NGC 7177
| Galaxy NGC 7177 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 22 h 00 m 41.2 s |
| declination | + 17 ° 44 ′ 14 ″ |
| Appearance | |
| Morphological type | SAB (r) b / HII / LINER |
| Brightness (visual) | 11.2 mag |
| Brightness (B-band) | 12 likes |
| Angular expansion | 3.2 ′ × 2.1 ′ |
| Position angle | 93 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.003803 ± 0.000003 |
| Radial velocity | 1140 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(60 ± 4) · 10 6 ly (18.3 ± 1.3) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | October 15, 1784 |
| Catalog names | |
| NGC 7177 • UGC 11872 • PGC 67823 • CGCG 451-002 • MCG 03-56-003 • KUG 2158 + 174 • 2MASX J22004125 + 1744172 • GC 4734 • H II 247 • h 2139 • HIPASS J2200 + 17 | |
NGC 7177 is an active barred spiral galaxy with extensive star formation from Hubble type SBb in the constellation Pegasus at the northern sky . It is estimated to be 60 million light years from the Milky Way and about 45,000 light years across.
The supernovae SN 1960L and SN 1976E were observed here.
The object was discovered on October 15, 1784 by the astronomer William Herschel with his 18.7-inch reflector telescope and was later included in his New General Catalog by Johan Dreyer .
Web links
Commons : NGC 7177 - collection of images, videos, and audio files
