NGC 6189
| Galaxy NGC 6189 / NGC 6191 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 16 h 31 m 40.9 s |
| declination | + 59 ° 37 ′ 34 ″ |
| Appearance | |
| Morphological type | Scd |
| Brightness (visual) | 12.6 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 1.9 ′ × 0.9 ′ |
| Position angle | 20 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.018806 +/- 0.000017 |
| Radial velocity | 5638 +/- 5 km / s |
|
Stroke distance v rad / H 0 |
(260 ± 18) · 10 6 ly (79.7 ± 5.6) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | August 3, 1885 |
| Catalog names | |
| NGC 6189, 6191 • UGC 10442 • PGC 58440 • CGCG 298-043, 299-003 • MCG + 10-23-81 • IRAS 16307 + 5944 • | |
NGC 6189 = NGC 6191 is a 12.6 mag bright bar-spiral galaxy of the Hubble type SBc in the constellation Dragon . It is estimated to be 260 million light years from the Milky Way and about 140,000 ly in diameter.
The object was discovered by Lewis A. Swift on August 3, 1885 . Due to Swift's unclear description, his observation by NGC 6191 on July 6, 1886 is also assigned to this galaxy.
Web links
- NGC 6189. SIMBAD, accessed June 14, 2016 .
- NGC 6189. DSO Browser, accessed June 14, 2016 .
- Auke Slotegraaf: NGC 6189. Deep Sky Observer's Companion, accessed on June 14, 2016 .