NGC 4478
| Galaxy NGC 4478 |
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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 | 12 h 30 m 17.4 s |
| declination | + 12 ° 19 ′ 43 ″ |
| Appearance | |
| Morphological type | E2 |
| Brightness (visual) | 11.4 mag |
| Brightness (B-band) | 12.4 mag |
| Angular expansion | 1.8 ′ × 1.5 ′ |
| Position angle | 140 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 289 |
| Redshift | 0.004500 +/- 0.000011 |
| Radial velocity | 1349 +/- 3 km / s |
|
Stroke distance v rad / H 0 |
(58 ± 4) · 10 6 ly (17.7 ± 1.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 12, 1784 |
| Catalog names | |
| NGC 4478 • UGC 7645 • PGC 41297 • CGCG 070-133 • MCG + 02-32-99 • 2MASX J12301743 + 1219428 • VCC 1279 • GC 3031 • H II 124 • h 1298 • LDCE 0904 NED152 | |
NGC 4478 is an elliptical galaxy of Hubble type E2 in the constellation Virgo the northern sky , the estimated 58 million light-years from the Milky Way 's center. The galaxy is located near the galaxy NGC 4476 and is part of the Virgo Galaxy Cluster .
The object was discovered on April 12, 1784 by the astronomer William Herschel using his 18.7 inch mirror telescope.