NGC 4003
| Galaxy NGC 4003 |
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|---|---|
![NGC 4003 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4003_-_SDSS_DR14.jpg)
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| NGC 4003 SDSS image | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 57 m 59.038 s |
| declination | + 23 ° 07 ′ 29.63 ″ |
| Appearance | |
| Morphological type | SB0 / LINER |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.50 ′ × 0.9 ′ |
| Position angle | 151 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.021712 ± 0.000107 |
| Radial velocity | 6509 ± 32 km / s |
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Stroke distance v rad / H 0 |
(289 ± 20) x 10 6 ly (88.7 ± 6.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 10, 1785 |
| Catalog names | |
| NGC 4003 • UGC 6948 • PGC 37646 • CGCG 127-115 • MCG + 04-28-105 • 2MASX J11575902 + 2307300 • GC 2644 • H III 345 • h 1035 • GALEX ASC J115759.07 + 230730.0 • KPG 312B • LDCE 851 NED006 • NVSS J115759 + 230720 | |
NGC 4003 is a lenticular galaxy of the Hubble type SB0 with an active galaxy core in the constellation Leo on the ecliptic . It is estimated to be 289 million light years from the Milky Way and about 130,000 light years in diameter. Together with NGC 4002 , it forms the gravitationally bound galaxy pair KPG 312 .
The galaxies NGC 3983 and IC 744 are in the same area of the sky .
The object was discovered by Wilhelm Herschel on April 10, 1785 .