Indus II dwarf galaxy

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Galaxy
Indus II dwarf galaxy
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Indus 2
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AladinLite
Constellation Indus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 20 h 38 m 52.8 s
declination -46 ° 09 ′ 36.0 ″
Appearance
Morphological type dSph  
Brightness  (visual) (17.35 ± 0.19) mag
Physical data
Affiliation Local group  
distance (698,000 ± 52,000) Lj /
(214,000 ± 16,000) pc
Absolute brightness (−4.3 ± 0.19) mag
history
discovery Dark Energy Survey
Discovery date 2015
Catalog names
Ind II dSph

The Indus II dwarf galaxy , Indus II or Indus 2 for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Indians in the Local Group and one of the satellite galaxies of the Milky Way .

properties

Ind II dSph has a half-light radius of ′ , which corresponds to a size of (181 ± 67) pc at a distance of about 214 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 . Retrieved January 16, 2017