Articles | Volume 37, issue 5
https://doi.org/10.5194/angeo-37-877-2019
https://doi.org/10.5194/angeo-37-877-2019
Regular paper
 | 
24 Sep 2019
Regular paper |  | 24 Sep 2019

Low-frequency magnetic variations at the high-β Earth bow shock

Anatoli A. Petrukovich, Olga M. Chugunova, and Pavel I. Shustov

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Cited articles

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Bale, S. D., Mozer, F. S., and Horbury, T. S.: Density-Transition Scale at Quasiperpendicular Collisionless Shocks, Phys. Rev. Lett., 91, 265004, https://doi.org/10.1103/PhysRevLett.91.265004, 2003. a
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Balikhin, M. A., Woolliscroft, L. J. C., Alleyne, H. St. C., Dunlop, M., and Gedalin, M. A.: Determination of the dispersion of low frequency waves downstream of a quasiperpendicular collisionless shock, Ann. Geophys., 15, 143–151, https://doi.org/10.1007/s00585-997-0143-x, 1997. a, b
Balogh, A., Carr, C. M., Acuña, M. H., Dunlop, M. W., Beek, T. J., Brown, P., Fornacon, K.-H., Georgescu, E., Glassmeier, K.-H., Harris, J., Musmann, G., Oddy, T., and Schwingenschuh, K.: The Cluster Magnetic Field Investigation: overview of in-flight performance and initial results, Ann. Geophys., 19, 1207–1217, https://doi.org/10.5194/angeo-19-1207-2001, 2001. a
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Earth's bow shock in solar wind with high thermal and low magnetic pressure is a rare phenomenon. However, such an object is ubiquitous in astrophysical plasmas. We surveyed statistics of such shock observations since 1995. About 100 crossings were initially identified. In this report 22 crossings from the Cluster project were studied using multipoint analysis, which allowed for the determination of the spatial scales of the shock transition and of the dominant magnetic variations