NGC 4478
Galaxy NGC 4478 |
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SDSS recording | |
AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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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.