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Scattering And Absorption of Light in Planetary Regoliths
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Observaciones de manchas solares de luz blanca desde el polarimetro solar óptico universal en Spacelab-2
Science (New York, N.Y.)
|November 27, 1987
Resumen
Las imágenes solares de alta resolución del Spacelab-2 revelan fenómenos dinámicos en la región activa 4682.2. El análisis muestra flujos hacia el exterior, "streakers" brillantes, "nubes" oscuras y estructuras en expansión dentro de la penumbra de manchas solares.
Área de la Ciencia:
- Física solar Física solar es la física de la energía solar.
- La astronomía es la astronomía.
- Ciencias espaciales Ciencias espaciales Ciencias espaciales
Sus antecedentes:
- Las observaciones solares terrestres están limitadas por la distorsión de la imagen y la turbulencia atmosférica.
- Los estudios anteriores carecían de la resolución y estabilidad para observar la dinámica solar a escala fina.
Objetivo del estudio:
- Para analizar imágenes solares de alta resolución y difracción limitada obtenidas por Spacelab-2.
- Para investigar fenómenos dinámicos dentro de la penumbra de la región activa 4682.2.
Principales métodos:
- Utilizó el Polarimetro Universal Óptico Solar en Spacelab-2 para la adquisición de imágenes.
- Procesamiento digital empleado para mejorar la calidad de la imagen y separar los fenómenos de onda de los movimientos de los materiales.
- Secuencias de tiempo analizadas de imágenes solares de luz blanca de la región activa 4682.2.
Principales resultados:
- Flujo radial de salida medido en la granulación fotosférica fuera de la penumbra de las manchas solares.
- Ejección observada de estructuras brillantes ("streakers") desde la penumbra.
- Se han documentado "nubes" oscuras que se mueven hacia afuera y granos penumbrales brillantes que se mueven hacia adentro.
- Se detectaron aparentes extensiones y contracciones de los filamentos penumbrales.
- Identificó una débil burbuja en expansión o una estructura en forma de bucle originada en filamentos penumbrales.
Conclusiones:
- Los datos de Spacelab-2 proporcionan información sin precedentes sobre la dinámica de las regiones activas solares.
- Las observaciones revelan movimientos complejos y estructuras a pequeña escala dentro de la penumbra de manchas solares.
- Estos hallazgos contribuyen a una mejor comprensión del comportamiento del campo magnético solar y el transporte de energía.
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