Astronomy:NGC 151
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Short description: Galaxy in the constellation Cetus
| NGC 151 | |
|---|---|
 NGC 151 from the Mount Lemmon Observatory SkyCenter using the 0.8m Schulman Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 34m 02.79176s[1] |
| Declination | −09° 42′ 18.9821″[1] |
| Redshift | 0.012562[2] |
| Helio radial velocity | 3742.3 km/s[2] |
| Distance | 170 Mly (52 Mpc)[3] |
| Apparent magnitude (V) | 11.59[3] |
| Apparent magnitude (B) | 12.31[3] |
| Characteristics | |
| Type | SB(r)bc[3] |
| Size | 3.7′ × 1.7′[3] |
| Other designations | |
| NGC 153, MCG-02-02-054, PGC 2035[2] | |
NGC 151 is a mid-sized barred spiral galaxy[3] located in the constellation Cetus.
The galaxy was discovered by English astronomer William Herschel on November 28, 1785. In 1886, Lewis Swift observed the same galaxy and catalogued it as NGC 153, only for it later to be identified as NGC 151.[4]
The galaxy, viewed from almost face on, has several bright, blue, dusty spiral arms filled with active star formation. One noticeable feature of the galaxy is a large gap between the spiral arms.
Two supernovae have been observed in NGC 151. On 22 July 2011, PTF11iqb (type IIn, mag. 17.1)[5] was discovered, and on 24 June 2023, SN 2023lnh (type Ia, mag. 18) was discovered.[6]
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. Gaia DR2 record for this source at VizieR.
- ↑ 2.0 2.1 2.2 "NGC 151". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+151.
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Gil de Paz, Armando et al. (December 2007). "The GALEX Ultraviolet Atlas of Nearby Galaxies". The Astrophysical Journal Supplement Series 173 (2): 185–255. doi:10.1086/516636. Bibcode: 2007ApJS..173..185G.
- ↑ Seligman, Courtney. "New General Catalogue objects: NGC 150 - 199". http://cseligman.com/text/atlas/ngc1a.htm#151.
- ↑ Smith, Nathan; Mauerhan, Jon C.; Cenko, S. Bradley; Kasliwal, Mansi M.; Silverman, Jeffrey M.; Filippenko, Alexei V.; Gal-Yam, Avishay; Clubb, Kelsey I. et al. (2015). "PTF11iqb: Cool supergiant mass-loss that bridges the gap between Type IIn and normal supernovae". Monthly Notices of the Royal Astronomical Society 449 (2): 1876–1896. doi:10.1093/mnras/stv354.
- ↑ Transient Name Server entry for SN 2023lnh. Retrieved 26 June 2023.
External links
- NGC 151 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
Coordinates: 
00h 34m 02.8s, -09° 42′ 18″
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