Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21333904c&link_type=abstract
American Astronomical Society, AAS Meeting #213, #339.04; Bulletin of the American Astronomical Society, Vol. 41, p.402
Astronomy and Astrophysics
Astronomy
Scientific paper
I will present recent radio and (sub)mm observations of the atomic and molecular gas, dust, and star formation, in the host galaxies of z 6 quasars. These are the only direct observations of the host galaxies of these Gunn-Peterson quasars. About 1/3 of the host galaxies are under-going extreme starbursts, with star formation rates > 1000 Mo/year, and molecular gas masses in excess of 1e10 Mo. Through gas dynamics, we can estimate the ratio of the bulge mass to black hole mass. These observations imply that we are witnessing the co-eval formation of massive elliptical galaxies and super-massive black holes, within 1 Gyr of the Big Bang. I will present details on gas excitation, dust temperature, and the FIR-L'CO relation (the 'integrated Kennicutt-Schmidt law'). Current telescopes are limited to studying the most extreme objects at these redshifts. I will discuss how future telescopes, such as ALMA, the EVLA, and eventually, an SKA, will reveal the cool gas, dust, and star formation, in normal galaxies at extreme redshifts (LAEs and LBGs).
Bertoldi Frank
Carilli Chris Luke
Cox Pierre
Menten Karl
Wagg Jeff
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