NGC 4257
Galaxy NGC 4257 |
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SDSS image of NGC 4257 | |
AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 19 m 06.5 s |
declination | + 05 ° 43 ′ 33 ″ |
Appearance | |
Morphological type | Sab: sp / LINER |
Brightness (visual) | 14.3 mag |
Brightness (B-band) | 15.1 mag |
Angular expansion | 1.5 '× 0.5' |
Position angle | 78 ° |
Surface brightness | 13.8 mag / arcmin² |
Physical data | |
Affiliation | Virgo cluster |
Redshift | 0.009193 ± 0.000117 |
Radial velocity | 2756 ± 35 km / s |
Stroke distance v rad / H 0 |
(119 ± 8) · 10 6 ly (36.6 ± 2.6) Mpc |
history | |
discovery | Heinrich d'Arrest |
Discovery date | April 21, 1862 |
Catalog names | |
NGC 4257 • PGC 39624 • CGCG 042-006 • MCG + 01-31-049 • 2MASX J12190647 + 0543333 • VCC 323 • GC 2840 • LDCE 0904 NED038 |
NGC 4257 is a spiral galaxy of Hubble type Sab in the constellation Virgo north of the ecliptic . It is estimated to be 119 million light years from the Milky Way . The galaxy is listed under catalog number VVC 323 as part of the Virgo galaxy cluster . The object was discovered by Heinrich Louis d'Arrest on April 21, 1862 .
Web links
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