NGC 520

NGC 520
NGC 520 by HST
Observation data (J2000 epoch)
Constellation Pisces
Right ascension 01h 24m 35.1s[1]
Declination +03° 47′ 33″[1]
Redshift 0.007609[1]
Helio radial velocity 2,281 ± 3 km/s[1]
Distance 77.8 Mly
(23.9 Mpc)[2]
Apparent magnitude (V) 12.2[1]
Characteristics
Type Pec[1]
Apparent size (V) 4′.5[1]
Notable features Interacting galaxies
Other designations
UGC 966,[1] PGC 5193,[1] Arp 157[1]

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]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 "NASA/IPAC Extragalactic Database". Results for NGC 520. Retrieved 2006-12-22.
  2. 1 2 "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: 01h 24m 35.1s, +03° 47′ 33″


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