NGC 6893
| Galaxy NGC 6893 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 20 m 49.6 s |
| declination | -48 ° 14 ′ 22 ″ |
| Appearance | |
| Morphological type | (L) SA (rs) 0 + |
| Brightness (visual) | 11.7 mag |
| Brightness (B-band) | 12.7 mag |
| Angular expansion | 2.6 ′ × 1.7 ′ |
| Position angle | 10 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | Telescopium group NGC 6868 group LGG 430 |
| Redshift | 0.010194 ± 0.000087 |
| Radial velocity | 3056 ± 26 km / s |
|
Stroke distance v rad / H 0 |
(135 ± 9) · 10 6 ly (41.5 ± 2.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | July 7, 1834 |
| Catalog names | |
| NGC 6893 • PGC 64507 • ESO 234-006 • IRAS 20172-4824 • 2MASX J20204964-4814206 • SGC 201714-4823.9 • GC 4564 • h 3825 • SUMSS J202049-481421 • LDCE 1384 NED009 | |
NGC 6893 is a lenticular galaxy of the Hubble type SB0 in the constellation Telescope in the southern sky . It is estimated to be 135 million light years from the Milky Way and about 105,000 light years across .
The object was discovered by astronomer John Herschel on July 7, 1834 with a 47.5 cm reflector telescope .