| NGC 940 | |
|---|---|
 SDSS image of NGC 940 | |
| Observation data (J2000 epoch) | |
| Constellation | Triangulum |
| Right ascension | 02h 29m 27.51472s[1] |
| Declination | +31° 38′ 27.5640″[1] |
| Redshift | 0.017172[2] |
| Heliocentric radial velocity | 5104 km/s[2] |
| Distance | 221.6 Mly (67.93 Mpc)[3] |
| Apparent magnitude (B) | 13.4[2] |
| Characteristics | |
| Type | S0[2] |
| Other designations | |
| UGC 1964, MCG +05-06-050, PGC 9478[2] | |
NGC 940 is a lenticular galaxy in the constellation Triangulum. It is estimated to be 222 million light-years from the Milky Way[3] and has a diameter of approximately 80,000 ly. NGC 940 was discovered by Heinrich d'Arrest.[4][5][6]
One supernova, SN 2021vtl (type Ia, mag. 17.3), was discovered in NGC 940 on 11 August, 2021.[7]
- ^ a b 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.
- ^ a b c d e "NGC 940". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-30.
- ^ a b 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.
- ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-21.
- ^ "Revised NGC Data for NGC 940". spider.seds.org. Retrieved 2020-03-21.
- ^ Ford, Dominic. "The galaxy NGC 940 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-21.
- ^ Transient Name Server entry for SN 2021vtl. Retrieved 24 March 2023.