Riechers, Dominik A. (2012) Driving the Gaseous Evolution of Massive Galaxies in the Early Universe. In: Galaxy Mergers in an Evolving Universe. ASP Conference Series . Astronomical Society of the Pacific , San Francisco, CA. (Submitted) http://resolver.caltech.edu/CaltechAUTHORS:20120227-082914144
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Studies of the molecular interstellar medium that fuels star formation and supermassive black hole growth in galaxies at cosmological distances have undergone tremendous progress over the past few years. Based on the detection of molecular gas in >120 galaxies at z=1 to 6.4, we have obtained detailed insight on how the amount and physical properties of this material in a galaxy are connected to its current star formation rate over a range of galaxy populations. Studies of the gas dynamics and morphology at high spatial resolution allow us to distinguish between gas-rich mergers in different stages along the “merger sequence” and disk galaxies. Observations of the most massive gas-rich starburst galaxies out to z>5 provide insight into the role of cosmic environment for the early growth of present-day massive spheroidal galaxies. Large-area submillimeter surveys have revealed a rare population of extremely far-infrared-luminous gas-rich high-redshift objects, which is dominated by strongly lensed, massive starburst galaxies. These discoveries have greatly improved our understanding of the role of molecular gas in the evolution of massive galaxies through cosmic time.
|Item Type:||Book Section|
|Additional Information:||© 2012 Astronomical Society of the Pacific. I would like to thank the organizers of “Galaxy Mergers in an Evolving Universe” for the invitation to this diverse and stimulating conference. Also, I would like to thank my collaborators on studies related to this subject, in particular Frank Bertoldi, Peter Capak, Chris Carilli, Asantha Cooray, Pierre Cox, Emanuele Daddi, Roberto Neri, Nick Scoville, FabianWalter, and RanWang. I acknowledge support from NASA through a Spitzer Space Telescope grant.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||24 Apr 2012 22:48|
|Last Modified:||26 Dec 2012 14:53|
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