NGC 1531

Summary

NGC 1531 is a dwarf galaxy in the constellation Eridanus that is interacting with the larger spiral galaxy NGC 1532.[2] It was discovered by John Herschel on 19 October 1835.[3] Although technically classified as a peculiar lenticular galaxy, the galaxy's structure is better described as amorphous.[2]

NGC 1531
NGC 1531 (above) with large barred spiral galaxy NGC 1532
Observation data (J2000 epoch)
ConstellationEridanus
Right ascension04h 11m 59.3s[1]
Declination−32° 51′ 03″[1]
Redshift1169 ± 29 km/s[1]
Distance42.4 million light-years
Apparent magnitude (V)12.9[1]
Characteristics
TypeS0 pec[1]
Size~15 kly (diameter)
Apparent size (V)1.3 × 0.9[1]
Other designations
PGC 14635[1]

See also edit

  • NGC 4627 - a similar interacting dwarf galaxy
  • M51B - a similar interacting dwarf galaxy

References edit

  1. ^ a b c d e f g "NASA/IPAC Extragalactic Database". Results for NGC 1531. Retrieved 2006-11-21.
  2. ^ a b A. Sandage; J. Bedke (1994). Carnegie Atlas of Galaxies. Washington, D.C.: Carnegie Institution of Washington. ISBN 978-0-87279-667-6.
  3. ^ "New General Catalog Objects: NGC 1500 - 1549". cseligman.com. Retrieved 2017-11-22.

External links edit

  •   Media related to NGC 1531 at Wikimedia Commons
  • NASA Astronomy Picture of the Day: NGC 1531/2 (10 July 1998)
  • NASA Astronomy Picture of the Day: Interacting Galaxies (1 March 2005)
  • NASA Astronomy Picture of the Day: Galaxies in the River (8 January 2020)
  • NGC 1531 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images