NGC 5308
Galaxy NGC 5308 |
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NGC 5308 and SDSS J134646.18 + 605911.9 ( Hubble Space Telescope ) | |
AladinLite | |
Constellation | Big Bear |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 13 h 47 m 00.4 s |
declination | + 60 ° 58 ′ 23 ″ |
Appearance | |
Morphological type | S0- |
Brightness (visual) | 11.4 mag |
Brightness (B-band) | 12.4 mag |
Angular expansion | 3.7 ′ × 0.7 ′ |
Position angle | 60 ° |
Surface brightness | 12.3 mag / arcmin² |
Physical data | |
Affiliation | LGG 360 |
Redshift | 0.006665 ± 0.000017 |
Radial velocity | 1998 ± 5 km / s |
Stroke distance v rad / H 0 |
(95 ± 7) x 10 6 ly (29.1 ± 2.0) Mpc |
history | |
discovery | Wilhelm Herschel |
Discovery date | March 19, 1790 |
Catalog names | |
NGC 5308 • UGC 8722 • PGC 48860 • CGCG 295-012 • MCG + 10-20-29 • 2MASX J13470039 + 6058229 • GC 3662 • H I 255 • h 1647 • LDCE 1005 NED002 |
NGC 5308 is a lenticular galaxy of Hubble type S0 in the constellation Ursa Major at the northern sky , the estimated 95 million light-years from the Milky Way 's center.
The object was discovered on March 19, 1790 by Wilhelm Herschel with the help of his 18.7-inch reflector telescope and was later included in his New General Catalog by Johan Dreyer .
Web links
- astronews.com: Picture of the day May 17, 2016