NGC 4730
| Galaxy NGC 4730 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 52 m 00.5 s |
| declination | -41 ° 08 ′ 50 ″ |
| Appearance | |
| Morphological type | SA (r) 0-: |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.0 ′ × 1.0 ′ |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 3526 |
| Redshift | 0.006981 +/- 0.000014 |
| Radial velocity | 2093 +/- 4 km / s |
|
Stroke distance v rad / H 0 |
(86 ± 6) · 10 6 ly (26.3 ± 1.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 8, 1834 |
| Catalog names | |
| NGC 4730 • PGC 43611 • ESO 323-17 • MCG -07-27-003 • 2MASX J12520048-4108488 • SGC 124914-4052.5 • GC 3253 • h 3431 • LEDA 43611 • LDCE 916 NED107 | |
NGC 4730 is a 12.7 mag bright elliptical dwarf galaxy of the Hubble type E / S0 in the constellation Centaur in the southern sky . It is estimated to be 86 million light years from the Milky Way and about 25,000 light years across .
In the same area of the sky are u. a. the galaxies NGC 4706 , NGC 4729 , NGC 4743 , NGC 4744 .
The object was discovered on June 8, 1834 by John Herschel with an 18-inch reflector telescope, who only wrote “The second of three”.