NGC 7803
| Galaxy NGC 7803 |
|
|---|---|
|
|
| PGC 108 , NGC 7803, PGC 92 (from left to right), SDSS image | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 01 m 20.0 s |
| declination | + 13 ° 06 ′ 41 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.00 × 0.6 |
| Position angle | 85 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 7810 group HCG 100A |
| Redshift | 0.017899 ± 0.000020 |
| Radial velocity | 5366 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(246 ± 17) · 10 6 ly (75.5 ± 5.3) Mpc |
| diameter | 75,000 ly |
| history | |
| discovery | Lewis Swift |
| Discovery date | August 5, 1886 |
| Catalog names | |
| NGC 7803 • UGC 12906 • PGC 101 • CGCG 433-013 • MCG + 02-01-011 • IRAS 23587 + 1249 • 2MASX J00011996 + 1306406 • HCG 100A • GALEX ASC J000119.89 + 130639.6 | |
NGC 7803 is a lenticular galaxy of the Hubble type S0 / a in the constellation Pegasus north of the ecliptic . It is estimated to be 246 million light years from the Milky Way and around 70,000 light years across. The galaxy is listed as a member of the NGC-7810 group.
The Type Ib supernova SN 2007kj was observed here.
The object was discovered by Lewis Swift on August 5, 1886 .