NGC 6189
Galaxy NGC 6189 / NGC 6191 |
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AladinLite | |
Constellation | Dragon |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .