NGC 682
Galaxy NGC 682 |
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AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 49 m 04.6 s |
declination | -14 ° 58 ′ 29 ″ |
Appearance | |
Morphological type | SA0- |
Brightness (visual) | 13.4 mag |
Brightness (B-band) | 14.4 mag |
Angular expansion | 1.4 ′ × 1.1 ′ |
Position angle | 95 ° |
Surface brightness | 13.9 mag / arcmin² |
Physical data | |
Redshift | 0.018686 ± 0.000063 |
Radial velocity | 5602 ± 19 km / s |
Stroke distance v rad / H 0 |
(250 ± 18) x 10 6 ly (76.7 ± 5.4) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | December 30, 1785 |
Catalog names | |
NGC 682 • PGC 6663 • MCG -03-05-022 • 2MASX J01490460-1458295 • GC 406 • H II 501 • h 154 • GALEX ASC J014904.49-145830.6 • LDCE 108 NED003 |
NGC 682 is an elliptical galaxy of Hubble type E / S0 in the constellation Cetus south of the ecliptic . It is estimated to be 250 million light years from the Milky Way and about 105,000 light years in diameter .
The object was discovered on December 30, 1785 by the German-British astronomer Wilhelm Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 682. Deep Sky Observer's Companion, accessed on September 18, 2015 .