NBursts: Simultaneous Extraction of Internal Kinematics and Parametrized SFH from Integrated Light Spectra

Details NBursts: Simultaneous Extraction of Internal Kinematics and Parametrized SFH from Integrated Light Spectra NBursts: Simultaneous Extraction of Internal Kinematics and Parametrized SFH from Integrated Light Spectra

2007-09-19

arxiv.org/abs/0709.3047v1

Stellar Populations as Building Blocks of Galaxies, Proceedings of IAU Symposium #241. Edited by A. Vazdekis and R. F. Peletie

Astronomy and Astrophysics

Astrophysics

2 pages, to appear in the proceedings of IAU Symposium 241 (Stellar Populations as Building Blocks of Galaxies)

Scientific paper

10.1017/S1743921307007752

We present a novel approach for simultaneous extraction of stellar population parameters and internal kinematics from the spectra integrated along a line of sight. We fit a template spectrum into an observed one in a pixel space using a non-linear $\chi^2$ minimization in the multidimensional parameter space, including characteristics of the line-of-sight velocity distribution (LOSVD) and parametrized star formation history (SFH). Our technique has been applied to IFU and multi-object spectroscopy of low-luminosity early type galaxies.

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