Astronomy:NGC 6956
From HandWiki
| 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] |
| Helio 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, NGC 6956, UGC 11619, MCG+02-53-001, PGC 65269[3] | |
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.
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]
References
- ↑ 1.0 1.1 "NGC 6956". http://www.wikisky.org/starview?object_type=2&object_id=4056.
- ↑ 2.0 2.1 Gaia Collaboration (2020-11-01). "VizieR Online Data Catalog: Gaia EDR3 (Gaia Collaboration, 2020)". VizieR Online Data Catalog: I/350. doi:10.26093/cds/vizier.1350. Bibcode: 2020yCat.1350....0G. https://ui.adsabs.harvard.edu/abs/2020yCat.1350....0G.
- ↑ 3.0 3.1 3.2 3.3 3.4 "NGC 6956". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+6956.
- ↑ "NED Results for NGC 6956". https://ned.ipac.caltech.edu/byname?objname=Ngc+6956&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1.
- ↑ Frieman, J.; Joubert, N.; Mostardi, R.; Prasad, R. R.; Lee, N.; Baek, M.; Li, W.; Sehgal, A. et al. (2006). "Supernovae 2006ha-2006iu". International Astronomical Union Circular (8758): 1. Bibcode: 2006IAUC.8758....1F. http://www.cbat.eps.harvard.edu/iauc/08700/08758.html#Item1.
- ↑ "SN 2006it". IAU. https://www.wis-tns.org/object/2006it.
- ↑ Nakano, S. (2013). "Supernova 2013fa in NGC 6956 = PSN J20435357+1230517". Central Bureau Electronic Telegrams (3641): 1. Bibcode: 2013CBET.3641....1N.
- ↑ "SN 2013fa". IAU. https://www.wis-tns.org/object/2013fa.
- ↑ Bishop, David. "Supernovae PSN J20435314+1230304 in NGC 6956". https://www.rochesterastronomy.org/sn2015/j20435.html.
External links
- NGC 6956 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
- NGC 6956 on SIMBAD
Template:NGC objects:6500-6999
 |  |
