Columba-I dwarf galaxy
Galaxy Columba-I dwarf galaxy |
|
---|---|
Columba 1 | |
AladinLite | |
Constellation | Dove |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 05 h 31 m 26.4 s |
declination | -28 ° 01 ′ 48.0 ″ |
Appearance | |
Morphological type | dSph |
Brightness (visual) | (16.8 ± 0.17) mag |
Physical data | |
Affiliation | Local group |
distance | (593,000 ± 59,000) Lj / (182,000 ± 18,000) pc |
Absolute brightness | (−4.5 ± 0.17) mag |
history | |
discovery | Dark Energy Survey |
Discovery date | 2015 |
Catalog names | |
Col I dSph |
The Columba I dwarf galaxy , also Columba I or Columba 1 for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Dove in the Local Group and one of the satellite galaxies of the Milky Way .
properties
Col I dSph has a half-light radius of ′ , which corresponds to a size of (103 ± 25) pc at a distance of about 182 kpc .
additional
Web links
Commons : Constellation Dove - Collection of images, videos and audio files
Individual evidence
- ^ NED
- ↑ A. Drlica Wagner: Eight ultra-faint galaxy candidates discovered in Year Two of the Dark Energy Survey . In: The Astrophysical Journal . 813, No. 2, November 4, 2015, p. 109. doi : 10.1088 / 0004-637X / 813/2/109 .