NGC 7156
| Galaxy NGC 7156 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 21 h 54 m 33.6 s |
| declination | + 02 ° 56 ′ 35 ″ |
| Appearance | |
| Morphological type | SAB (rs) cd: |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 1.7 '× 1.4' |
| Position angle | 96 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.013293 ± 0.000010 |
| Radial velocity | 3985 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(185 ± 13) x 10 6 ly (56.8 ± 4.0) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | October 8, 1785 |
| Catalog names | |
| NGC 7156 • UGC 11843 • PGC 67622 • CGCG 376-053 • MCG + 00-55-029 • IRAS 21520 + 0242 • 2MASX J21543362 + 0256347 • GC 4718 • H III 452 • h 2135 • GALEX ASC J215433.63 + 025634.2 • KIG 935 | |
NGC 7156 is a barred spiral galaxy of the Hubble type SBc in the constellation Pegasus in the northern sky . It is estimated to be 185 million light years from the Milky Way and about 90,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 7146 , NGC 7147 , NGC 7149 , IC 1407 .
The object was discovered by Wilhelm Herschel on October 8, 1785 .