NGC 3220
| Galaxy NGC 3220 / IC 604 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 23 m 44.6 s |
| declination | + 57 ° 01 ′ 37 ″ |
| Appearance | |
| Morphological type | Sb: / sp |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.3 ′ × 0.5 ′ |
| Position angle | 97 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 3264 group WBL 265-004 LGG 201 |
| Redshift | 0.003903 ± 0.000020 |
| Radial velocity | 1170 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(55 ± 4) · 10 6 ly (16.9 ± 1.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 8, 1793 |
| Catalog names | |
| NGC 3220 • IC 604 • UGC 5614 • PGC 30462 • CGCG 290-034 • MCG + 10-15-073 • 2MASX J10234426 + 5701375 • GC 2082 • H III 911 • NSA 158263 • HOLM 182B | |
NGC 3220 = IC 604 is a spiral dwarf galaxy of the Hubble type Sb in the constellation Great Bear in the northern sky . It is estimated to be 55 million light years away from the Milky Way and has a diameter of around 20,000 ly. Together with NGC 3214 , it forms the optical pair of galaxies Holm 182 .
In the same area of the sky are u. a. the galaxies NGC 3206 and NGC 3238 .
The object was discovered on April 8, 1793 by William Herschel .
Web links
Commons : NGC 3220 - collection of images, videos, and audio files
