The angular distribution of auroral kilometric radiation observed by the GEOTAIL spacecraft

Yasumasa Kasaba; H. Matsumoto; K. Hashimoto; R. R. Anderson

doi:10.1029/97GL02599

The angular distribution of auroral kilometric radiation observed by the GEOTAIL spacecraft

Yasumasa Kasaba, H. Matsumoto, K. Hashimoto, R. R. Anderson

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

We examine the angular distribution of auroral kilometric radiation (AKR) based on a 38-month data set of GEOTAIL plasma wave observations. We show that the AKR illumination pattern becomes narrower with increasing frequency above 300 kHz. The difference is more evident in the duskside zone and when geomagnetic conditions become more disturbed. We also show that AKR is more active on the winter hemisphere especially for the higher frequency range.

Original language	English
Article number	97GL02599
Pages (from-to)	2483-2486
Number of pages	4
Journal	Geophysical Research Letters
Volume	24
Issue number	20
DOIs	https://doi.org/10.1029/97GL02599
Publication status	Published - 1997 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Geophysics
Earth and Planetary Sciences(all)

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