HIP NEWS March 17th 2014
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DEPARTMENT OF PHYSICS / HIP JOINT COLLOQUIA / SEMINARS
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Tuesday 18 March 2014 at 10.15 in A315
Mohammad Mirkazemi (MPI, Garching)
Brightest X-ray clusters of galaxies in the CFHTLS wide fields: Red sequence finder, optical mass estimator, and stellar mass estimation
Abstract: Red sequence technique is one of the robust tool to identify galaxy clusters. This talk will introduce a new multi-color red sequence method. Using a spectroscopic sample of early-type galaxies and different stellar population models, I determined red sequence configuration parameters such as color model and a characteristic magnitude. I will show that our red sequence finder is a robust tool for determining the clusters redshift. Moreover, the correlation between z-band luminosity and total mass of clusters (derived from the X-ray luminosity) will be discussed. At the end, I will also present my recent work on the stellar mass estimation in CFHTLS and dependence of galaxy stellar mass function on the environment.
COSMO-Seminar
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Thu 20 March at 14:15 in Exactum B121 (NOTE exceptional time and place!)
Subir Sarkar (Oxford)
Title: TBA
Utrecht Network Academic English Summer School
30.06.-11.07.2014 for posgraduate students
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https://flamma.helsinki.fi/portal/home/sisalto?_nfpb=true&_pageLabel=content_view&contentId=HY313468&placeId=HY034203
VISITORS
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S. Sarkar 20.3. – 21.3. (KE, SF)