NGC 6303
| Galaxy NGC 6303 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 05 m 02.769 s |
| declination | + 68 ° 49 ′ 39.27 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.3 ′ × 0.8 ′ |
| Position angle | 60 ° |
| Surface brightness | 13.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.040501 ± 0.000110 |
| Radial velocity | (12,142 ± 33) km / s |
|
Stroke distance v rad / H 0 |
(551 ± 38) · 10 6 Lj (168.9 ± 11.8) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | October 14, 1884 |
| Catalog names | |
| NGC 6303 • UGC 10711 • PGC 59573 • CGCG 321-013 • MCG + 12-16-017 • 2MASX J17050269 + 6849389 • GALEX ASC J170502.86 + 684938.6 • NVSS J170503 + 684936 | |
NGC 6303 is a 13.8 likes bright elliptical radio galaxy from the Hubble type E4 in the constellation Draco the northern sky . It is an estimated 551 million light years away from the Milky Way and is approximately 210,000 light years in diameter.
The object was discovered by Lewis A. Swift on October 14, 1884 .
Web links
- NGC 6303. SIMBAD , accessed July 19, 2019 .
- NGC 6303. DSO Browser, accessed July 19, 2016 .
- Auke Slotegraaf : NGC 6303. Deep Sky Observer's Companion, accessed on July 19, 2016 .