NGC 6509
| Galaxy NGC 6509 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Snake bearer |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 59 m 25.27 s |
| declination | + 06 ° 17 ′ 13.3 ″ |
| Appearance | |
| Morphological type | SBcd |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.6 ′ × 1.2 ′ |
| Position angle | 105 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 416 |
| Redshift | 0.006041 ± 0.000001 |
| Radial velocity | 1811 ± 0 km / s |
|
Stroke distance v rad / H 0 |
(87 ± 6) · 10 6 ly (26.6 ± 1.9) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | July 20, 1879 |
| Catalog names | |
| NGC 6509 • UGC 11075 • PGC 61230 • CGCG 056-006 • MCG + 01-46-002 • IRAS 17569 + 0617 • 2MASX J17592526 + 0617134 • HIPASS J1759 + 06 | |
NGC 6509 is a bar-spiral galaxy of the Hubble-type SBcd in the constellation Serpent Bearer north of the celestial equator . It is estimated to be 87 million light years from the Milky Way and about 40,000 light years in diameter . Together with PGC 61214 and PGC 61300 , it forms the small galaxy group LGG 416 .
The object was discovered on July 20, 1879 by Édouard Stephan .
Web links
- NGC 6509. SIMBAD , accessed on 18 August 2019 (English).
- NGC 6509. DSO Browser, accessed August 18, 2016 .
- Auke Slotegraaf : NGC 6509. Deep Sky Observer's Companion, accessed on August 18, 2016 .