Image of Alice in Wonderland at the Mad Hatter's tea party You are cordially invited to afternoon tea and biscuits wine and chocolate

Astronomy Tea Talks at Caltech

Mondays, Robinson 106
Tea:  4.00pm
Talk: 4.15pm

Organised by:

2007 - 2008 season:
14 January 2008 Arjen van der Wel (J. Hopkins)

"The Morphology - Density Relation and Its Evolution Revisited"


In the first part of my talk I will address the question whether the
morphology-density relation is instrinsic, or the result of more fundamental,
underlying relations between galaxy mass, environment and star formation activity.
In the second part I will describe our study of the evolution of the early-type
galaxy fraction with redshift based on stellar mass-selected samples of field
and cluster galaxies. Selecting galaxies by mass turns out to drastically
change the picture with respect to results based on luminosity-selected samples,
which are traditionally used for such analyses.
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Last modified on 20th Jul 2011 by Johan Richard.  

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