Attenuation distance of low frequency waves upstream of the pre‐dawn bow shock: GEOTAIL and ISEE 3 comparison

T. Sugiyama, T. Terasawa, Hideaki Kawano, T. Yamamoto, S. Kokubun, L. A. Frank, K. Ackerson, B. T. Tsurutani

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Abstract

We have made a statistical study of the spatial distribution of low frequency waves (∼0.01–0.1 Hz) in the region upstream of the pre‐dawn to dawn side bow shock (−50 Re < X < 15 Re) using both GEOTAIL and ISEE‐3 magnetometer data. We have found that the wave amplitude dependence on D and X s , where D is the distance from the bow shock and X s the x‐coordinate position of shock foot point of the IMF, can be described by a functional form of A exp(X s /L X ‐ D/L D ), with the characteristic attenuation distances, L X = 62 ± 12 Re and L D = 59 ± 38 Re.

Original languageEnglish
Pages (from-to)81-84
Number of pages4
JournalGeophysical Research Letters
Volume22
Issue number2
DOIs
Publication statusPublished - Jan 1 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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    Sugiyama, T., Terasawa, T., Kawano, H., Yamamoto, T., Kokubun, S., Frank, L. A., Ackerson, K., & Tsurutani, B. T. (1995). Attenuation distance of low frequency waves upstream of the pre‐dawn bow shock: GEOTAIL and ISEE 3 comparison. Geophysical Research Letters, 22(2), 81-84. https://doi.org/10.1029/94GL02918