Andromeda XII

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Galaxy
Andromeda XII
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AladinLite
Constellation Andromeda
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 00 h 47 m 27.0 s
declination + 34 ° 22 ′ 29 ″
Appearance
Morphological type dSph  
Brightness  (visual) (16.3 ± 1.0) mag
Physical data
Radial velocity −525.0 km / s  
distance (2,560,000 ± 325,000)  Lj  
diameter 2,000 ly
history
discovery Martin et al.
Discovery date 2006
Catalog names
And XII
Satellite galaxy of M31

Andromeda XII is a spheroidal dwarf galaxy (dSph) in the constellation of Andromeda . It is a satellite galaxy of M31 and was discovered in 2006 by the research group Martin et al. discovered. The galaxy is about 2.6 million light years from our solar system .

additional

Individual evidence

  1. ↑ a b NASA / IPAC Extragalactic Database . In: Results for Andromeda XII . Retrieved November 29, 2006.
  2. ^ A b N.F. Martin, RA Ibata, MJ Irwin2, S. Chapman, GF Lewis, AMN Ferguson, N. Tanvir & AW McConnachie: Discovery and analysis of three faint dwarf galaxies and a globular cluster in the outer halo of the Andromeda galaxy . In: Monthly Notices of the Royal Astronomical Society . 371, 2006, pp. 1983-1991. arxiv : astro-ph / 0607472 . doi : 10.1111 / j.1365-2966.2006.10823.x .
  3. ↑ a b SIMBAD Astronomical Database . In: Results for Andromeda XII . Retrieved November 29, 2006.
  4. ↑ a b c Atlas of the Universe

Web links