Pisces VII: discovery of a possible satellite of Messier 33 in the DESI legacy imaging surveys
Monthly Notices of the Royal Astronomical Society(2021)
摘要
We report deep imaging observations with DOLoRes@TNG of an ultra-faint dwarf satellite candidate of the Triangulum galaxy (M33) found by visual inspection of the public imaging data release of the DESI Legacy Imaging Surveys. Pisces VII/Triangulum (Tri) III is found at a projected distance of $72\, {\rm kpc}$ from M33, and using the tip of the red giant branch method, we estimate a dist...
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关键词
surveys,galaxies: dwarf,galaxies: formation,Local Group
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