Computer Science
Scientific paper
Aug 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..216c&link_type=abstract
NOAO Proposal ID #2010B-0216
Computer Science
Scientific paper
We propose NIFS observations to map the gas velocity and metallicity fields of a demographically complete sample of 8 high-z ULIRGs, including both submm-selected galaxies (SMGs - cold dust) and submm-faint radio galaxies (SFRGs - hot dust), at z 2. Our team includes hydrodynamical simulators from two groups who have independently identified candidate hot and cold-dust ULIRGs at high-z in their models, and we have explicitly run simulations of the expected properties observable with SINFONI. Our target ULIRGs have z's chosen to lie between sky lines, with detections already of H-alpha from our ISAAC slit observations, and where both Hapha/NII and OII/NeIII suggest a broad intrinsic spread in metallicity. The observations will allow us to address why high-redshift ULIRGs lie above the high redshift blue main-sequence of star forming galaxies (SFR versus stellar mass), and whether or not they represent the merger of two blue sequence galaxies.
Beswick Rob
Bothwell Matthew
Casey Caitlin
Chapman Scott
Coppin Kristen
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