NGC 4002
| Galaxy NGC 4002 |
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|---|---|
![NGC 4002 with LEDA 1683647 (ro) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4002_-_SDSS_DR14.jpg)
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| NGC 4002 with LEDA 1683647 (ro) 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 59.299 s |
| declination | + 23 ° 12 ′ 07.35 ″ |
| Appearance | |
| Morphological type | S0 / a / Quasar ? |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 1.10 ′ × 0.6 ′ |
| Position angle | 111 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.021959 ± 0.000143 |
| Radial velocity | 6583 ± 43 km / s |
|
Stroke distance v rad / H 0 |
(293 ± 21) · 10 6 ly (89.7 ± 6.3) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 10, 1785 |
| Catalog names | |
| NGC 4002 • PGC 37635 • CGCG 127-116 • MCG + 04-28-104 • 2MASX J11575931 + 2312070 • GC 2643 • H III 344 • h 1034 • GALEX ASC J115759.23 + 231209.3 • KPG 312A LDCE 851 NED007 • NVSS J115759 +231151 | |
NGC 4002 is a spiral galaxy of Hubble type Sab in the constellation Leo on the ecliptic . It is an estimated 293 million light years away from the Milky Way and has a disk diameter of around 95,000 light years. Together with NGC 4003 , it forms the gravitationally bound galaxy pair KPG 312 .
In the same area of the sky are u. a. the galaxies NGC 3983 and IC 744 .
The object was discovered by Wilhelm Herschel on April 10, 1785 .