3D Radiative MHD Simulations of Starspots II: Large-scale Structure
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866909468428599296 |
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| author | Bhatia, Tanayveer Singh Panja, Mayukh Cameron, Robert Solanki, Sami |
| author_facet | Bhatia, Tanayveer Singh Panja, Mayukh Cameron, Robert Solanki, Sami |
| contents | We compute realistic 3D radiative MHD near-surface models of starspots with substantial penumbrae on cool main-sequence stars using the MURaM simulation code. This work is an improvement on the the previous starspot models in a slab geometry. The umbra, penumbra and the quiet star for all starspots are distinct, not only in intensity and temperature, but also in thermodynamic and velocity structure. These models represent a significant step towards modelling contribution of starspots to stellar lightcurves. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_16921 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | 3D Radiative MHD Simulations of Starspots II: Large-scale Structure Bhatia, Tanayveer Singh Panja, Mayukh Cameron, Robert Solanki, Sami Solar and Stellar Astrophysics We compute realistic 3D radiative MHD near-surface models of starspots with substantial penumbrae on cool main-sequence stars using the MURaM simulation code. This work is an improvement on the the previous starspot models in a slab geometry. The umbra, penumbra and the quiet star for all starspots are distinct, not only in intensity and temperature, but also in thermodynamic and velocity structure. These models represent a significant step towards modelling contribution of starspots to stellar lightcurves. |
| title | 3D Radiative MHD Simulations of Starspots II: Large-scale Structure |
| topic | Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2412.16921 |