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Amelie Saintonge (UCL)
Thursday 13 October 2016, 16:00-17:00
The role of gas flows in driving galaxy evolution: clues from the cold interstellar medium
- đ¤ Speaker: Amelie Saintonge (UCL)
- đ Date & Time: Thursday 13 October 2016, 16:00 - 17:00
- đ Venue: Sackler Lecture Theatre, IoA (tea at 3:30 pm)
Abstract
Observations of molecular gas in distant galaxies are experiencing a coming-of-age, transitioning from a “discovery” to a “survey” mode. New and upgraded facilities are now making it possible to survey molecular gas efficiently in large galaxy samples, and these observations are proving to be critical in refining our general picture of galaxy evolution. In this talk, I will review recent results from the two largest surveys for molecular gas in normal star-forming galaxies, the z=0 IRAM -30m COLD GASS survey and the z=1-2 IRAM -PdBI PHIBSS survey, and show how they combine to lend strong support in favour of the “equilibrium” model for galaxy evolution, under which most of galaxy evolution is regulated by gas inflows and outflows, and by the efficiency of the star formation process.
Series This talk is part of the Institute of Astronomy Colloquia series.
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- Sackler Lecture Theatre, IoA (tea at 3:30 pm)
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