NGC 6457
| Galaxy NGC 6457 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 42 m 52.8 s |
| declination | + 66 ° 28 ′ 34 ″ |
| Appearance | |
| Morphological type | S0- |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 1.2 ′ × 0.9 ′ |
| Position angle | 140 ° |
| Surface brightness | 14.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.027142 ± 0.000173 |
| Radial velocity | 8137 ± 52 km / s |
|
Stroke distance v rad / H 0 |
(372 ± 26) x 10 6 ly (114.2 ± 8.0) Mpc |
| history | |
| discovery | Edward Swift |
| Discovery date | June 8, 1885 |
| Catalog names | |
| NGC 6457 • UGC 10964 • PGC 60738 • CGCG 321-035, 322-005 • MCG + 11-21-021 • 2MASX J17425289 + 6628338 • LDCE 1262 NED006 | |
NGC 6457 is an approximately 14.3 mag bright E-S0-type galaxy in the constellation of Dragon and over 372 million light years from the Milky Way.
It was discovered on June 8, 1885 by Edward D. Swift .
Web links
- NGC 6457. SIMBAD, accessed August 2, 2016 .
- NGC 6457. DSO Browser, accessed August 2, 2016 .
- Auke Slotegraaf: NGC 6457. Deep Sky Observer's Companion, accessed on August 2, 2016 .