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Andromeda XI

From Wikipedia - Reading time: 6 min
Not to be confused with Xi Andromedae.
Andromeda XI
Observation data (J2000 epoch)
ConstellationAndromeda
Right ascension00h 46.3m [1]
Declination+33° 48′ 05″[1]
Redshift-0.001399 ± 0.000015[1]
Heliocentric radial velocity(-419 ± 4.4) km/s[1]
Distance2.6 ± 325 Mly (830 kpc)[2]
Absolute magnitude (V)−7.3[3]
Characteristics
TypedSph D[1]
Apparent size (V)0.5 arcmin[4]
Notable featuressatellite galaxy of the Andromeda Galaxy
Other designations
And XI, PGC 5056923

Andromeda XI (And 11) is a dwarf spheroidal galaxy about 2.6 million light-years away from the Sun[2] in the constellation Andromeda.[4] Discovered in 2006,[2] And XI is a satellite galaxy of the Andromeda Galaxy (M31).

See also

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References

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  1. ^ a b c d e "NAME Andromeda XI". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-11-03.
  2. ^ a b c "The Galaxies of the Local Group". Retrieved 2017-11-03.
  3. ^ Yang, S.-C; Sarajedini, A (2012). "HST/WFPC2 Imaging of the Dwarf Satellites And XI and And XIII : HB Morphology and RR Lyraes". Monthly Notices of the Royal Astronomical Society. 419 (2): 1362. arXiv:1109.2038. Bibcode:2012MNRAS.419.1362Y. doi:10.1111/j.1365-2966.2011.19792.x. S2CID 119190619.
  4. ^ a b "Andromeda XI". Retrieved 2017-11-03.
Licensed under CC BY-SA 3.0 | Source: https://en.wikipedia.org/wiki/Andromeda_XI
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