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

T. Sugiyama; T. Terasawa; H. Kawano; T. Yamamoto; S. Kokubun; L. A. Frank; K. Ackerson; B. T. Tsurutani

doi:10.1029/94GL02918

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

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

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

5 Citations (Scopus)

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 language	English
Pages (from-to)	81-84
Number of pages	4
Journal	Geophysical Research Letters
Volume	22
Issue number	2
DOIs	https://doi.org/10.1029/94GL02918
Publication status	Published - Jan 15 1995
Externally published	Yes

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/94GL02918

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

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 Xs, where D is the distance from the bow shock and Xs the x‐coordinate position of shock foot point of the IMF, can be described by a functional form of A exp(Xs/LX ‐ D/LD), with the characteristic attenuation distances, LX = 62 ± 12 Re and LD = 59 ± 38 Re.",

author = "T. Sugiyama and T. Terasawa and H. Kawano and T. Yamamoto and S. Kokubun and Frank, {L. A.} and K. Ackerson and Tsurutani, {B. T.}",

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T1 - Attenuation distance of low frequency waves upstream of the pre‐dawn bow shock

T2 - GEOTAIL and ISEE 3 comparison

AU - Sugiyama, T.

AU - Terasawa, T.

AU - Kawano, H.

AU - Yamamoto, T.

AU - Kokubun, S.

AU - Frank, L. A.

AU - Ackerson, K.

AU - Tsurutani, B. T.

PY - 1995/1/15

Y1 - 1995/1/15

N2 - 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 Xs, where D is the distance from the bow shock and Xs the x‐coordinate position of shock foot point of the IMF, can be described by a functional form of A exp(Xs/LX ‐ D/LD), with the characteristic attenuation distances, LX = 62 ± 12 Re and LD = 59 ± 38 Re.

AB - 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 Xs, where D is the distance from the bow shock and Xs the x‐coordinate position of shock foot point of the IMF, can be described by a functional form of A exp(Xs/LX ‐ D/LD), with the characteristic attenuation distances, LX = 62 ± 12 Re and LD = 59 ± 38 Re.

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

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