Arp 256 information

Arp 256
Arp 256
	Image taken by Hubble Space Telescope.
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	00h 18m 50.898s
Declination	−10° 22′ 36.49″
Redshift	0.027
Heliocentric radial velocity	7985 km/s
Distance	380 Mly (115 Mpc)
Apparent magnitude (V)	S: 14.33; N: 13.60
Apparent magnitude (B)	S: 14.81; N: 13
Characteristics
Type	S: SB(s)b pec?; N: SB(s)c pec
Apparent size (V)	S: 1.1′ × 0.6′; N: 1.1′ × 0.8′
Notable features	Interacting galaxies
Other designations
	Arp 256S: MCG-02-01-051, PGC 1224; Arp 256N: MCG-02-01-052, PGC 1221

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Arp 256 is a pair of interacting barred spiral galaxies located 380 million light years away from Earth in the constellation of Cetus. Arp 256 (also Arp 256S) refers to the southern galaxy;^[1] the northern galaxy is Arp 256N.^[4]

Both galaxies are undergoing intense star formation as seen from the many blue dots in them. Arp 256N has two long ribbon shaped spiral arms full of gas, dust and stars.^[5]

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Cite error: The named reference simbad was invoked but never defined (see the help page).
^ ^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. S2CID 119085482.
^ Cite error: The named reference nedS was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference nedN was invoked but never defined (see the help page).
^ information@eso.org. "Arp 256". www.spacetelescope.org. Retrieved 2023-11-26.

[simbad-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j Cite error: The named reference simbad was invoked but never defined (see the help page).

[GALEX-2] 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. S2CID 119085482.

[nedS-3] Cite error: The named reference nedS was invoked but never defined (see the help page).

[nedN-4] Cite error: The named reference nedN was invoked but never defined (see the help page).

[5] rmation@eso.org. "Arp 256". www.spacetelescope.org. Retrieved 2023-11-26.

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