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SUMMARY:Coming in from the dark – gas-fuelling and galaxy evolution - Me
 iert Grootes (Max-Planck Institut fur Kernphysik\, Germany)
DTSTART:20150120T163000Z
DTEND:20150120T173000Z
UID:TALK56988@talks.cam.ac.uk
CONTACT:David Titterington
DESCRIPTION:Although the process by which galaxies obtain the gas needed f
 or star-formation is amongst the most fundamental controlling the formatio
 n of baryonic structure in the universe\, there is very little in the way 
 of empirical evidence with which to constrain theoretical models\, with in
  particular\, the postulated environmental dependencies remaining largely 
 unconstrained.  Using the galaxy and mass assembly spectroscopic and multi
 -wavelength photometric survey\, in combination with a new\, purpose built
  method for constructing samples of purely morphologically selected spiral
  galaxies\, and a radiative transfer modelling approach applicable to larg
 e samples of galaxies we have performed a definitive quantitative study of
  the effect of the group environment on the star-formation rates of spiral
  galaxies in the local universe.  This study has obtained two main results
  questioning the validity of the standard paradigm of gas-fuelling\, which
  I will present and discuss.\n
LOCATION:Sackler Lecture Theatre\, Institute of Astronomy
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