IC 1613
Galaxy IC 1613 |
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Image of the dwarf galaxy IC 1613 using the VST | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 01 h 04 m 47.8 s |
declination | + 02 ° 07 ′ 04 ″ |
Appearance | |
Morphological type | IB (s) m |
Brightness (visual) | 9.3 mag |
Brightness (B-band) | 9.9 likes |
Angular expansion | 16.6 ′ × 14.9 ′ |
Position angle | 50 ° |
Surface brightness | 15.1 mag / arcmin² |
Physical data | |
Affiliation | Local group |
Redshift | −0.000781 ± 0.000003 |
Radial velocity | −234 ± 1 km / s |
distance | approx. 2.4 million ly |
diameter | 11,000 ly |
history | |
discovery | Max Wolf |
Discovery date | September 1906 |
Catalog names | |
IC 1613 • UGC 668 • PGC 3844 • CGCG 384-68 • MCG + 00-03-70 • IRAS 01025 + 0153 • DDO 8 |
IC 1613 is an irregular dwarf galaxy of type IB (s) m in the constellation Cetus in the southern sky . It has an apparent magnitude of 9.3 mag and an angular dimension of 16.6 '× 14.9'. It is around 2.4 million light years away from the solar system and has a diameter of around 11,000 light years . The object is a member of the local group .
Most of the stars in IC 1613 are around 7 billion years old, but there are quite a few young stars as the GALEX image below shows. Among them are at least five population -II Cepheids and some RR Lyrae - variable .
The galaxy was discovered by the German astronomer Max Wolf in September 1906 .
Web links
- IC 1613 SIMBAD Database
- ESO: The Milky Way's Clean and Tidy Neighbor January 27, 2016
- astronews.com: A dust-free neighbor of the Milky Way January 27, 2016