Astronomy:NGC 940
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Short description: Galaxy in the constellation Triangulum
| 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] |
| Helio 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]
See also
References
- ↑ 1.0 1.1 Brown, A. G. A. (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics 616: A1. doi:10.1051/0004-6361/201833051. Bibcode: 2018A&A...616A...1G.
- ↑ 2.0 2.1 2.2 2.3 2.4 "NGC 940". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+940.
- ↑ 3.0 3.1 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. doi:10.1086/510201. Bibcode: 2007ApJ...655..790C.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+940&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ "Revised NGC Data for NGC 940". http://spider.seds.org/ngc/revngcic.cgi?NGC%20940.
- ↑ Ford, Dominic. "The galaxy NGC 940 - In-The-Sky.org" (in en). https://in-the-sky.org/data/object.php?id=NGC940.
- ↑ Transient Name Server entry for SN 2021vtl. Retrieved 24 March 2023.
External links
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