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Different convection models in ATLAS

Smalley, Barry

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Abstract

Convection is an important phenomenon in the atmospheres of A-type and cooler stars. A description of convection in ATLAS models is presented, together with details of how it is specified in model calculations. The effects of changing the treatment of convection on model structures and how this affects observable quantities are discussed. The role of microturbulence is examined, and its link to velocity fields within the atmosphere. Far from being free parameters, mixing-length and microturbulence should be constrained in model calculations.

Citation

Smalley, B. (2005, July). Different convection models in ATLAS. Presented at International Workshop on ATLAS12 and Related Codes: Application to Elemental Abundance Determination, Trieste, Italy

Presentation Conference Type Conference Paper (published)
Conference Name International Workshop on ATLAS12 and Related Codes: Application to Elemental Abundance Determination
Start Date Jul 11, 2005
End Date Jul 15, 2005
Online Publication Date Sep 19, 2005
Publication Date Sep 19, 2005
Publicly Available Date May 26, 2023
Journal Mem.Soc.Ast.It. 71 (2004) 1
Peer Reviewed Peer Reviewed
Volume 75
Issue 1
Pages 1 - ?
DOI https://doi.org/10.48550/arXiv.astro-ph/0509536
Keywords Astrophysics
Public URL https://keele-repository.worktribe.com/output/404524
Publisher URL https://arxiv.org/abs/astro-ph/0509536

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