NGC 157
NGC 157 is an intermediate spiral galaxy in the constellation of Cetus. The compiler of the New General Catalogue, John Louis Emil Dreyer noted that NGC 157 was "pretty bright, large, extended, between 2 considerably bright stars". It was discovered on December 13, 1783 by William Herschel.[3]
| NGC 157 | |
|---|---|
 VLT image of NGC 157 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 34m 46.751s[1] |
| Declination | −08° 23′ 47.36″[1] |
| Redshift | 0.0055[2] |
| Heliocentric radial velocity | 1658.1 km/s[2] |
| Distance | 76.3 mly (23.4 mpc)[2] |
| Apparent magnitude (V) | 10.4[3] |
| Apparent magnitude (B) | 11.0[2] |
| Characteristics | |
| Type | SAB(rs)bc[2] |
| Size | 90 kly[3] |
| Apparent size (V) | 4.2′ × 2.7′[3] |
| Other designations | |
| MCG-02-02-056, PGC 2081, 2MASSX J00344675-0823473 | |
On 5 May 2022, a supernova was observed in NGC 157: SN 2022jli (Type Ic, mag. 14.4).[4]
NGC 157 from the Mount Lemmon SkyCenter using the 0.8m Schulman Telescope
References
- Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708. ISSN 0004-6256. S2CID 18913331.
- "NGC 157". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2015-09-30.
- ">New General Catalog Objects: NGC 150 - 199". Retrieved 2015-09-30.
- Transient Name Server entry for SN 2022jli. Retrieved 21 March 2023.
External links
Media related to NGC 157 at Wikimedia Commons
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