Andromeda XVIII

Andromeda XVIII, discovered in 2008, is a dwarf spheroidal galaxy (has no rings, low luminosity, much dark matter, little gas or dust), which is a satellite of the Andromeda Galaxy (M31). It is one of the 14 known dwarf galaxies orbiting M31. It was announced in 2010 that the orbiting galaxies lie close to a plane running through M31's center. Right ascension: 0^h2^m 14.5s Declination: +45° 5' 20" ^[1]^[2]

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[1] ttp://ned.ipac.caltech.edu/level5/March01/Battaner/node13.html

[2] ttp://www.docdb.net/show_object.php?id=andromeda_xviii

[1]

[2]

v t e Andromeda Galaxy
Location	Andromeda Galaxy→Andromeda subgroup → Local Group → Virgo Supercluster → Laniakea Supercluster → Observable universe → Universe Each → may be read as "within" or "part of".
Satellite galaxies	M32 M110 NGC 185 NGC 147 Andromeda I Andromeda II Andromeda III Andromeda IV* Andromeda V Andromeda VI Andromeda VII Andromeda VIII Andromeda IX Andromeda X Andromeda XI Andromeda XII Andromeda XIII Andromeda XIV Andromeda XV Andromeda XVI Andromeda XVII Andromeda XVIII Andromeda XIX Andromeda XX Andromeda XXI Andromeda XXII Andromeda XXIII Andromeda XXIV Andromeda XXV Andromeda XXVI Andromeda XXVII Andromeda XXVIII Andromeda XXIX Triangulum Galaxy* *It is uncertain whether the Triangulum Galaxy is a companion galaxy of the Andromeda Galaxy
Other	Andromeda–Milky Way collision S Andromedae Mayall II NGC 206 AE Andromedae

Andromeda XVIII

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