NGC 1690
| Galaxy NGC 1690 |
|
|---|---|
|
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| AladinLite | |
| Constellation | Orion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 54 m 19.2 s |
| declination | + 01 ° 38 ′ 25 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 1 ′ × 1 ′ |
| Surface brightness | 14.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.029230 +/- 0.000100 |
| Radial velocity | (8763 +/- 30) km / s |
|
Stroke distance v rad / H 0 |
(388 ± 27) · 10 6 ly (119.1 ± 8.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 5, 1831 |
| Catalog names | |
| NGC 1690 • UGC 3198 • PGC 16290 • CGCG 394-029 • MCG + 00-13-027 • 2MASX J04541926 + 0138253 • | |
NGC 1690 is an elliptical galaxy of Hubble type E in the constellation Orion. It is estimated to be 388 million light years from the Milky Way .
The object was discovered by John Herschel on February 5, 1831 .