NGC 6919
| Galaxy NGC 6919 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | microscope |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 20 h 31 m 38.1 s |
| declination | -44 ° 12 ′ 59 ″ |
| Appearance | |
| Morphological type | SAB (s) c: |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 1.60 × 1.2 |
| Position angle | 145 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.022109 ± 0.000027 |
| Radial velocity | (6628 ± 8) km / s |
|
Stroke distance v rad / H 0 |
(296 ± 21) · 10 6 ly (90.7 ± 6.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 2, 1836 |
| Catalog names | |
| NGC 6919 • PGC 64883 • ESO 285-027 • MCG -07-42-011 • IRAS 20282-4423 • 2MASX J20313813-4412592 • SGC 202812-4423.2 • AGC 33531 • LDCE 1408 NED001 | |
NGC 6919 is a bar-spiral galaxy of the Hubble type SBc in the constellation Microscope in the southern sky . It is an estimated 296 million light years away from the Milky Way and about 140,000 light years in diameter .
The object was discovered by John Herschel on September 2, 1836 .