4 datasets found

Keywords: Galaxies groups

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  • 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...

  • 2MASS redshift survey galaxy group catalogue

    We present the galaxy group catalogue for the recently completed 2MASS Redshift Survey (2MRS; Macri et al. 2019ApJS..245....6M, Cat. J/ApJS/245/6) which consists of 44572...

  • 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...
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