Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2010-08-25
Astrophys.J., 722 (2010) L64-L69
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
Minor changes to match published version. Composite post-starburst galaxy SED can be downloaded at https://www.cfa.harvard.edu
Scientific paper
Stellar population synthesis (SPS) models are a key ingredient of many galaxy evolution studies. Unfortunately, the models are still poorly calibrated for certain stellar evolution stages. Of particular concern is the treatment of the thermally-pulsing asymptotic giant branch (TP-AGB) phase, as different implementations lead to systematic differences in derived galaxy properties. Post-starburst galaxies are a promising calibration sample, as TP-AGB stars are thought to be most prominently visible during this phase. Here, we use post-starburst galaxies in the NEWFIRM medium-band survey to assess different SPS models. The available photometry allows the selection of a homogeneous and well-defined sample of 62 post-starburst galaxies at 0.7
Brammer Gabriel
Conroy Charlie
Franx Marijn
Illingworth Garth
Kriek Mariska
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