IC 391
| Galaxy IC 391 |
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|---|---|
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| Image of galaxy IC 391 with the Hubble Space Telescope | |
| AladinLite | |
| Constellation | giraffe |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 04 h 57 m 21.1 s |
| declination | + 78 ° 11 ′ 20 ″ |
| Appearance | |
| Morphological type | SA (s) c |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.0 likes |
| Angular expansion | 1.10 'x 1.1' |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.005190 ± 0.000027 |
| Radial velocity | 1556 ± 8 km / s |
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Stroke distance v rad / H 0 |
(76 ± 5) · 10 6 ly (23.4 ± 1.6) Mpc |
| history | |
| discovery | William Denning |
| Discovery date | November 7, 1890 |
| Catalog names | |
| IC 391 • UGC 3190 • PGC 16402 • CGCG 347-009 • MCG + 13-04-011 • IRAS F04497 + 7806, 0449 + 781P05 • KUG 0449 + 781 • 2MASX J04572110 + 7811195 • ISOSS J04573 + 7812 • • UZC J045721. 3 + 781126 • K73 155 • Z 0449.5 + 7807 • PSCz Q04497 + 7806 • Z 347-9 • [SLK2004] 464 | |
IC 391 is a spiral galaxy of Hubble type Sc / P in the constellation Giraffe at the northern sky . It is around 76 million light years away from the Milky Way and has a diameter of around 25,000 light years .
The object was listed in his index catalog on November 7, 1890 by the astronomer William Frederick Denning and later by Johan Dreyer .
Web links
Individual evidence
Attention: The sort key “IC 0391” overwrites the previously used key “IC0391”.