NGC 6403
| Galaxy NGC 6403 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | peacock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 43 m 23.5 s |
| declination | -61 ° 40 ′ 56 ″ |
| Appearance | |
| Morphological type | SA (rs) 0 ^ 0 ^ |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 11.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.016261 +/- 0.000150 |
| Radial velocity | 4875 +/- 45 km / s |
|
Stroke distance v rad / H 0 |
(213 ± 15) · 10 6 ly (65.4 ± 4.6) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 28, 1834 |
| Catalog names | |
| NGC 6403 • PGC 60750 • ESO 139-19 • SGC 173846-6139.5 • GC 4316 • h 3695 • LDCE 1277 NED014 | |
NGC 6403 is a 13.3 mag bright, lens-shaped galaxy of the Hubble-type S0 in the constellation Peacock and about 213 million light years from the Milky Way.
It was discovered on June 28, 1834 by John Herschel with an 18-inch reflector telescope, which was called “eeF. The following of two "noted. The other named object is NGC 6398 .