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SUMMARY: Connecting star formation to galactic dynamics - Dr Florent Renau
 d (Surrey)
DTSTART:20151012T150000Z
DTEND:20151012T160000Z
UID:TALK61357@talks.cam.ac.uk
CONTACT:Jean Teyssandier
DESCRIPTION:Recent improvements of observational and numerical techniques 
 have permitted to unveil the wide diversity of star forming clouds\, in th
 e Milky Way but also in other nearby galaxies. The variety in the morpholo
 gy and dynamics of these clouds\, as a function of their galactic environm
 ent\, strongly suggests a complex interplay between global (kpc-scale) and
  local (pc-scale) processes\, that remains to be fully understood. The cou
 pling between large-scale structures\, turbulence\, self-gravity\, magneti
 c fields and feedback makes this problem one of the most challenging of mo
 dern astrophysics\, and implies major implications for both the smaller an
 d larger scales. Using a set of (sub)parsec-resolution hydrodynamical simu
 lations of galaxies including local spirals\, mergers and high redshift di
 sks\, I will illustrate the diversity of star formation in simulations and
  compare to what is observed. I will emphasise the role of the variation o
 f physical conditions within a single disk galaxy and then explore the dif
 ferences from galaxy to galaxy. After a brief review on our understanding 
 of star formation\, I will propose a new theory on its triggering in galax
 y mergers. 
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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