Astronomy:NGC 838
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| NGC 838 | |
|---|---|
| NGC 838 HST image of NGC 838 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 09m 38.562s[1] |
| Declination | −10° 08′ 46.12″[1] |
| Redshift | 0.01284[1] |
| Helio radial velocity | 3825 ± 3 km/s[1] |
| Distance | 167.5 Mly (51.37 Mpc)[2] |
| Apparent magnitude (V) | 12.91[3] |
| Apparent magnitude (B) | 13.53[3] |
| Characteristics | |
| Type | SA(rs)00 pec:[4] |
| Other designations | |
| MCG-02-06-033, PGC 8250[1] | |
NGC 838 is an unbarred lenticular galaxy[4] located at approximately 170 million light-years away in the constellation of Cetus. It is part of the Hickson Compact Group 16.[5]
Supernova
One supernova has been observed in NGC 838: SN 2005H (Type II, mag. 15.9) was discovered by the Lick Observatory Supernova Search (LOSS) on 15 January 2005.[6][7]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "NGC 838". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+838.
- ↑ 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.
- ↑ 3.0 3.1 "Search specification: NGC 838". HyperLeda. Université Claude Bernard Lyon 1. http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%20838. Retrieved 2021-02-19.
- ↑ 4.0 4.1 "Results for object NGC 0838 (NGC 838)". NASA/IPAC Extragalactic Database. California Institute of Technology. https://ned.ipac.caltech.edu/byname?objname=NGC%20838&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1. Retrieved 2021-02-19.
- ↑ Turner, M. J. L; Reeves, J. N; Ponman, T. J; Arnaud, M; Barbera, M; Bennie, P. J; Boer, M; Briel, U et al. (2000). "XMM-Newton First-Light Observations of the Hickson Galaxy Group 16". Astronomy & Astrophysics 365: L110–L115. doi:10.1051/0004-6361:20000070.
- ↑ Graham, J.; Li, W.; Trondal, O.; Schwartz, M. (2005). "Supernovae 2005E, 2005F, 2005G, 2005H, 2005I, 2005J". International Astronomical Union Circular (8467): 1. Bibcode: 2005IAUC.8467....1G. http://www.cbat.eps.harvard.edu/iauc/08400/08467.html#Item1.
- ↑ "SN 2005H". IAU. https://www.wis-tns.org/object/2005H.
External links
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