NGC 1998

NGC 1998
NGC 1998, top-right from it is NGC 1995
Observation data (J2000.0 epoch)
Constellation Pictor
Right ascension 05h 33m 15.7s[1]
Declination +48° 41′ 44″[1]
Redshift 0.015137[2]
Helio radial velocity 4538[2]
Distance 207 million
Apparent magnitude (V) 14.3[3]
Apparent magnitude (B) 15.2[3]
Characteristics
Type SO
Size 0.90 x 0.5 arc minutes[3]
Other designations
ESO 204-15, PGC 17434

NGC 1998 (also known as ESO 204-15, PGC 17434) is a lenticular galaxy located in the Pictor constellation. It was discovered by John Herschel on December 28, 1834[4] and is about 207 million light-years from the Milky Way. Its apparent magnitude is 14.3.[3] and its size is 0.90 by 0.5 arc minutes.[3] In some sources such as SIMBAD, It misidentifies it as nearby double star NGC 1995.[2]

References

  1. 1 2 "NED results for object NGC 1998". NED. Retrieved 11 November 2017.
  2. 1 2 3 "NGC 1995". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 11 November 2017.
  3. 1 2 3 4 5 "Object: NGC 1998 (*)". SEDS. Retrieved 11 November 2017.
  4. ↑ "Galaxy NGC 1998". cseligman. Retrieved 11 November 2017.
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