IC 3946
| Galaxy IC 3946 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 58 m 48.7 s |
| declination | + 27 ° 48 ′ 37 ″ |
| Appearance | |
| Morphological type | SAB0 / a |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.70 '× 0.4' |
| Position angle | 80 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1656 |
| Redshift | 0.019563 ± 0.000033 |
| Radial velocity | 5865 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(263 ± 18) · 10 6 ly (80.5 ± 5.6) Mpc |
| history | |
| discovery | Hermann Kobold |
| Discovery date | May 12, 1896 |
| Catalog names | |
| IC 3946 • PGC 44508 • CGCG 160-210 • MCG + 05-31-050 • 2MASX J12584869 + 2748368 • GALEX ASC J125848.73 + 274838.0 • LDCE 926 NED039 | |
IC 3946 is a lenticular galaxy of the Hubble type S0 in the constellation Coma Berenices in the northern sky . It is an estimated 263 million light years away from the Milky Way and has a diameter of about 55,000 ly. The galaxy is considered a member of the Coma galaxy cluster Abell 1656 .
The galaxies IC 3947 , IC 3949 , IC 3957 , IC 3959 are located in the same area of the sky .
The object was discovered by Hermann Kobold on May 12, 1896 .