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La rotación solar determinada a partir de las observaciones de las manchas solares de Thomas Harriot de 1611 a 1613
Science (New York, N.Y.)
|December 8, 1978
Resumen
Los primeros datos de rotación solar de 1612 revelan una tasa de rotación lenta. Esta rotación solar parece haberse acelerado significativamente en los períodos previos al Mínimo de Maunder, un evento solar significativo.
Área de la Ciencia:
- Física solar Física solar es la física de la energía solar.
- La astronomía histórica es una astronomía histórica.
Sus antecedentes:
- La velocidad de rotación del Sol proporciona información sobre su dinámica interna y actividad magnética.
- Las observaciones históricas son cruciales para comprender el comportamiento y los ciclos solares a largo plazo.
Objetivo del estudio:
- Para analizar los primeros datos de rotación solar de 1612.
- Para investigar los cambios en las tasas de rotación solar que preceden al mínimo de Maunder.
Principales métodos:
- Análisis de 199 dibujos inéditos de Thomas Harriot de 1612.
- Comparación de las tasas de rotación de 1612 con los datos de 1625-1626 y 1642-1644.
Principales resultados:
- La tasa media de rotación sideral del Sol en 1612 fue de aproximadamente 13,3 grados por día.
- Se observó una aceleración significativa en la rotación solar en los ciclos previos al Mínimo de Maunder.
Conclusiones:
- Las primeras tasas de rotación solar fueron más lentas de lo que se suponía anteriormente.
- La aceleración observada sugiere cambios dinámicos en el comportamiento del Sol antes del Mínimo de Maunder.
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