NGC 7711
| Galaxy NGC 7711 |
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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 | 23 h 35 m 39.4 s |
| declination | + 15 ° 18 ′ 07 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2.6 '× 1.3' |
| Position angle | 95 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 7711 group LGG 477 |
| Redshift | 0.013533 ± 0.000090 |
| Radial velocity | (4057 ± 27) km / s |
|
Stroke distance v rad / H 0 |
(189 ± 13) · 10 6 ly (57.8 ± 4.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | October 14, 1784 |
| Catalog names | |
| NGC 7711 • UGC 12691 • PGC 71836 • CGCG 432-007 • MCG + 02-60-004 • 2MASX J23353940 + 1518077 • GC 4991 • H II 244 • h 2256 • GALEX ASC J233539.46 + 151807.9 • LDCE 1581 NED008 | |
NGC 7711 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus in the northern sky . It is an estimated 189 million light years away from the Milky Way and about 140,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 7691 , NGC 7703 , NGC 7722 .
The object was discovered by Wilhelm Herschel on October 14, 1784 .