Image of Alice in Wonderland at the Mad Hatter's tea party You are cordially invited to afternoon tea and biscuits wine and chocolate

Astronomy Tea Talks at Caltech

Mondays, Hameetman auditorium (Cahill)
Tea:  4.00pm
Talk: 4.15pm

Organized by:

2011 - 2012 season:
3 October 2011 Michele Fumagalli (UCSC)

'Exploring the Gas-Cycle in High-Redshift Galaxies: A Joint Effort of Theory and Observations'

Hydrodynamical cosmological simulations indicate that massive galaxies at high redshift are fed by extended streams of cold gas in a smooth component and in merging galaxies. At the same time, observations reveal that winds are ubiquitous in star forming systems. To investigate this balanced cycle of gas in high-redshift galaxies, I will present predictions of the neutral hydrogen distribution and Ly-alpha emission in simulated disks fed by cold-streams. I will then discuss the prospects of mapping the circumgalactic medium with absorption line systems or with imaging and spectroscopy in emission, presenting preliminary results from ongoing programs.
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Last modified on 29th Sep 2011 by Marco Viero.  

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