NGC 7443
| Galaxy NGC 7443 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Aquarius |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 00 m 08.8 s |
| declination | -12 ° 48 ′ 28 ″ |
| Appearance | |
| Morphological type | SB (s) 0 + : / sp |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.4 ′ × 0.5 ′ |
| Position angle | 36 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 468 |
| Redshift | 0.011701 +/- 0.000023 |
| Radial velocity | 3508 +/- 7 km / s |
|
Stroke distance v rad / H 0 |
(161 ± 11) · 10 6 ly (49.3 ± 3.5) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | October 3, 1785 |
| Catalog names | |
| NGC 7443 • PGC 70218 • MCG -02-58-015 • 2MASX J23000884-1248284 • GC 4876 • H II 450 • h 2197 • LDCE 1549 NED001 | |
NGC 7443 is a lenticular galaxy of the Hubble type S0 / a in the constellation Aquarius on the ecliptic . It is estimated to be 161 million light years away from the Milky Way and has a diameter of around 65,000
ly . It is likely to form a gravitationally bound galaxy pair with NGC 7444 .
The object was discovered by Wilhelm Herschel on October 3, 1785 .
NGC 7443 group ( LGG 468 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 7443 | PGC 70218 | 161 |
| NGC 7444 | PGC 70219 | 145 |
| NGC 7450 | PGC 70252 | 146 |