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Wind observations of the terrestrial bow shock: 3-D shape and motion

Abstract

Between late 1994 and early 2001 the Wind orbiter, generally targeted to stay in the solar wind, passed through the Earth’s magnetosphere 50 times. About 450 distinct bow shock crossings were collected during the inbound and outbound bracketing each Wind perigee. These crossings and corresponding vectorial upstream solar wind measurements by the Wind MFI and SWE instruments are used to study the 3-D shape of the bow shock and its motion. Mapping of bow shock crossings to the Sun-Earth line and to the terminator plane is realized using a recent analytical model of the planetary bow shock. The asymmetry of the terrestrial bow shock in the terminator plane is studied as a function of Friedrichs diagram anisotropy. Analysis of the subsolar bow shock position as a function of Alfvenic Mach number M a during intervals of magnetic field aligned solar wind flow shows that the shock tends to approach the Earth when M a is decreasing, while for non field-aligned flows bow shock moves from the planet.

References

  1. Bennett, L., M. G. Kivelson, K. K. Khurana, L. A. Frank, and W. R. Paterson, A model of the Earth’s distant bow shock, J. Geophys. Res., 102(A12), 26927–26941, 1997.

    Article  Google Scholar 

  2. Brecht, S. H., Hybrid simulation of the magnetic topology of Mars, J. Geophys. Res., 102, 4743–4750, 1997.

    Article  Google Scholar 

  3. Cairns, L. H. and J. G. Lyon, MHD simulations of the Earth’s bow shock at low Mach numbers: Stand-off distances, J. Geophys. Res., 100, 17173, 1995.

    Article  Google Scholar 

  4. Fairfield, D. H., Average and unusual locations of the Earth’s magnetopause and bow shock, J. Geophys. Res., 76, 6700, 1971.

    Article  Google Scholar 

  5. Fairfield, D. H., I. H. Cairns, M. D. Desch, A. Szabo, A. J. Lazarus, and M. R. Aellig, The location of low Mach number bow shocks at Earth, J. Geophys. Res., 106, 2001 (accepted).

  6. Formisano, V., Orientation and shape of the Earth’s bow shock in three dimensions, Planet. Space Sci., 27, 1151, 1979.

    Article  Google Scholar 

  7. Kabin, K., T. I. Gombosi, D. L. DeZeeuw, and K. G. Powell, Interaction of Mercury with the solar wind, Icarus, 143, 397–406, 2000.

    Article  Google Scholar 

  8. Lepping, R. P., M. Acuna, L. Burlaga, W. Farrell, J. Slavin, K. Schatten, F. Mariani, N. Ness, F. Neubauer, Y. C. Whang, J. Byrnes, R. Kennon, P. Panetta, J. Scheifele, and E. Worley, The Wind magnetic field investigation, Space Sci. Rev., 71, 207–229, 1995.

    Article  Google Scholar 

  9. Ogilvie, K. W., D. J. Chorney, R. J. Fitzenreiter, F. Hunsaker, J. Keller, J. Lobell, G. Miller, J. D. Scudder, E. C. Sittler, Jr., R. B. Torbert, D. Bodet, G. Needell, A. J. Lazarus, J. T. Steinberg, J. H. Tappan, A. Mavretic, and E. Gergin, SWE a comprehensive plasma instrument for the Wind spacecraft, Space Sci. Rev., 71, 55–77, 1995.

    Article  Google Scholar 

  10. Peredo, M., J. A. Slavin, E. Mazur, and S. A. Curtis, Three-dimensional position and shape of the bow shock and their variation with Alfvenic, sonic and magnetosonic Mach numbers and interplanetary magnetic field orientation, J. Geophys. Res., 100, 7907–7916, 1995.

    Article  Google Scholar 

  11. Russell, C. T., Planetary bow shocks, in Collisionless Shocks in the Heliosphere: A Tutorial Review, Geophys. Monogr. Ser., vol. 35, edited by B. T. Tsurutani and R. G. Stone, AGU, Washington, D.C., pp. 109–130, 1985.

