Compact groups of galaxies selected by stellar mass: the 2MASS compact group catalogue
Compact groups of galaxies selected by stellar mass: the 2MASS compact group catalogue
We present a photometric catalogue of compact groups of galaxies (p2MCGs) automatically extracted from the Two-Micron All Sky Survey (2MASS) extended source catalogue. A total of 262 p2MCGs are identified, following the criteria defined by Hickson, of which 230 survive visual inspection (given occasional galaxy fragmentation and blends in the …