Spectroscopy with three-dimensional model atmospheres of late-type stars

Remo Collet*

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    In this contribution, I present the results of a differential analysis of CH spectral lines for the determination of carbon abundances with three- and one-dimensional model atmospheres of late-type stars at various metallicities. 3D-1D abundance corrections are found to be significant particularly at low metallicities and for turn-off stars. The dependence of 3D-1D carbon abundance corrections on the stellar C/O ratio is also discussed.

    Original languageEnglish
    Pages (from-to)151-153
    Number of pages3
    JournalProceedings of the International Astronomical Union
    Volume11
    Issue numberA29B
    DOIs
    Publication statusPublished - 2015

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