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Jaime Forero-Romero (Berkeley)

New topics in high-z galaxy formation
Wann Am 03.05.2012 von 11:00 bis 12:00
Was
  • Special Seminar
Wo LH, Hörsaal
Termin übernehmen vCal / iCal

There are thousands of confirmed detections of star forming galaxies at redshifts z>4. These observations rely primarily on the detection of the spectral Lyman Break and the Lyman-alpha emission line. I will present results based on hydrodynamical simulations aimed at constructing a panchromatic picture of this high redshift galaxy population. I will show how this model successfully reproduces the observational constraints from Lyman Break Galaxies (LBGs) and Lyman-alpha emitters  (LAEs) at  5<z<7. Based on this model and recent observational results I will argue that three new elements should be considered in the interpretation of upcoming observations of high-z galaxies: stochasticity effects at low star formation rates, the impact of using molecular gas to model star formation and the necessity for AGN feedback at high redshift.