NGC 3681
| Galaxy NGC 3681 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 26 m 29.8 s |
| declination | + 16 ° 51 ′ 47 ″ |
| Appearance | |
| Morphological type | SAB (r) bc / LINER |
| Brightness (visual) | 11.6 mag |
| Brightness (B-band) | 12.4 mag |
| Angular expansion | 3 ′ × 2.2 ′ |
| Position angle | 170 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 237 |
| Redshift | 0.004133 ± 0.000013 |
| Radial velocity | 1239 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(52 ± 4) x 10 6 ly (16.0 ± 1.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 17, 1784 |
| Catalog names | |
| NGC 3681 • UGC 6445 • PGC 35193 • CGCG 096-045 • MCG + 03-29-048 • IRAS 11238 + 1708 • 2MASX J11262980 + 1651475 • J11263106 + 1652010 • GC 2419 • H II 159 • h 891/3343 • NSA 159834 • LDCE 778 NED039 | |
NGC 3681 is a bar-spiral galaxy with an active nucleus of the Hubble-type SBbc in the constellation Leo on the ecliptic . It is estimated to be 52 million light years away from the Milky Way and has a diameter of 45,000 ly.
In the same area of the sky there are u. a. the galaxies NGC 3655 , NGC 3684 , NGC 3686 , NGC 3691 .
The object was discovered by Wilhelm Herschel on April 17, 1784 .