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University of Birmingham > Talks@bham > Astrophysics Talks Series > On the role played by cold filamentary gas flows in shaping galaxies
On the role played by cold filamentary gas flows in shaping galaxiesAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Alastair Sanderson. It has been recently (re-)discovered that gas need not be shock-heated prior to being accreted by galaxies. This cold mode of smooth growth (by opposition to growth through mergers) is predicted to be the dominant channel by which the vast majority of galaxies acquire their mass at high redshift. For low mass galaxies (hosted by dark matter halos with masses < 3×10^11 M_sun), this domination even extends down to z=0. I will briefly review the theoretical evidence in favour of this ‘new’ scenario and discuss the reasons for the lack of current observational support. I will then present efforts to understand how it alters the properties of galaxies beyond their mass. In particular emphasis will be put on the way galaxies acquire angular momentum. This talk is part of the Astrophysics Talks Series series. This talk is included in these lists:Note that ex-directory lists are not shown. |
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