Columba-I dwarf galaxy

Database links to 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  . ${\displaystyle r_{h}=1,9_{-0,4}^{+0,5}}$ 

additional

• List of galaxies in the local group

Web links

Commons : Constellation Dove  - Collection of images, videos and audio files

• EIGHT ULTRA-FAINT GALAXY CANDIDATES DISCOVERED IN YEAR TWO OF THE DARK ENERGY SURVEY at: iop.org

Individual evidence

1. ^ NED
2. ↑ 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 .