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ANGEO | Articles | Volume 37, issue 2
Ann. Geophys., 37, 243-261, 2019
https://doi.org/10.5194/angeo-37-243-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 37, 243-261, 2019
https://doi.org/10.5194/angeo-37-243-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 17 Apr 2019

Regular paper | 17 Apr 2019

Reflection of the strahl within the foot of the Earth's bow shock

Christopher A. Gurgiolo et al.
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Cited articles  
Anderson, K. A., Lin, R. P., Gurgiolo, C., Parks, G. K., Potter, D. W., Werden, S., and Rème, H.: A component of nongyrotropic (phase bunched) electrons upstream from the Earth's bow shock, J. Geophys. Res.-Atmos., 90, 10809, https://doi.org/10.1029/JA090iA11p10809, 1985. a
Bale, S. D., Burgess, D., Kellogg, P. J., Goetz, K., and Monson, S. J.: On the amplitude of intense Langmuir waves in the terrestrial electron foreshock, J. Geophys. Res.-Atmos., 102, 11281–11286, https://doi.org/10.1029/97JA00938, 1997. a
Balogh, A., Dunlop, M. W., Cowley, S. W. H., Southwood, D. J., Thomlinson, J. G., Glassmeier, K. H., Musmann, G., Luhr, H., Buchert, S., Acuna, M. H., Fairfield, D. H., Slavin, J. A., Riedler, W., Schwingenschuh, K., and Kivelson, M. G.: The Cluster Magnetic Field Investigation, Space Sci. Rev., 79, 65–91, https://doi.org/10.1023/A:1004970907748, 1997. a
Bonifazi, C. and Moreno, G.: Reflected and diffuse ions backstreaming from the earth's bow shock, 1, Basic Properties, J. Geophys. Res.-Atmos., 86, 4397–4413, 1981a. a
Bonifazi, C. and Moreno, G.: Reflected and diffuse ions backstreaming from the earth's bow shock, 2, Origin, J. Geophys. Res.–Atmos., 86, 4405–4414, https://doi.org/10.1029/JA086iA06p04405, 1981b. a
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The reflection of solar wind electrons at the bow shock helps define the physical properties of the foreshock, the region where the interplanetary magnetic field directly connects to the bow shock. We report that the strahl, the field-aligned component of the electron solar wind distribution, appears to be nearly fully reflected at the bow shock and that the reflection occurs in the foot of the shock, implying that mirroring is not the primary cause of the electron reflection.
The reflection of solar wind electrons at the bow shock helps define the physical properties of...
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