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

Remo Collet; Zazralt Magic; Martin Asplund

doi:10.1088/1742-6596/328/1/012003

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

Remo Collet^*, Zazralt Magic, Martin Asplund

^*Corresponding author af dette arbejde

Astrofysik og Planetforskning

29 Citationer (Scopus)

54 Downloads (Pure)

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.

Originalsprog	Engelsk
Artikelnummer	012003
Bogserie	Journal of Physics: Conference Series
Vol/bind	328
Udgave nummer	1
Antal sider	8
ISSN	1742-6588
DOI	https://doi.org/10.1088/1742-6596/328/1/012003
Status	Udgivet - 2011
Begivenhed	GREAT-ESF Workshop: Stellar Atmospheres in the Gaia Era - Vrije Universiteit Brussel, Bruxelles, Belgien Varighed: 23 jun. 2011 → 24 jun. 2011

Konference

Konference	GREAT-ESF Workshop
Lokation	Vrije Universiteit Brussel
Land/Område	Belgien
By	Bruxelles
Periode	23/06/2011 → 24/06/2011

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

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