NGC 6956
Galaxy in the constellation Delphinus
From Wikipedia, the free encyclopedia
NGC 6956 is a barred spiral galaxy located in the constellation Delphinus.[1] It is located at a distance of about 214 million light-years from Earth. Friedrich Wilhelm Herschel discovered this galaxy on 9 October 1784.
Right ascension20h 43m 53.7237s[2]
Declination+12° 30′ 42.856″[2]
| NGC 6956 | |
|---|---|
NGC 6956 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Delphinus[1] |
| Right ascension | 20h 43m 53.7237s[2] |
| Declination | +12° 30′ 42.856″[2] |
| Redshift | 0.015561[3] |
| Heliocentric radial velocity | 4629 km/s[3] |
| Apparent magnitude (B) | 13.5[3] |
| Characteristics | |
| Type | SBb[3] |
| Size | 153,700 ly (47.15 kpc) (estimated)[4] |
| Other designations | |
| IRAS 20415+1219, 2MASX J20435368+1230429, NGC 6956, UGC 11619, MCG +02-53-001, PGC 65269[3] | |
Supernovae
Three supernovae have been observed in NGC 6956:
- SN 2006it (Type II-P, mag. 17.6) was discovered by Lick Observatory Supernova Search (LOSS) on 1 October 2006.[5][6]
- SN 2013fa (Type Ia, mag. 16.2) was discovered by Kōichi Itagaki on 25 August 2013.[7][8]
- PSN J20435314+1230304 (Type Ia, mag. 15.8) was discovered by Massimo Caimmi of the Italian Supernovae Search Project (ISSP) on 11 July 2015.[9]
