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

  • Igor Chilingarian (a1) (a2) (a3), Philippe Prugniel (a2) (a4), Olga Sil'chenko (a1) and Mina Koleva (a2) (a5)
Abstract

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 χ2 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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Copyright
Corresponding author
e-mail: chil@sai.msu.su
References
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Cappellari, , & Emsellem, 2004, PASP, 116, 138
Chilingarian, I. 2006, PhD Thesis, astro-ph/0611893
Chilingarian, I. et al. 2006, accepted to AstL, astro-ph/0611885
Chilingarian, I. et al. 2007, accepted to MNRAS, astro-ph/0701842
Koleva, , et al. 2006, astro-ph/0602362
Le, Borgne et al. , 2004, A&A, 425, 881
Ocvirk, et al. , 2006, MNRAS, 365, 74
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van, der Marel & Franx, 1993, ApJ, 407, 525
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Proceedings of the International Astronomical Union
  • ISSN: 1743-9213
  • EISSN: 1743-9221
  • URL: /core/journals/proceedings-of-the-international-astronomical-union
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