NGC 940

NGC 940
SDSS image of NGC 940
Observation data (J2000 epoch)
ConstellationTriangulum
Right ascension02h 29m 27.51472s
Declination+31° 38′ 27.5640″
Redshift0.017172
Heliocentric radial velocity5104 km/s
Distance221.6 Mly (67.93 Mpc)
Apparent magnitude (B)13.4
Characteristics
TypeS0
Other designations
UGC 1964, MCG +05-06-050, PGC 9478

NGC 940 is a lenticular galaxy in the constellation Triangulum. It is estimated to be 222 million light-years from the Milky Way and has a diameter of approximately 80,000 ly. NGC 940 was discovered by German astronomer Heinrich d'Arrest on 26 September 1865.

One supernova has been observed in NGC 940: SN 2021vtl (Type Ia, mag. 17.3) was discovered by Xingming Observatory Sky Survey (XOSS) on 11 August 2021.

See also

References

  1. 1 2 Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. 1 2 3 4 5 "NGC 940". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-30.
  3. 1 2 Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732. Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
  4. ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-21.
  5. ↑ "Revised NGC Data for NGC 940". spider.seds.org. Retrieved 2020-03-21.
  6. ↑ Ford, Dominic. "The galaxy NGC 940 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-21.
  7. ↑ "SN 2021vtl". Transient Name Server. IAU. Retrieved 19 June 2025.