Improvement of atomic models for NLTE radiative transfer in atmospheres of late type stars

Details Improvement of atomic models for NLTE radiative transfer in atmospheres of late type stars Improvement of atomic models for NLTE radiative transfer in atmospheres of late type stars

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010sf2a.conf..379m&link_type=abstract

SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics. Eds.: S. Boissier, M. Heydari-

Astronomy and Astrophysics

Astrophysics

Radiative Transfer, Stars: Abundances, Stars: Atmospheres, Stars: Late Type

Scientific paper

We present our first results on NLTE line transfer for Mg I, Ca I and Ca II in atmospheres of late type stars. This work prepares for the analysis of future spectroscopic data of the Gaia mission. To do this, we have updated atomic models of magnesium and calcium. This work on NLTE effects will also be applied to correct the determination of LTE chemical abundances for late type stars.

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