NGC 6518
| Galaxy NGC 6518 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 59 m 43.739 s |
| declination | + 28 ° 52 ′ 59.99 ″ |
| Appearance | |
| Morphological type | C. |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.9 mag |
| Angular expansion | 0.4 ′ × 0.4 ′ |
| Surface brightness | 11.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.022459 ± 0.000110 |
| Radial velocity | 6733 ± 33 km / s |
|
Stroke distance v rad / H 0 |
(309 ± 22) x 10 6 ly (94.7 ± 6.6) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | June 18, 1884 |
| Catalog names | |
| NGC 6518 • PGC 61238 • CGCG 171-041 • MCG + 05-42-024 • 2MASX i J1759437 + 285159 • GALEX ASC J175943.60 + 285159.4 • LDCE 1280 NED007 | |
NGC 6518 is a 13.9 mag bright compact galaxy of the Hubble type C in the constellation Hercules in the northern sky . It is estimated to be 309 million light years from the Milky Way and about 35,000 light years across .
The object was discovered on June 18, 1884 by Édouard Stephan .
Web links
- NGC 6518. SIMBAD , accessed August 31, 2019 .
- NGC 6518. DSO Browser, accessed August 31, 2016 .
- Auke Slotegraaf : NGC 6518. Deep Sky Observer's Companion, accessed on August 31, 2016 .