PM2GC mass-limited sample surface photometry

We search for massive and compact galaxies (superdense galaxies, hereafter SDGs) at z=0.03-0.11 in the Padova-Millennium Galaxy and Group Catalogue (PM2GC), a spectroscopically...我们在帕多瓦-千禧星系与星系群目录（Padova-Millennium Galaxy and Group Catalogue，PM2GC）中，搜寻红移z=0.03~0.11区间内的大质量致密星系（超致密星系，superdense galaxies，后文简称SDGs），该目录是一项基于光谱学的……