NGC 6457
Galaxy NGC 6457 |
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SDSS recording | |
AladinLite | |
Constellation | Dragon |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .