NGC 6391
| Galaxy NGC 6391 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 28 m 49.0 s |
| declination | + 58 ° 51 ′ 03 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 90 ° |
| Surface brightness | 14.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.027124 +/- 0.000104 |
| Radial velocity | 8132 +/- 31 km / s |
|
Stroke distance v rad / H 0 |
(372 ± 26) x 10 6 ly (114.1 ± 8.0) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | September 1, 1886 |
| Catalog names | |
| NGC 6391 • PGC 60358 • CGCG 300-041 • MCG + 10-25-049 • 2MASX J17284891 + 5851032 • LDCE 1253 NED008 | |
NGC 6391 is a 14.5 mag bright elliptical galaxy of the Hubble type "E-S0" in the constellation Dragon in the northern sky . It is estimated to be 372 million light years away from the Milky Way and has a diameter of about 100,000 ly.
In the same area of the sky are the galaxies NGC 6393 , IC 1258 , IC 1259 , IC 1260 .
The object was discovered by Lewis A. Swift on September 1, 1886 .
Web links
- NGC 6391. SIMBAD, accessed July 31, 2016 .
- NGC 6391. DSO Browser, accessed July 31, 2016 .
- Auke Slotegraaf: NGC 6391. Deep Sky Observer's Companion, accessed July 31, 2016 .