NGC 864
| Galaxy data from NGC 864 |
|
|---|---|
 |
|
| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 15 m 27.64 s |
| declination | + 06 ° 00 ′ 09.4 ″ |
| Appearance | |
| Morphological type | SAB (rs) c / HII |
| Brightness (visual) | 11.0 mag |
| Brightness (B-band) | 11.7 mag |
| Angular expansion | 4.7 'x 3.5' |
| Position angle | 20 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.005210 +/- 0.000004 |
| Radial velocity | 1562 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(72 ± 5) x 10 6 ly (22.0 ± 1.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | October 25, 1785 |
| Catalog names | |
| NGC 864 • UGC 1736 • PGC 8631 • CGCG 413-066 • MCG + 01-06-061 • IRAS 02128 + 0546 • 2MASX J02152764 + 0600094 • GC 510 • H III 457 • h 206 • HIPASS J0215 + 06 | |
NGC 864 is a barred spiral galaxy with extensive star formation from Hubble type SBc in the constellation Cetus south of the ecliptic . It is an estimated 72 million light years away from the Milky Way and has a diameter of about 95,000 ly.
In the same area of the sky are the galaxies IC 214 and IC 1786 .
The object was discovered by Wilhelm Herschel on October 25, 1785 .
Web links
Individual evidence