NGC 1989

NGC 1989 (also known as ESO 423-21) is a lenticular galaxy in the Columba constellation. It is about 482 million light-years away from the Milky Way. The galaxy was discovered by John Herschel on January 28, 1835.[4] Its apparent magnitude is 12.9[2] and its size is 1.40 by 1.1 arc minutes.[3]

NGC 1989
NGC 1989
legacy surveys image of NGC 1989
Observation data (J2000 epoch)
ConstellationColumba
Right ascension05h 34m 2342s[1]
Declination−30° 48′ 03.55″[1]
Redshift0.035858[1]
Heliocentric radial velocity10557[1]
Distance482 Million[2]
Apparent magnitude (V)12.9[2]
Apparent magnitude (B)14.13[1]
Characteristics
TypeS0[1]
Size1.40 x 1.1[3]
Other designations
ESO 423-21, MCG -5-14-4, AM 0532-304, PGC 17464[2]

References
  1. "NGC 1989 -- Brightest galaxy in a Cluster (BCG)". SIMBAD. Retrieved 25 November 2017.
  2. "Galaxy NGC 1989". DSO. Retrieved 25 November 2017.
  3. "Object: NGC 1989 (*)". SEDS. Retrieved 25 November 2017.
  4. "NGC 1989 (= PGC 17464)". cseligman. Retrieved 25 November 2017.
  • Media related to NGC 1989 at Wikimedia Commons


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