NGC 731

NGC 731 is an elliptical galaxy located in the constellation of Cetus about 172 million light-years away from the Milky Way.[3] It was discovered by William Herschel on January 10, 1785.[5] It has a luminosity of 3.9×1010 L.[3]

NGC 731
NGC 731
legacy surveys image of NGC 731
Observation data (J2000 epoch)
ConstellationCetus
Right ascension01h 54m 56.208s[1]
Declination−09° 00 38.90[1]
Redshift0.01301[2]
Heliocentric radial velocity3875 km/s[2]
Distance172 Mly (52.7 Mpc)[3]
Apparent magnitude (V)12.14[4]
Apparent magnitude (B)13.06[4]
Characteristics
TypeE,[4] cD:[1]
Other designations
MCG -02-05-073, PGC 7118[2]

References

  1. "Results for object NGC 0731 (NGC 731)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021-08-26.
  2. "NGC 731". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-08-26.
  3. Wolf, Joe; Martinez, Gregory D.; Bullock, James S.; Kaplinghat, Manoj; Geha, Marla; Muñoz, Ricardo R.; Simon, Joshua D.; Avedo, Frank F. (2010). "Accurate masses for dispersion-supported galaxies". Monthly Notices of the Royal Astronomical Society. 406 (2): 1220. arXiv:0908.2995. Bibcode:2010MNRAS.406.1220W. doi:10.1111/j.1365-2966.2010.16753.x. S2CID 14616368.
  4. "Search specification: NGC 731". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-08-26.
  5. Seligman, Courtney. "New General Catalogue objects: NGC 700 - 749". cseligman.com. Retrieved 2021-08-26.
  • Media related to NGC 731 at Wikimedia Commons
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