NGC 6399
| Galaxy NGC 6399 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 31 m 50.3 s |
| declination | + 59 ° 36 ′ 56 ″ |
| Appearance | |
| Morphological type | S0-a |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.1 ′ × 0.6 ′ |
| Position angle | 5 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.035988 ± 0.000121 |
| Radial velocity | 10789 ± 36 km / s |
|
Stroke distance v rad / H 0 |
(491 ± 34) · 10 6 ly (150.5 ± 10.5) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | July 7, 1885 |
| Catalog names | |
| NGC 6399 • UGC 10896 • PGC 60442 • CGCG 300-047 • MCG + 10-25-059 • | |
NGC 6399 is a 13.8 mag bright lenticular galaxy of the Hubble type S0-a in the constellation of Dragon and about 491 million light years from the Milky Way.
It was discovered by Lewis A. Swift on July 7, 1885 .
Web links
- NGC 6399. SIMBAD, accessed July 31, 2016 .
- NGC 6399. DSO Browser, accessed July 31, 2016 .
- Auke Slotegraaf: NGC 6399. Deep Sky Observer's Companion, accessed July 31, 2016 .