NGC 4904
| Galaxy NGC 4904 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 00 m 58.6 s |
| declination | -00 ° 01 ′ 38 ″ |
| Appearance | |
| Morphological type | SB (s) cd; HII; WR Sbrst |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 2.2 ′ × 1.5 ′ |
| Position angle | 25 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 315 |
| Redshift | 0.003936 +/- 0.000003 |
| Radial velocity | 1180 +/- 1 km / s |
|
Stroke distance v rad / H 0 |
(49 ± 4) · 10 6 ly (15.1 ± 1.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | January 1, 1786 |
| Catalog names | |
| NGC 4904 • UGC 8121 • PGC 44846 • CGCG 015-055 • MCG + 00-33-026 • IRAS 12584 + 0014 • Mrk 1341 • GC 3361 • H II 517 • LDCE 0904 NED290 | |
NGC 4904 is a 12.1 mag bright barred spiral galaxy (and also a Seyfert type 1 galaxy ) of the Hubble type SBc in the constellation of Virgo , which is about 49 million light years away from the Milky Way.
It was discovered on January 1, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "pB, pL, R, bM".