NGC 4650
| Galaxy NGC 4650 |
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|---|---|
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| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 44 m 19.6 s |
| declination | -40 ° 43 ′ 55 ″ |
| Appearance | |
| Morphological type | SB (rs) a |
| Brightness (visual) | 11.8 mag |
| Brightness (B-band) | 12.7 mag |
| Angular expansion | 3.2 ′ × 2.7 ′ |
| Position angle | 164 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Affiliation | Centaurus cluster IC 3370 group LGG 298 |
| Redshift | 0.009850 ± 0.000123 |
| Radial velocity | 2953 ± 37 km / s |
|
Stroke distance v rad / H 0 |
(124 ± 9) · 10 6 ly (38.0 ± 2.7) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 26, 1834 |
| Catalog names | |
| NGC 4650 • PGC 42891 • ESO 322-067 • MCG -07-26-038 • IRAS 12415-4027 • 2MASX J12441959-4043546 • SGC 124136-4027.5 • GC 3183 • h 3413 • GALEX ASC J124419.84-404351.0 • LDCE 916 NED061 | |
NGC 4650 is an 11.8 mag bright bar spiral galaxy of the Hubble type SBa in the constellation Centaur in the southern sky . It is estimated to be 124 million light years from the Milky Way , about 120,000 light years in diameter, and a member of the Centaurus Galaxy Cluster .
In the same area of the sky are u. a. the galaxies NGC 4603 , NGC 4616 , NGC 4622 , NGC 4661 .
The object was discovered on June 26, 1834 by John Herschel with an 18-inch reflector telescope, which it labeled “vF, R, bM, resolvable. Wind violent ”.