NGC 6393
| Galaxy NGC 6393 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 30 m 08.4 s |
| declination | + 59 ° 31 ′ 55 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 15.7 mag |
| Brightness (B-band) | 16.5 mag |
| Angular expansion | 0.3 ′ × 0.3 ′ |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.022041 +/- 0.000050 |
| Radial velocity | 6608 +/- 15 km / s |
|
Stroke distance v rad / H 0 |
(304 ± 21) · 10 6 ly (93.2 ± 6.5) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | July 7, 1885 |
| Catalog names | |
| NGC 6393 • PGC 60405 • MCG + 10-25-054 • KUG 1729 + 595 • | |
NGC 6393 is a 15.7 mag bright spiral galaxy of the Hubble type S? in the constellation Dragon .
It was discovered by Lewis A. Swift on July 7, 1885 .
NGC 6393 and NGC 6394 are sometimes interchanged in modern catalogs; in the catalog NGC 6393 is given in the southern position.
Web links
- NGC 6393. SIMBAD, accessed July 31, 2016 .
- NGC 6393. DSO Browser, accessed July 31, 2016 .
- Auke Slotegraaf: NGC 6393. Deep Sky Observer's Companion, accessed July 31, 2016 .