018.

[GALEX-2] 1 2 3 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.

[nedS-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.

[nedN-4] 1 2 3 "NED results for object ARP 256N". NASA/IPAC Extragalactic Database. National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 29 March 2018.