The transition of galaxy groups from an invigorating environment to a suffocating one

Details The transition of galaxy groups from an invigorating environment to a suffocating one The transition of galaxy groups from an invigorating environment to a suffocating one

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..250b&link_type=abstract

NOAO Proposal ID #2010A-0250

Computer Science

Scientific paper

At low redshift, galaxy groups are hostile environments, gradually shutting down star formation activity; but at z=1 there is evidence that groups actually induce star formation in massive galaxies. While much can be learned about this important process from wide-field, sparsely sampled redshift surveys, a complementary and necessary approach is to study a smaller, pure sample of groups in detail. Only then is it possible to robustly measure the group mass, centre and radius, and the group-to-group variations predicted by simple infall models. We propose to continue a 3 semester programme begun in 09A, to study galaxies in 16 groups at 0.8

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