IC 307
Galaxy IC 307 |
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IC 307 with LEDA 1147803 (lu) | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 03 h 13 m 45.2 s |
declination | -00 ° 14 ′ 29 ″ |
Appearance | |
Morphological type | (R) SB (r) a / NLAGN |
Brightness (visual) | 13.4 mag |
Brightness (B-band) | 14.3 mag |
Angular expansion | 1.7 ′ × 0.8 ′ |
Position angle | 73 ° |
Surface brightness | 13.6 mag / arcmin² |
Physical data | |
Redshift | 0.025981 ± 0.000023 |
Radial velocity | 7789 ± 7 km / s |
Stroke distance v rad / H 0 |
(347 ± 24) x 10 6 ly (106.5 ± 7.5) Mpc |
history | |
discovery | Stéphane Javelle |
Discovery date | December 14, 1891 |
Catalog names | |
IC 307 • UGC 2600 • PGC 12017 • CGCG 390-028 • MCG + 00-09-027 • IRAS 03112-0025 • 2MASX J03134522-0014295 • GALEX ASC J031345.09-001427.8 • LDCE 234 NED013 |
IC 307 is a bar-spiral galaxy with an active nucleus of the Hubble type SBa in the constellation Whale south of the ecliptic . It is an estimated 347 million light years away from the Milky Way and about 180,000 light years in diameter.
The type IIb supernova SN 2005em was observed here.
The object was discovered by Stéphane Javelle on December 14, 1891 .