NGC 1400

NGC 1400 is an elliptical galaxy in the constellation Eridanus. At a distance of 65 million light-years from Earth, it was discovered by John Herschel in 1786. It is a member of the NGC 1407 group, whose brightest member is NGC 1407. The NGC 1407 group is part of the Eridanus Cluster, a cluster of 200 galaxies.

NGC 1400
Hubble Space Telescope image of NGC 1400
Observation data (J2000 epoch)
ConstellationEridanus
Right ascension 03h 39.5m[1]
Declination−22° 23′[1]
Distance20.23 Mpc (66 Mly)
Apparent magnitude (V)12.3[1]
Characteristics
TypeE0[1]
Apparent size (V)2.3′ × 2.3′[1] (60,000 light-years in diameter)

NGC 1400 is an early-type E0 galaxy. Despite their name, early-type galaxies are much older than spiral galaxies, and mostly comprise old, red-colored stars. Very little star formation occurs in these galaxies; the lack of star formation in elliptical galaxies appears to start at the center and then slowly propagates outward.[2]

NGC 1400 has had star formation in the past, which was caused by NGC 1400 falling into the NGC 1407 group. [3]

References
  1. Dunlop, Storm (2005). Atlas of the Night Sky. Collins. ISBN 978-0-00-717223-8.
  2. Howell, Elizabeth (2015). "Colossal Ancient Galaxies Die from the Inside Out". space.com. Retrieved 5 March 2017.
  3. https://www.researchgate.net/publication/1906704_The_early-type_galaxies_NGC_1407_and_NGC_1400_-_II_Star_formation_and_chemical_evolutionary_history
  • Media related to NGC 1400 at Wikimedia Commons


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