NGC 7740
| Galaxy NGC 7740 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 43 m 32.2 s |
| declination | + 27 ° 18 ′ 45 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 0.8 '× 0.5' |
| Position angle | 140 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.030308 ± 0.000100 |
| Radial velocity | (9086 ± 30) km / s |
|
Stroke distance v rad / H 0 |
(414 ± 29) x 10 6 ly (127.0 ± 8.9) Mpc |
| history | |
| discovery | Guillaume Bigourdan |
| Discovery date | October 27, 1886 |
| Catalog names | |
| NGC 7740 • PGC 72216 • CGCG 476-123 • 2MASX J23433227 + 2718426 • LDCE 1590 NED013 | |
NGC 7740 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus in the northern sky . It is an estimated 414 million light years from the Milky Way .
The object was discovered by Guillaume Bigourdan on October 27, 1886 .