NGC 6417
Galaxy NGC 6417 |
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AladinLite | |
Constellation | Hercules |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 17 h 41 m 47.8 s |
declination | + 23 ° 40 ′ 20 ″ |
Appearance | |
Morphological type | SB (r) b |
Brightness (visual) | 13.4 mag |
Brightness (B-band) | 14.2 mag |
Angular expansion | 1.4 ′ × 1.3 ′ |
Position angle | 45 ° |
Surface brightness | 13.9 mag / arcmin² |
Physical data | |
Redshift | 0.011064 +/- 0.000023 |
Radial velocity | 3317 +/- 7 km / s |
Stroke distance v rad / H 0 |
(156 ± 11) · 10 6 ly (47.7 ± 3.3) Mpc |
history | |
discovery | Albert Marth |
Discovery date | July 2, 1864 |
Catalog names | |
NGC 6417 • UGC 10945 • PGC 60709 • CGCG 141-004 • MCG + 04-42-001 • IRAS 17397 + 2341 • GC 5868 • |
NGC 6417 is a 13.4 mag bright barred spiral galaxy of the Hubble type SBb in the constellation Hercules and about 156 million light years from the Milky Way.
It was discovered by Albert Marth on July 2, 1864 .
Web links
- NGC 6417. SIMBAD, accessed August 1, 2016 .
- NGC 6417. DSO Browser, accessed August 1, 2016 .
- Auke Slotegraaf: NGC 6417. Deep Sky Observer's Companion, accessed on August 1, 2016 .