NGC 520

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NGC 520
Hubble Interacting Galaxy NGC 520 (2008-04-24).jpg
NGC 520 by HST
Observation data (J2000 epoch)
ConstellationPisces
Right ascension01h 24m 35.1s[1]
Declination+03° 47′ 33″[1]
Redshift0.007609[1]
Helio radial velocity2,281 ± 3 km/s[1]
Distance77.8 Mly
(23.9 Mpc)[2]
Apparent magnitude (V)12.2[1]
Characteristics
TypePec[1]
Apparent size (V)4′.5[1]
Notable featuresInteracting galaxies
Other designations
UGC 966,[1] PGC 5193,[1] Arp 157[1]
See also: Galaxy, List of galaxies

NGC 520 are a pair of colliding spiral galaxies about 78 million light-years away[2] in the constellation Pisces and were discovered by astronomer William Herschel on 13 December 1784.[3] The object has an H II nucleus.[4]

Gallery[edit]

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References[edit]

  1. ^ a b c d e f g h i j "NASA/IPAC Extragalactic Database". Results for NGC 520. Retrieved 2006-12-22.
  2. ^ a b "Distance Results for NGC 0520". NASA/IPAC Extragalactic Database. Retrieved 2010-05-05.
  3. ^ "New General Catalog Objects: NGC 500 - 549". cseligman.com. Retrieved 2017-12-10.
  4. ^ Ho, Luis C.; Filippenko, Alexei V.; Sargent, Wallace L. W. (October 1997). "A Search for "Dwarf" Seyfert Nuclei. III. Spectroscopic Parameters and Properties of the Host Galaxies". Astrophysical Journal Supplement. 112. pp. 315–390. arXiv:astro-ph/9704107. Bibcode:1997ApJS..112..315H. doi:10.1086/313041.

Coordinates: Sky map 01h 24m 35.1s, +03° 47′ 33″