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Observaciones de radioastronomía planetaria hechas por el Voyager 2 cerca de Saturno

J W Warwick, D R Evans, J H Romig

Science (New York, N.Y.)

|January 29, 1982

Resumen

Los datos de la Voyager 2 revelan el planeta Saturno.

Área de la Ciencia:

Ciencias planetarias Ciencias planetarias.
La radioastronomía es una radioastronomía.
Física del espacio Física del espacio

Sus antecedentes:

La Voyager 2 proporcionó nuevas mediciones de radioastronomía cerca de Saturno.
Observaciones anteriores de la Voyager 1 identificaron explosiones de descarga electrostática desde el anillo B de Saturno.

Objetivo del estudio:

Para analizar las mediciones de radio de la Voyager 2 de Saturno.
Para investigar las fuentes y la variabilidad de la radiación kilómetros de Saturno.
Para caracterizar los estallidos de descarga electrostática y los eventos en el plano del anillo.

Principales métodos:

Análisis de los datos de radioastronomía de la Voyager 2.
Observación de la radiación kilómetros de Saturno (SKR).
Detección y análisis espectral de ráfagas de descarga electrostática.
Investigación de las emisiones de radio dentro del plano de los anillos de Saturno.

Principales resultados:

Se han confirmado fuertes fuentes aurorales diurnas para la radiación de Saturno en ambos hemisferios.
Variabilidad observada en el SKR relacionada con la rotación planetaria y las influencias del viento solar / Dione.
Se detectaron ráfagas de descarga electrostática con propiedades similares, pero con una frecuencia más baja que la de la Voyager 1.
Se registró un evento de ruido intenso en el plano del anillo atribuido a los impactos de partículas del anillo G.

Conclusiones:

La radiación kilometrica de Saturno se origina en las regiones aurorales, influenciadas por la rotación y factores externos.
Las explosiones de descarga electrostática son episódicas y menos frecuentes que las detectadas anteriormente.
Un evento significativo de ruido en el plano del anillo fue causado por impactos de partículas cargadas en el anillo G y ionización.

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