NGC 4689
| Galaxy NGC 4689 |
|
|---|---|
|
|
| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 47 m 45.5 s |
| declination | + 13 ° 45 ′ 46 ″ |
| Appearance | |
| Morphological type | SA (rs) bc / Sy / LINER |
| Brightness (visual) | 10.7 mag |
| Brightness (B-band) | 11.5 likes |
| Angular expansion | 4.3 ′ × 3.5 ′ |
| Position angle | 160 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo Cluster Messier 87 Group NGC 4639 Group NGC 4486 Group LGG 289 |
| Redshift | 0.005390 ± 0.000017 |
| Radial velocity | 1616 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(70 ± 5) · 10 6 ly (21.6 ± 1.5) Mpc |
| diameter | 70,000 ly |
| history | |
| discovery | William Herschel |
| Discovery date | April 12, 1784 |
| Catalog names | |
| NGC 4689 • UGC 7965 • PGC 43186 • CGCG 071-043 • MCG + 02-33-022 • IRAS 12452 + 1402 • 2MASX J12474552 + 1345456 • VCC 2058 • GC 3219 • H II 128 • h 1431 • HIPASS J1247 + 13 • LDCE 904 NED248 • EVCC 1166 | |
NGC 4689 is a spiral galaxy with an active nucleus of the Hubble type Sbc in the constellation Coma Berenices in the northern sky . It is estimated to be 70 million light years away from the Milky Way and about 95,000 light years in diameter. It is listed as a member of the Virgo Galaxy Cluster under catalog number VCC 2058 .
In the same area of the sky are u. a. the galaxies NGC 4659 , NGC 4752 , IC 3735 , IC 3742 .
The object was discovered by Wilhelm Herschel on April 12, 1784 .
High-resolution image of the center using the Hubble space telescope
