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Los tornados magnéticos como canales de energía en la corona solar
Sven Wedemeyer-Böhm1, Eamon Scullion, Oskar Steiner
1Institute of Theoretical Astrophysics, University of Oslo, PO Box 1029 Blindern, N-0315 Oslo, Norway. svenwe@astro.uio.no
Nature
|June 29, 2012
Resumen
El calentamiento atmosférico solar se explica por estructuras magnéticas similares a supertornados. Estas estructuras ubicuas canalizan la energía de la zona de convección del Sol hacia la atmósfera superior, resolviendo un rompecabezas de larga data.
Área de la Ciencia:
- Física solar Física solar es la física de la energía solar.
- La física del plasma es la física del plasma.
- La astrofísica es la astrofísica.
Sus antecedentes:
- La atmósfera solar requiere un flujo de energía significativo para calentarse a más de un millón de grados Kelvin y la aceleración del viento solar.
- Los mecanismos exactos para la transferencia y disipación de energía en la atmósfera solar siguen siendo un rompecabezas.
- Los flujos de convección en la superficie solar impulsan el trenzado y la torsión del campo magnético, propuesto como un mecanismo de calentamiento atmosférico.
Objetivo del estudio:
- Para investigar el papel de los remolinos cromosféricos en la transferencia de energía a la atmósfera solar superior.
- Para identificar las firmas observacionales de las estructuras magnéticas que giran rápidamente.
- Proporcionar una explicación alternativa para el calentamiento atmosférico solar y la aceleración del viento solar.
Principales métodos:
- Análisis observacional de los remolinos cromosféricos.
- Seguimiento de movimientos de remolinos de la fotosfera a través de la cromosfera en la región de transición y corona baja.
- Identificando estos remolinos como firmas de estructuras magnéticas que giran rápidamente.
Principales resultados:
- Los remolinos cromosféricos tienen huellas en la región de transición y la corona baja.
- Estos remolinos se identifican como firmas observacionales de estructuras magnéticas que giran rápidamente.
- Estas estructuras se extienden desde la zona de convección hasta la atmósfera solar superior, asemejándose a los "supertornados" solares.
Conclusiones:
- Los remolinos cromosféricos son omnipresentes y actúan como un mecanismo para canalizar la energía de la atmósfera solar inferior a la superior.
- Estos hallazgos ofrecen una nueva perspectiva sobre el calentamiento atmosférico solar y la aceleración del viento solar.
- Las estructuras identificadas proporcionan una solución alternativa al rompecabezas de la transferencia de energía solar.
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