-
18 UV bright QSOs obs. with HST (COS-IGrM survey)
We present the results of the Cosmic Origins Spectrograph-Intragroup Medium (COS-IGrM) Survey that used the COS on the Hubble Space Telescope to observe a sample of 18 UV bright... -
Galaxy groups from SDSS DR7 and ALFALFA
Using the group crossing time t_c_ as an age indicator for galaxy groups, we have investigated the correlation between t_c_ and the group spiral fraction, as well as between... -
Groups in the Coma Supercluster
We take a close look at the galaxies in the Coma Supercluster and assess the role of the environment (in the form of cluster, group, and supercluster filament) in their...
