NGC 3821
| Galaxy NGC 3821 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 42 m 09.1 s |
| declination | + 20 ° 18 ′ 56 ″ |
| Appearance | |
| Morphological type | (R) SAB (s) ab / RET |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.4 ′ × 1.3 ′ |
| Position angle | 165 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 249 |
| Redshift | 0.019227 ± 0.000017 |
| Radial velocity | (5764 ± 5) km / s |
|
Stroke distance v rad / H 0 |
(255 ± 18) · 10 6 ly (78.3 ± 5.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 26, 1785 |
| Catalog names | |
| NGC 3821 • UGC 6663 • PGC 36314 • CGCG 127-032 • MCG + 04-28-030 • 2MASX J11420907 + 2018567 • GC 2506 • H III 376 • h 949 • LDCE 0836 NED011 | |
NGC 3821 is a barred spiral galaxy of the Hubble type SBab in the constellation Leo. It is an estimated 255 million light years from the Milky Way .
The object was discovered on April 26, 1785 by the German-British astronomer Wilhelm Herschel .