NGC 7004
| Galaxy NGC 7004 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Indus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 21 h 04 m 02.2 s |
| declination | -49 ° 06 ′ 51 ″ |
| Appearance | |
| Morphological type | (R'_2) SAB (s) a |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.30 ′ × 0.6 ′ |
| Position angle | 73 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.025284 ± 0.000133 |
| Radial velocity | 7580 ± 40 km / s |
|
Stroke distance v rad / H 0 |
(337 ± 24) x 10 6 ly (103.4 ± 7.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 2, 1834 |
| Catalog names | |
| NGC 7004 • PGC 66019 • ESO 235-046 • IRAS F21006-4918 • 2MASX J21040216-4906512 • SGC 210034-4918.7 • GALEX ASC J210402.39-490651.9 • LDCE 1436 NED006 | |
NGC 7004 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Indians in the southern sky . It is an estimated 337 million light years from the Milky Way and about 130,000 light years across.
The galaxy NGC 7002 is located in the same area of the sky .
The object was discovered by John Herschel on October 2, 1834 .