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Andromeda XIX : ウィキペディア英語版
Andromeda XIX

Andromeda XIX is a satellite galaxy of the Andromeda galaxy, and is a member of the Local Group, like the Milky Way Galaxy.〔(【引用サイトリンク】url=http://www.uni.edu/morgans/astro/course/Notes/section3/localgroup.html )〕 Andromeda XIX is considered "the most extended dwarf galaxy known in the Local Group", and has been shown to have a half-light radius of 1.7 kiloparsec (kpc).〔 It was discovered by the Canada–France–Hawaii Telescope, and is thought to be a dwarf galaxy. It is located at RA DEC .
== History ==
Surveillance performed during use of the MegaPrime/MegaCam 1 deg2 (camera) on the Canada-France-Hawaii Telescope (CFHT) had mapped M31 stellar halo (one quarter) up to ~150 kpc. The survey, which had confirmed the clumpiness of Andromeda's stellar halo, had shown the existence of multiple other dwarf galaxies.〔 They include: Andromeda XI, XII, XIII, XV, XVI, XVIII, XIX, and XX.〔

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