[TT2009] 25 vicinity VI photometry

Dwarf galaxies are key objects for small-scale cosmological tests like the abundance problems or the planes-of-satellites problem. A crucial task is therefore to get accurate...矮星系是开展丰度问题（abundance problems）、卫星星系平面问题（planes-of-satellites problem）等小尺度宇宙学检验的关键天体。因此，获取准确的……是一项至关重要的任务。