NGC 7004
Galaxy NGC 7004 |
|
---|---|
AladinLite | |
Constellation | Indus |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .