Origin of Joy's Law in the context of Near-Surface Convection on the Sun
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866908625269686272 |
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| author | Schunker, Hannah K V, Asha Lakshmi |
| author_facet | Schunker, Hannah K V, Asha Lakshmi |
| contents | Joy's law is a well-established statistical property of solar active regions that any theory of active region emergence must explain. This tilt angle of the active region away from an east-west alignment is a critical component for converting the toroidal magnetic field to poloidal magnetic field in some leading dynamo theories, and observations show they are important for the reversal of the sign of the global solar magnetic dipole. This review aims to synthesise observational results related to the onset of Joy's law, placing them within the broader context that describes active region emergence as a largely passive process occurring near the surface of the Sun. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_01511 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Origin of Joy's Law in the context of Near-Surface Convection on the Sun Schunker, Hannah K V, Asha Lakshmi Solar and Stellar Astrophysics Joy's law is a well-established statistical property of solar active regions that any theory of active region emergence must explain. This tilt angle of the active region away from an east-west alignment is a critical component for converting the toroidal magnetic field to poloidal magnetic field in some leading dynamo theories, and observations show they are important for the reversal of the sign of the global solar magnetic dipole. This review aims to synthesise observational results related to the onset of Joy's law, placing them within the broader context that describes active region emergence as a largely passive process occurring near the surface of the Sun. |
| title | Origin of Joy's Law in the context of Near-Surface Convection on the Sun |
| topic | Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2511.01511 |