Phoenix II dwarf galaxy

from Wikipedia, the free encyclopedia
Galaxy
Phoenix II dwarf galaxy
{{{Card text}}}
Photo-request.svg
AladinLite
Constellation Phoenix
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 23 h 39 m 59.4 s
declination -54 ° 24 ′ 21.6 ″
Appearance
Morphological type dSph  
Brightness  (visual) 16.8 ± 0.2 mag
Physical data
Affiliation Local group  
distance 270,000 ly /
83,000 pc
Absolute brightness −2.8 ± 0.2 mag
history
discovery Dark Energy Survey
Discovery date 2015
Catalog names
Phe II dSph

The Phoenix II dwarf galaxy , also known as Phoenix II for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Phoenix in the Local Group and one of the satellite galaxies of the Milky Way .

properties

The distance to Earth is approximately 330,000 light years . Phe I dSph has a half-light radius of , which corresponds to a size of ( )  pc at a distance of about 83 kpc .  

additional

Web links

Commons : Phoenix constellation  - collection of images, videos and audio files

Individual evidence

  1. ^ NED
  2. Sergey E. Koposov, Vasily Belokurov, Gabriel Torrealba, N. Wyn Evans: Beasts of the Southern Wild. Discovery of a large number of Ultra Faint satellites in the vicinity of the Magellanic Clouds . In: The Astrophysical Journal . 805, March 10, 2015, p. 130. doi : 10.1088 / 0004-637X / 805/2/130 .
  3. DES Collaboration: Eight New Milky Way Companions Discovered in First-Year Dark Energy Survey Data . In: The Astrophysical Journal . 807, March 10, 2015, p. 50. doi : 10.1088 / 0004-637X / 807/1/50 .