Do Galaxies care about AGB stars ?

Details Do Galaxies care about AGB stars ? Do Galaxies care about AGB stars ?

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..405p&link_type=abstract

NOAO Proposal ID #2011A-0405

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Scientific paper

We propose to use Gemini North and GNIRS to obtain H-band spectra of bright E+A galaxies from the Sloan sample. These objects have been recently studied spectroscopically and their stellar populations decomposed. Our aim is to verify the contribution to the spectrum from TP-AGB stars and the correlation between these stars and a young stellar population. This is important as it is expected that these massive AGB stars have a profound influence on the spectral energy distribution of distant galaxies and make them appear older and more massive than they otherwise are. Our data will allow us to directly constrain this hypothesis and estimate the importance of this poorly understood phase of stellar evolution to spectrum synthesis modeling.

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