Tucana III dwarf galaxy
Galaxy Tucana III dwarf galaxy |
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Tucana 3 | |
AladinLite | |
Constellation | Toucan |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 23 h 56 m 36.0 s |
declination | -59 ° 36 ′ 0.0 ″ |
Appearance | |
Morphological type | dSph |
Brightness (visual) | (14.16 ± 0.42) mag |
Physical data | |
Affiliation | Local group |
distance | (81,500 ± 6,500) ly / (25,000 ± 2,000) pc |
Absolute brightness | (−2.4 ± 0.42) mag |
history | |
discovery | Dark Energy Survey |
Discovery date | 2015 |
Catalog names | |
Tuc III dSph |
The Tucana III dwarf galaxy , also Tucana III or Tucana 3 for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Tukan in the Local Group and one of the satellite galaxies of the Milky Way .
properties
Tuc III dSph has a half-light radius of ′ , which corresponds to a size of (44 ± 6) pc at a distance of about 25 kpc .
additional
Web links
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 .