NGC 3972
| Galaxy NGC 3972 |
|
|---|---|
|
|
| Image of the galaxy NGC 3972, Hubble Space Telescope | |
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 55 m 45.1 s |
| declination | + 55 ° 19 ′ 15 ″ |
| Appearance | |
| Morphological type | SA (s) bc |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 3.7 ′ × 1 ′ |
| Position angle | 120 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 241 |
| Redshift | 0.002843 ± 0.000005 |
| Radial velocity | (852 ± 1) km / s |
|
Stroke distance v rad / H 0 |
(42 ± 3) x 10 6 ly (12.8 ± 0.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 14, 1789 |
| Catalog names | |
| NGC 3972 • UGC 6904 • PGC 37466 • CGCG 269-016 • MCG + 09-20-032 • IRAS 11531 + 5535 • 2MASX J11554511 + 5519144 • GC 2618 • H II 789 • LDCE 0867 NED049 | |
NGC 3972 is a bar- type spiral galaxy of the SBbc type in the constellation Great Bear in the northern sky , which is an estimated 42 million light years from the Milky Way .
The galaxy was discovered by the astronomer William Herschel on April 14, 1789 using his 18.7 inch telescope.
On April 26, 2011, from Zhangwei Jin (Ningbo, Zhejiang , China ) and Xing Gao (Urumqi, Xinjiang , China), a supernova discovered type Ia north of the center of NGC 3927th