NGC 1634
| Galaxy NGC 1634 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | bull |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 40 m 09.8 s |
| declination | + 07 ° 20 ′ 20 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.4 ′ × 0.3 ′ |
| Position angle | 109 ° |
| Surface brightness | 11.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.014710 ± 0.000080 |
| Radial velocity | (4410 ± 24) km / s |
|
Stroke distance v rad / H 0 |
(195 ± 14) · 10 6 ly (59.8 ± 4.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | December 9, 1798 |
| Catalog names | |
| NGC 1634 • PGC 15775 • CGCG 419-022 • MCG + 01-12-015 • 2MASX J04400977 + 0720197 • GC 885 • H III 953 • h 324 • LDCE 329 NED003 • KPG 101B • HOLM 79B | |
NGC 1634 is an elliptical galaxy of Hubble type E / S0 in the constellation Taurus the southern sky . It is estimated to be 195 million light years away from the Milky Way and about 25,000 light years in diameter. Together with NGC 1633 , it forms the isolated and gravitationally bound galaxy pair KPG 101 or Holm 79 .
The object was discovered by Wilhelm Herschel on December 9, 1798 .