Tucana V dwarf galaxy

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Galaxy
Tucana V dwarf galaxy
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Tucana 5
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AladinLite
Constellation Toucan
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 23 h 37 m 24.0 s
declination -63 ° 16 ′ 12.0 ″
Appearance
Morphological type dSph  
Brightness  (visual) (17.11 ± 0.49) mag
Physical data
Affiliation Local group  
distance (179,000 ± 29,000) ly /
(55,000 ± 9,000) pc
Absolute brightness (−1.6 ± 0.49) mag
history
discovery Dark Energy Survey
Discovery date 2015
Catalog names
Tuc V dSph

The Tucana V dwarf galaxy , also Tucana V or Tucana 5 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 V dSph has a half-light radius of ′ , which corresponds to a size of (17 ± 6) pc at a distance of about 55 kpc  .  

additional

Web links

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 .