For some obscure reason blogger does not let me put on my text here fully, so see the first comment for that....
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This is the blog for Leiden Observatory's 'Galaxies' Journal club. This is a space for journal clubbers to post interesting single plots that they find as they troll through 'The Literature', with some brief (non-)scathing commentary. Presumably, if you're not a member, you're already gone.
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In 1009.3189 ('How does galaxy environment matter? The relationship between galaxy environments, colour and stellar mass at 0.4<z<1 in the Palomar/DEEP2 survey' by Grutzbach et al) the authors investigate the dependence of galaxy colours (mainly) as a function of stellar mass and several 'independent' measures of environment (halo mass, nearest neighbour densities and several dynamical quantities in a fixed 1Mpc aperture). They find that stellar mass is the main driver of galaxy colours. There is a correlation between environment and stellar mass that also explains the weak correlations between environment and colour. The plot(s) that I picked show(s) the strong dependence of colours on stellar mass and the weak dependence on halo mass in all three redshift bins probed.
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