NGC 257
In this article, we will explore in depth NGC 257, a topic that has aroused growing interest in contemporary society. Over the years, NGC 257 has been the subject of debate, study and reflection, given its relevance and impact in various areas of daily life. From its origins to its influence today, NGC 257 has played a crucial role in the way people perceive the world around them, as well as in making decisions that affect both individually and collectively. Through a detailed and impartial analysis, this article aims to shed light on NGC 257 and its implications in today's society, offering a global vision that encompasses different perspectives and approaches.
| NGC 257 | |
|---|---|
 SDSS image of NGC 257 | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 00h 48m 01.510s[1] |
| Declination | +08° 17′ 49.45″[1] |
| Redshift | 0.017592[2] |
| Heliocentric radial velocity | 5274 km/s[2] |
| Distance | 219.64 ± 34.73 Mly (67.343 ± 10.649 Mpc)[2] |
| Apparent magnitude (B) | 13.7[3] |
| Characteristics | |
| Type | Scd?[2] |
| Size | 141,000 ly (43,100 pc)[2][note 1] |
| Apparent size (V) | 3.0′ × 2.5′[2] |
| Other designations | |
| UGC 493, MGC+01-03-003, PGC 2818 | |
NGC 257 is a spiral galaxy in the Pisces constellation. It was discovered on December 29, 1790, by Frederick William Herschel.[4]
References
- ^ a b 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.
- ^ a b c d e f "NED results for object NGC 0257". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 25 June 2017.
- ^ "NGC 257". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 25 June 2017.
- ^ Seligman, Courtney. "New General Catalogue objects: NGC 250 - 299". cseligman.com. Retrieved 25 June 2017.
Notes
- ^ POSS1 103a-O values used.
External links
Media related to NGC 257 at Wikimedia Commons
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