NGC 975
| Galaxy NGC 975 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 33 m 22.7 s |
| declination | + 09 ° 36 ′ 06 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.1 ′ × 0.8 ′ |
| Position angle | 0 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.020251 ± 0.000070 |
| Radial velocity | 6071 ± 21 km / s |
|
Stroke distance v rad / H 0 |
(273 ± 19) x 10 6 ly (83.8 ± 5.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | November 9, 1884 |
| Catalog names | |
| NGC 975 • UGC 2030 • PGC 9735 • CGCG 414-017 • MCG + 01-07-009 • GALEX ASC J023322.71 + 093607.1 | |
NGC 975 is a lenticular galaxy of the Hubble type S0 / a in the constellation Whale south of the ecliptic . It is an estimated 273 million light years from the Milky Way and about 85,000 light years in diameter.
The Type Ia supernova SN 2012E was observed here.
The object was discovered by Lewis Swift on November 9, 1884 .