NGC 307
Galaxy NGC 307 |
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NGC 307 with LEDA 212625 (o) SDSS image | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 00 h 56 m 32.58 s |
declination | -01 ° 46 ′ 19.0 ″ |
Appearance | |
Morphological type | S0 ^ 0 ^: |
Brightness (visual) | 12.8 mag |
Brightness (B-band) | 13.8 mag |
Angular expansion | 1.6 ′ × 0.7 ′ |
Position angle | 85 ° |
Surface brightness | 12.8 mag / arcmin² |
Physical data | |
Affiliation | NGC 271 group LGG 13 |
Redshift | 0.013376 ± 0.000073 |
Radial velocity | 4010 ± 22 km / s |
Stroke distance v rad / H 0 |
(182 ± 13) · 10 6 ly (55.9 ± 3.9) Mpc |
history | |
discovery | John Herschel |
Discovery date | September 6, 1831 |
Catalog names | |
NGC 307 • UGC 584 • PGC 3367 • CGCG 384-039 • MCG + 00-03-035 • GC 172 • GALEX ASC J005632.68-014617.1 • h 77 • LDCE 48 NED006 |
NGC 307 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the ecliptic . It is an estimated 182 million light-years from the Milky Way and about 85,000 light-years across. Together with six other galaxies, it forms the NGC 271 group ( LGG 13 ).
The Type Ia supernova SN 2008ee was observed here.
The object was discovered on September 6, 1831 by the British astronomer John Herschel .
Web links
Commons : NGC 307 - collection of images, videos, and audio files