NGC 3966
| Galaxy NGC 3966 / NGC 3986 |
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|---|---|
![NGC 3966 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC3986_-_SDSS_DR14.jpg)
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| NGC 3966 SDSS image | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 56 m 44.190 s |
| declination | + 32 ° 01 ′ 18.40 ″ |
| Appearance | |
| Morphological type | S0 / LINER |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 3.1 ′ × 0.7 ′ |
| Position angle | 110 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 3995 group LGG 259 |
| Redshift | 0.010884 ± 0.000030 |
| Radial velocity | 3263 ± 9 km / s |
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Stroke distance v rad / H 0 |
(146 ± 10) · 10 6 ly (44.7 ± 3.1) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | May 8, 1864 |
| Catalog names | |
| NGC 3966 • UGC 6920 • PGC 37544 • CGCG 157-058 • MCG + 05-28-053 • IRAS 11541 + 3217 • 2MASX J11564416 + 3201181 • GALEX ASC J115644.08 + 320118.8 • LDCE 852 NED002 • WISEA J115644.20 + 320118.4 | |
NGC 3966 = NGC 3986 is a lenticular galaxy of the Hubble type S0 / a with an active galaxy core in the constellation Great Bear in the northern sky . It is estimated to be 146 million light-years from the Milky Way and about 135,000 light-years across. Together with IC 2979 , it forms a gravitationally bound galaxy pair and is considered a member of the NGC 3995 group ( LGG 259 ).
In the same area of the sky are u. a. the galaxies NGC 3991 , NGC 3994 , IC 2978 , IC 2981 .
The object was discovered by Heinrich d'Arrest on May 8, 1864 .