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UGC 477
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| UGC 477 | |
|---|---|
 The low surface brightness (LSB) galaxy UGC 477 imaged by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 00h 46m 13.1067s[1] |
| Declination | +19° 29′ 23.760″[1] |
| Redshift | 0.008836[2] |
| Heliocentric radial velocity | 2649 km/s[2] |
| Distance | 117.52 ± 6.11 Mly (36.033 ± 1.872 Mpc)[2] |
| Apparent magnitude (V) | 14.70[2] |
| Apparent magnitude (B) | 15.4[3] |
| Characteristics | |
| Type | Sdm:[2] |
| Size | 100,000 ly (31,000 pc)[4] |
| Apparent size (V) | 1.633′ × 0.490′[3] |
| Notable features | Low-surface-brightness galaxy |
| Other designations | |
| KPG 015A, MCG +03-03-002, PGC 2699, CGCG 458-004[3] | |
UGC 477[3] is a low surface brightness (LSB) galaxy, located in the Pisces constellation. It is located over 110 million light years away.[5] At around 100,000 light years across, it is similar in size to the Milky Way galaxy.[4] The earliest known reference to this galaxy comes from part 2 of the Morphological Catalogue of Galaxies, published in 1964, where it is listed as MCG +03-03-002.
According to I.D. Karachentsev, UGC 477 forms an isolated galaxy pair with NGC 251.[6]
Image gallery
[edit]-
UGC 477 imaged by Legacy Surveys
References
[edit]- ^ 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 "Results for object UGC 00477". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 22 January 2017.
- ^ a b c d "UGC 477". SIMBAD. Centre de données astronomiques de Strasbourg.
- ^ a b Plait, Phil (2016-05-02). "A Galaxy Hidden in Plain Sight". Slate. ISSN 1091-2339. Retrieved 2016-05-03.
- ^ "UGC 477 – Astronomy Now". astronomynow.com. Retrieved 2016-05-03.
- ^ Karachentsev, I. D. (1972). "Catalogue of isolated pairs of galaxies in the northern hemisphere". Soobshcheniya Spetsial'noj Astrofizicheskoj Observatorii. 7: 1–92. Bibcode:1972SoSAO...7....1K.
