NGC 890
| Galaxy NGC 890 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | triangle |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 22 m 01.0 s |
| declination | + 33 ° 15 ′ 58 ″ |
| Appearance | |
| Morphological type | SAB (r) 0 - ? |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.3 mag |
| Angular expansion | 2.5 ′ × 1.7 ′ |
| Position angle | 54 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.013269 +/- 0.000063 |
| Radial velocity | 3978 +/- 19 km / s |
|
Stroke distance v rad / H 0 |
(183 ± 13) · 10 6 ly (56.0 ± 3.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | September 13, 1784 |
| Catalog names | |
| NGC 890 • UGC 1823 • PGC 8997 • CGCG 504-064 • MCG + 05-06-030 • 2MASX J02220100 + 3315579 • GC 526 • H II 225 • h 217 • USGC U115 NED03 | |
NGC 890 is an elliptical galaxy of Hubble type I / SB0 in the constellation Triangulum at the northern sky . It is estimated to be 183 million light-years away from the Milky Way and has a diameter of about 130,000 light years
. a. the galaxy IC 1793 .
The object was discovered by Wilhelm Herschel on September 13, 1784 .