Astronomy:NGC 42
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Short description: Galaxy located in the constellation Pegasus
| NGC 42 | |
|---|---|
 SDSS image of NGC 42 | |
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 00h 12m 56.361s[1] |
| Declination | +22° 06′ 01.00″[1] |
| Redshift | 0.019927[2] |
| Helio radial velocity | 5914 km/s[2] |
| Distance | 263.2 Mly (80.70 Mpc)[3] |
| Apparent magnitude (B) | 15.07[4] |
| Characteristics | |
| Type | S0−:[5] |
| Other designations | |
| UGC 118, MCG+04-01-041, PGC 867[2] | |
NGC 42 is a lenticular galaxy[5] in the Pegasus constellation. It was discovered on October 30, 1864, by the German astronomer Albert Marth. It may be gravitationally interacting with the nearby NGC 41.[6]
References
- ↑ 1.0 1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W. et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal 131 (2): 1163–1183. doi:10.1086/498708. ISSN 0004-6256. Bibcode: 2006AJ....131.1163S. https://ui.adsabs.harvard.edu/abs/2006AJ....131.1163S/abstract.
- ↑ 2.0 2.1 2.2 "NGC 42". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+42.
- ↑ 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.
- ↑ "Search specification: NGC 42". HyperLeda. Université Claude Bernard Lyon 1. http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC%2042. Retrieved 2021-02-04.
- ↑ 5.0 5.1 "Results for object NGC 0042 (NGC 42)". NASA/IPAC Extragalactic Database. California Institute of Technology. https://ned.ipac.caltech.edu/byname?objname=NGC%2042&hconst=67.8&omegam=0.308&omegav=0.692&wmap=4&corr_z=1. Retrieved 2021-02-04.
- ↑ Seligman, Courtney. "New General Catalogue objects: NGC 1 - 49". http://cseligman.com/text/atlas/ngc0.htm#42. Retrieved 2021-02-04.
External links
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