The StaggerGrid project: A grid of 3-D model atmospheres for high-precision spectroscopy

Remo Collet*, Zazralt Magic, Martin Asplund

*Corresponding author for this work

    Research output: Contribution to journalConference articlepeer-review

    41 Citations (Scopus)

    Abstract

    In this contribution, we present the STAGGERGRID, a collaborative project for the construction of a comprehensive grid of time-dependent, three-dimensional (3-D), hydrodynamic model atmospheres of solar- and late-type stars with different effective temperatures, surface gravities, and chemical compositions. We illustrate the main characteristics of these 3-D models and their effects on the predicted strengths, wavelength-shifts, and shapes of spectral lines, highlighting the differences with respect to calculations based on classical, one-dimensional, hydrostatic models, and discuss some of their possible applications to elemental abundance analysis of stellar spectra in the context of large observational surveys.

    Original languageEnglish
    Article number012003
    JournalJournal of Physics: Conference Series
    Volume328
    Issue number1
    DOIs
    Publication statusPublished - 2011
    EventStellar Atmospheres in the Gaia Era: Quantitative Spectroscopy and Comparative Spectrum Modelling - Brussels, Belgium
    Duration: 23 Jun 201124 Jun 2011

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