Scholarship 07/02032-6 - Galáxias elípticas, Síntese espectral - BV FAPESP
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The time of galaxy formation

Grant number: 07/02032-6
Support Opportunities:Scholarships in Brazil - Master
Start date until: September 01, 2007
End date until: July 06, 2009
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Extragalactic Astrophysics
Principal Investigator:Laerte Sodré Junior
Grantee:Tiago Freitas Triumpho
Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

In this project we shall use results from the spectral synthesis of stellar populations of elliptical galaxies (in the SDSS database) as well as from the analysis of the color-magnitude diagram of elliptical galaxies in clusters at several redshifts to constrain the epoch (and uncertainties) of formation of the first stars in this class of objects.These approaches complement each other and shall also allow to address the problem of the synchronization between the stellar evolution clock (given by the synthesis results) and the cosmological clock (given by the redshift).

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