| NGC 4477 | |
|---|---|
 SDSS image of NGC 4477 | |
| Observation data (J2000 epoch) | |
| Constellation | Coma Berenices |
| Right ascension | 12h 30m 02.2s[1] |
| Declination | 13° 38′ 12″[1] |
| Redshift | 0.004463/1338 km/s[1] |
| Distance | 54.8 Mly |
| Group or cluster | Virgo Cluster |
| Apparent magnitude (V) | 11.38[1] |
| Characteristics | |
| Type | SB0(s) [1] |
| Size | ~69,340 ly (estimated)[1] |
| Apparent size (V) | 3.8 x 3.5[1] |
| Other designations | |
| CGCG 70-129, IRAS 12275+1354, MCG 2-32-97, PGC 41260, UGC 7638, VCC 1253[1] | |
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NGC 4477 is a barred lenticular galaxy[2][3] located about 55 million light-years away[4] in the constellation of Coma Berenices.[5] NGC 4477 is classified as a type 2 Seyfert galaxy.[2] The galaxy was discovered by astronomer William Herschel on April 8, 1784.[6] NGC 4477 is a member of Markarian's Chain which forms part of the larger Virgo Cluster.[7]
- ^ a b c d e f g h "NASA/IPAC Extragalactic Database". Results for NGC 4477. Retrieved 2017-08-02.
- ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-03.
- ^ "NGC 4477 - (RL)SB0/a". The De Vaucouleurs Atlas of Galaxies. Archived from the original on 2019-03-02. Retrieved 2017-08-03.
- ^ HO, LUIS C.; SARZI, MARC; RIX, HANS-WALTER; SHIELDS, JOSEPH C.; RUDNICK, GREG; FILIPPENKO, ALEXEI V.; BARTH, AARON J. (30 October 2001). "An Efficient Strategy to Select Targets for Gasdynamical Measurements of Black Hole Masses Using the Hubble Space Telescope". Publications of the Astronomical Society of the Pacific. 114 (792): 137–143. arXiv:astro-ph/0110671. doi:10.1086/338546. S2CID 17982236.
- ^ Rojas, Sebastián García. "Galaxy NGC 4477 - Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser". DSO Browser. Archived from the original on 2017-08-04. Retrieved 2017-08-03.
- ^ "New General Catalog Objects: NGC 4450 - 4499". cseligman.com. Retrieved 2017-08-01.
- ^ "Exploring the Coma-Virgo Cloud" (PDF). GEMINI. 2:12: 1–9. April 1978. Archived from the original (PDF) on 2014-09-25. Retrieved 2017-08-04.