Astronomy:NGC 274
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| NGC 274 | |
|---|---|
 NGC 274 with its companion, NGC 275 (image taken by SDSS) | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 51m 01.8s[1] |
| Declination | −07° 03′ 25″[1] |
| Redshift | 0.005837[1] |
| Apparent magnitude (V) | 12.80[1] |
| Characteristics | |
| Type | S0[1] |
| Apparent size (V) | 1.5' × 1.5'[1] |
| Other designations | |
| MCG-01-03-021, Arp 140, PGC 2980.[1] | |
NGC 274 is a lenticular galaxy in the constellation Cetus. It is a pair of galaxies, the other being NGC 275, which it is currently interacting with. It was discovered on September 10, 1785 by William Herschel.[2] It is roughly 120 million light-years away.
NGC 337 Group
NGC 274 is a member of the NGC 337 Group (also known as LGG 15). The group includes at least three other galaxies: NGC 275, NGC 298, and NGC 337.[3][4]
Supernova
One supernova has been observed in NGC 274: AT 2018cdc (Type II, mag. 16.9) was discovered by the Distance Less Than 40 Mpc Survey (DLT40) on 1 June 2018.[5][6][7]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NED results for object NGC 0274". NASA/IPAC Extragalactic Database. http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+274&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.
- ↑ "New General Catalog Objects: NGC 250 - 299". Cseligman. http://cseligman.com/text/atlas/ngc2a.htm#274.
- ↑ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series 100: 47. Bibcode: 1993A&AS..100...47G.
- ↑ "LGG 15". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=LGG+15.
- ↑ Sand, D.; Valenti, S.; Wyatt, S.; Yang, S.; Reichart, D. E.; Haislip, J. B.; Kouprianov, V. (2018). "Discovery of DLT18y/AT2018cdc with PROMPT and the DLT40 Survey". The Astronomer's Telegram 11678: 1. Bibcode: 2018ATel11678....1S. https://www.astronomerstelegram.org/?read=11678.
- ↑ Uddin, Syed; Mould, Jeremy (2018). "WiFeS Classification of AT2018cdc / DLT18y as a Type II Supernova". The Astronomer's Telegram 11704: 1. Bibcode: 2018ATel11704....1U.
- ↑ "AT 2018cdc". IAU. https://www.wis-tns.org/object/2018cdc.
External links
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