IC 43
| Galaxy IC 43 |
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|---|---|
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| IC 43 with LEDA 212583 (ro), SDSS image | |
| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 42 m 22.0 s |
| declination | + 29 ° 38 ′ 30 ″ |
| Appearance | |
| Morphological type | SABc |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.5 ′ × 1.2 ′ |
| Position angle | 117 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 266 group NGC 315 group LGG 14 |
| Redshift | 0.016201 ± 0.000017 |
| Radial velocity | 4857 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(224 ± 16) x 10 6 ly (68.7 ± 4.8) Mpc |
| diameter | 100,000 ly |
| history | |
| discovery | Guillaume Bigourdan |
| Discovery date | November 15, 1889 |
| Catalog names | |
| IC 43 • UGC 448 • PGC 2536 • MCG + 05-02-040 • IRAS 00396 + 2922 • 2MASX J00422206 + 2938298 • LDCE 39 NED006 | |
IC 43 is a spiral galaxy of Hubble type Sc in the constellation Andromeda on the northern sky . It is an estimated 224 million light years away from the Milky Way and about 105,000 light years in diameter.
The galaxies NGC 183 , NGC 184 , NGC 233 , NGC 243 are located in the same area of the sky .
The supernovae SN 1973U (Type-II) and SN 2015ag (Type-Ic) were observed here.
The object was discovered on November 15, 1889 by Guillaume Bigourdan .