NGC 788
| Galaxy NGC 788 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 01 m 06.4 s |
| declination | -06 ° 48 ′ 56 ″ |
| Appearance | |
| Morphological type | SA (s) 0 / a: / Sy1 - Sy2 |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.6 ′ × 1.4 ′ |
| Position angle | 111 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 788 group LGG 44 |
| Redshift | 0.013603 ± 0.000093 |
| Radial velocity | 4078 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(183 ± 13) · 10 6 ly (56.1 ± 3.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 10, 1785 |
| Catalog names | |
| NGC 788 • PGC 7656 • MCG -01-06-025 • 2MASX J02010644-0648569 • GC 474 • H II 435 • h 185 • | |
NGC 788 is a lens-shaped galaxy with an active nucleus of the Hubble type S0 / a in the constellation Whale south of the ecliptic . It is an estimated 183 million light years from the Milky Way and about 85,000 light years across.
Together with NGC 829 , NGC 830 , NGC 842 and IC 183 , it forms the NGC 788 group .
The Type Ia supernova SN 1998dj was observed here.
The object was discovered by William Herschel on September 10, 1785 .
NGC 788 group ( LGG 44 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 788 | PGC 7656 | 183 |
| NGC 829 | PGC 8182 | 182 |
| NGC 830 | PGC 8201 | 173 |
| NGC 842 | PGC 8258 | 173 |
| IC 183 | PGC 7538 | 171 |
Web links
Commons : NGC 788 - collection of images, videos, and audio files
