Eridanus III dwarf galaxy
Galaxy Eridanus III dwarf galaxy |
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AladinLite | |
Constellation | Eridanus |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 22 m 45.5 s |
declination | -52 ° 17 ′ 01.3 ″ |
Appearance | |
Morphological type | dSph |
Brightness (visual) | (17.7 ± 0.3) mag |
Physical data | |
Affiliation | Local group |
distance | 284,000 ly / 87,000 pc |
Absolute brightness | (−2.0 ± 0.3) mag |
history | |
discovery | Dark Energy Survey |
Discovery date | 2015 |
Catalog names | |
Eri III dSph |
The Eridanus III dwarf galaxy , also Eridanus III or Eridanus 3 for short , is a dwarf galaxy of the type dSph discovered in 2015 in the constellation Eridanus in the Local Group and one of the satellite galaxies of the Milky Way .
properties
Eri III dSph has a half-light radius of ′ , which corresponds to a size of ( ) pc at a distance of about 87 kpc .
additional
Web links
Commons : Constellation Eridanus - Collection of images, videos and audio files
Individual evidence
- ↑ 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 .