Andromeda XI
| Galaxy Andromeda XI |
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|---|---|
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| AladinLite | |
| Constellation | Andromeda |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 00 h 46 m 20.0 s |
| declination | + 33 ° 48 ′ 05 ″ |
| Appearance | |
| Morphological type | dSph |
| Brightness (visual) | (17.2 ± 0.5) mag |
| Physical data | |
| Radial velocity | −462.0 km / s |
| distance | (2,560,000 ± 325,000) Lj |
| diameter | 2,000 ly |
| history | |
| discovery | Martin et al. |
| Discovery date | 2006 |
| Catalog names | |
| And XI | |
| Satellite galaxy of M31 | |
Andromeda XI 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
- ↑ a b NASA / IPAC Extragalactic Database . In: Results for Andromeda XI . Retrieved November 29, 2006.
- ^ 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 .
- ↑ a b SIMBAD Astronomical Database . In: Results for Andromeda XI . Retrieved November 29, 2006.
- ↑ a b c Atlas of the Universe