NGC 4220
| Galaxy NGC 4220 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Hunting dogs |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 16 m 11.7 s |
| declination | + 47 ° 53 '00 ″ |
| Appearance | |
| Morphological type | SA (r) 0+ / LINER / HII |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.2 mag |
| Angular expansion | 3.9 ′ × 1.5 ′ |
| Position angle | 141 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | UMa cluster NGC 3992 group LGG 258 |
| Redshift | 0.003049 ± 0.000004 |
| Radial velocity | (914 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(44 ± 3) x 10 6 ly (13.4 ± 0.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 9, 1788 |
| Catalog names | |
| NGC 4220 • UGC 7290 • PGC 39285 • CGCG 243-055 • MCG + 08-22-089 • IRAS 12137 + 4809 • 2MASX J12161173 + 4753000 • GC 2811 • H I 209 • h 1151 • LDCE 867 NED094 | |
NGC 4220 is an active lenticular galaxy with extensive star formation regions of the Hubble type S0 / a in the constellation Canes Venatici in the northern sky . It is estimated to be 44 million light years from the Milky Way and about 50,000 light years across . In the same area of the sky are u. a. the galaxies NGC 4218 , NGC 4231 , NGC 4232 , NGC 4248 .
The supernova SN 1983O was observed here.
The object was discovered on March 9, 1788 by the astronomer Wilhelm Herschel with the help of his 18.7 inch telescope.
Web links
Commons : NGC 4220 - collection of images, videos, and audio files
