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Stellar model choice and the MOPED fossil record

Published online by Cambridge University Press:  01 December 2006

Benjamin Panter
Benjamin Panter*
Affiliation:
SUPA†, Institute for Astronomy, University of Edinburgh, Edinburgh EH9 3HJ, UK, email: [email protected]
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Abstract

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Recent spectral analysis of the SDSS DR3 has provided a wealth of information determined from the fossil record concerning star formation rates, stellar mass buildup, dust content and stellar mass functions. Essential to this work is an understanding of how model choice influences results gained from the analysis of galaxy spectra. We summarize the results of analyzing two plates of SDSS spectra with five different SSP models which appear in full in Panter et al. (2006) and discuss some residuals seen in a far larger sample of galaxies.

Keywords

methods: data analysismethods: statisticaltechniques: spectroscopicsurveysgalaxies: evolutiongalaxies: formationgalaxies: fundamental parameters (classification, colors, luminosities, masses, radii, etc.)cosmology: observations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 156 - 160
Copyright
Copyright © International Astronomical Union 2007

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