NGC 6889
| Galaxy NGC 6889 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 18 m 53.2 s |
| declination | -53 ° 57 ′ 25 ″ |
| Appearance | |
| Morphological type | SBbc? / pec |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 0.90 x 0.7 |
| Position angle | 63 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.008456 ± 0.000010 |
| Radial velocity | 2535 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(111 ± 8) x 10 6 ly (34.1 ± 2.4) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | June 9, 1835 |
| Catalog names | |
| NGC 6889 • PGC 064464 • ESO 186-029 • IRAS 20151-5406 • 2MASX J20185325-5357254 • SGC 201503-5406.8 • GALEX ASC J201853.00-535726.6 | |
NGC 6889 is a bar-spiral galaxy of the Hubble-type SBbc in the pendulum clock in the southern sky . It is an estimated 111 million light years away from the Milky Way and about 30,000 light years across.
In the same area of the sky is u. a. the galaxy IC 4994 .
The object was discovered by the astronomer John Herschel on June 9, 1835.