Andromeda X

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Galaxy
Andromeda X
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AladinLite
Constellation Andromeda
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 00 h 06 m 33.7 s
declination + 44 ° 48 ′ 15.8 ″
Appearance
Morphological type dSph  
Brightness  (visual) (16.1 ± 0.5) mag
Angular expansion 7 '
Surface brightness 26.7 mag / arcmin²
Physical data
Radial velocity −164.0 km / s  
distance 2,900,000 Lj /
890,000 pc
history
discovery Zucker et al.
Discovery date 2005
Catalog names
PGC  5056921 • And X
Satellite galaxy of M31

Andromeda X is a spheroidal dwarf galaxy (dSph) in the constellation of Andromeda . It is a satellite galaxy of M31 and was discovered in 2005 by the research group Zucker et al. discovered. The galaxy is about 2.9 million light years from our solar system .

additional

Individual evidence

  1. ↑ a b c d NASA / IPAC Extragalactic Database . In: Results for Andromeda X . Retrieved November 29, 2006.
  2. ^ A b Daniel B. Zucker, Alexei Y. Kniazev, David Martinez-Delgado, Eric F. Bell, Hans-Walter Rix, Eva K. Grebel, Jon A. Holtzman, Rene AM Walterbos, Constance M. Rockosi, Donald G. York, JC Barentine, Howard Brewington, J. Brinkmann, Michael Harvanek, SJ Kleinman, Jurek Krzesinski, Dan Long, Eric H. Neilsen, Jr., Atsuko Nitta, Stephanie A. Snedden: Andromeda X, A New Dwarf Spheroidal Satellite of M31 : Photometry . In: Astrophysical Journal . 659, 2007, pp. L21-L24. arxiv : astro-ph / 0601599 . doi : 10.1086 / 516748 .
  3. ↑ a b SIMBAD Astronomical Database . In: Results for Andromeda X . Retrieved November 29, 2006.

Web links