Phoenix II dwarf galaxy
Galaxy Phoenix II dwarf galaxy |
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AladinLite | |
Constellation | Phoenix |
Position equinox : J2000.0 , epoch : J2000.0 |
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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
- ^ NED
- ↑ 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 .
- ↑ 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 .