On-off characteristics of luminosity fluctuations of pulsating auroras

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概要

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• Characteristics of on-off switchings in luminosity of a single point within the pulsating auroral displays were studied on typical three examples. The most striking feature in luminosity fluctuations is the remarkable consistency in pulsation "on" intervals in comparison with "off" intervals. Amplitude maxima in each pulsation cycle were fairly constant throughout a continuous train of pulses. No relationships were found between "on" and "off" intervals. These observations suggest that the pulsation "on" interval is the essential time constant of the phenomena, and the luminosity fluctuations of pulsating auroras consist of individual isolated pulses.

• 国立極地研究所の論文

著者

• Yamamoto Tatsundo

  Geophysics Research Laboratory University Of Tokyo

関連論文

• Relationships between pulsating auroras and field-aligned electric currents
• On-off characteristics of luminosity fluctuations of pulsating auroras

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