NGC 3802
| Galaxy NGC 3802 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 40 m 18.8 s |
| declination | + 17 ° 45 ′ 55 ″ |
| Appearance | |
| Morphological type | S0 / a |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.1 ′ × 0.3 ′ |
| Position angle | 85 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 3800 group WBL 347 LGG 246 |
| Redshift | 0.011078 ± 0.000030 |
| Radial velocity | 3321 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(146 ± 10) · 10 6 ly (44.7 ± 3.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 17, 1784 |
| Catalog names | |
| NGC 3802 • UGC 6636 • PGC 36203 • CGCG 097-052 • MCG + 03-30-041 • IRAS 11377 + 1802 • 2MASX J11401906 + 1745564 • GC 2493 • H III 30 • h 940 • NSA 140032 • LDCE 831 NED009 • HOLM 273B | |
NGC 3802 is a spiral galaxy of Hubble type Sc in the constellation Leo north of the ecliptic . It is estimated to be 146 million light years from the Milky Way and about 45,000 light years across. Together with NGC 3801 , it forms the bound galaxy pair Holm 273 .
In the same area of the sky are u. a. the galaxies NGC 3790 , NGC 3803 , NGC 3806 , NGC 3807 .
The object was discovered by Wilhelm Herschel on March 17, 1784 .