NGC 973
| Galaxy NGC 973 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | triangle |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 34 m 20.1 s |
| declination | + 32 ° 30 ′ 20 ″ |
| Appearance | |
| Morphological type | Sbc / Sy2 / LINER |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 3.7 ′ × 0.5 ′ |
| Position angle | 48 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 66 |
| Redshift | 0.016195 ± 0.000027 |
| Radial velocity | 4855 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(221 ± 16) x 10 6 ly (67.9 ± 4.8) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | October 30, 1885 |
| Catalog names | |
| NGC 973 • UGC 2048 • PGC 9795 • CGCG 505-014 • MCG + 05-07-013 • IRAS 02313 + 3217 • KUG 0231 + 322 • 2MASX J02342010 + 3230200 • GALEX ASC J023420.10 + 323022.2 • LDCE 176 NED016 | |
NGC 973 is a spiral galaxy with an active nucleus of the Hubble type Sb in the constellation Triangulum in the northern sky . It is estimated to be 221 million light years away from the Milky Way and has a diameter of about 240,000 ly.
In the same area of the sky are the galaxies NGC 969 , NGC 974 , NGC 978 , IC 1815 .
The object was discovered by Lewis Swift on October 30, 1885 .