Andromeda III

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Andromeda III
Observation data (J2000 epoch)
Right ascension 00h 35m 33.8s[1]
Declination+36° 29′ 52″[1]
Redshift-351 ± 9 km/s[1]
Distance2.44 ± 0.08 Mly (748 ± 24 kpc)[2]
Apparent magnitude (V)15.0[1]
Apparent size (V)4′.5 × 3′.0[1]
Notable featuressatellite galaxy of M31
Other designations
AndIII,[1] RC2 Anon 0032+36,[1] PGC 2121[1]
See also: Galaxy, List of galaxies

Andromeda III is a dwarf spheroidal galaxy about 2.44 million light-years away in the constellation Andromeda. It is part of the Local Group and is a satellite galaxy of the Andromeda Galaxy (M31) and was discovered by Sidney van den Bergh[2] on photographic plates taken in 1970 and 1971.[3]

See also[edit]


  1. ^ a b c d e f g h i "NASA/IPAC Extragalactic Database". Results for AndIII. Retrieved 2006-12-18.
  2. ^ a b McConnachie, A. W.; Irwin, M. J.; Ferguson, A. M. N.; Ibata, R. A.; Lewis, G. F.; Tanvir, N. (2005). "Distances and metallicities for 17 Local Group galaxies". Monthly Notices of the Royal Astronomical Society. 356 (4): 979–997. arXiv:astro-ph/0410489. Bibcode:2005MNRAS.356..979M. doi:10.1111/j.1365-2966.2004.08514.x.
  3. ^ van den Bergh, Sydney (January 1972). "Search for Faint Companions to M31". Astrophysical Journal. 171: L31. Bibcode:1972ApJ...171L..31V. doi:10.1086/180861.

External links[edit]

Coordinates: Sky map 00h 35m 33.8s, +36° 29′ 52″