    Google Scholar 

  12. Shue, J.-H., J. K. Chao, H. C. Fu, C. T. Russell, P. Song, K. K. Khurana, and H. J. Singer, A new functional form to study the solar wind control of the magnetopause size and shape, J. Geophys. Res., 102(A5), 9497–9511, 1997.

    Article  Google Scholar 

  13. Shue, J.-H., P. Song, C. T. Russell, J. T. Steinberg, J. K. Chao, G. Zastenker, O. L. Vaisberg, S. Kokubun, H. J. Singer, T. R. Detman, and H. Kawano, Magnetopause location under extreme solar wind conditions, J. Geophys. Res., 103(A8), 17691–17700, 1998.

    Article  Google Scholar 

  14. Slavin, J. A. and R. E. Holzer, Solar wind flow about the terrestrial planets, 1. Modelling bow shock position and shape, J. Geophys. Res., 86, 11401, 1981.

    Article  Google Scholar 

  15. Slavin, J. A., R. E. Holzer, J. R. Spreiter, and S. S. Stahara, Planetary Mach cones: Theory and observation, J. Geophys. Res., 89(A5), 2708–2714, 1984.

    Article  Google Scholar 

  16. Slavin, J. A., A. Szabo, M. Peredo, C. J. Oven, R. P. Lepping, R. Fitzenreiter, R. W. Ogilwie, J. L. Stremberg, and A. J. Lazarus, Near-simultaneous bow shock crossings by wind and IMP 8 on December 1, 1994, Geophys. Res. Lett., 23(1), 207, 1996.

    Google Scholar 

  17. Spreiter, J. R. and A. W. Rizzi, Aligned magnetohydrodynamic solution for solar wind flow past the Earth’s magnetosphere, Acta Astronaut., 1, 15–55, 1974.

    Article  Google Scholar 

  18. Spreiter, J. R. and S. S. Stahara, The location of the planetary bow shocks: A critical overview of theory and observations, Adv. Space Res., 15(8/9), 433, 1995.

    Article  Google Scholar 

  19. Spreiter, J. R., A. L. Summers, and A. Y. Alksne, Hydromagnetic flow around the magnetosphere, Planet. Space Sci., 14, 223, 1966.

    Article  Google Scholar 

  20. Tanaka, T., Generation mechanism for magnetosphere-ionosphere current system deduced from a three-dimensional MHD simulation of the solar wind-magnetosphere-ionosphere coupling processes, J. Geophys. Res., 100(A7), 12057–12074, 1995.

    Article  Google Scholar 

  21. Verigin, M. I., G. A. Kotova, A. P. Remizov, N. M. Shutte, K. Schwingenschuh, W. Riedler, M. Delva, H. Rosenbauer, K. Szego, M. Tatrallyay, and V. Styazhkin, Studies of the Martian bow shock response to the variation of the magnetosphere dimensions according to TAUS and MAGMA measurements aboard the PHOBOS 2 orbiter, Adv. Space Res., 20(2), 155–158, 1997.

    Article  Google Scholar 

  22. Verigin, M. I., G. A. Kotova, A. P. Remizov, V. A. Styazhkin, N. M. Shutte, T.-L. Zhang, W. Riedler, H. Rosenbauer, K. Szego, M. Tatrallyay, and K. Schwingenschuh, Shape and location of planetary bow shocks, Cosmic Research, 37(1), 34–39, 1999.

    Google Scholar 

  23. Verigin, M., G. Kotova, A. Remizov, V. Bezrukikh, O. Plokhova, J. Slavin, A. Szabo, M. Kessel, J. Safrankova, Z. Nemecek, T. Gombosi, K. Kabin, F. Shugaev, and A. Kalinchenko, in Proceedings of International Symposium “From solar corona through interplanetary space, into Earth’s magnetosphere and ionosphere: Interball, ISTP satellites, and ground-based observations”, February 1–4, 2000, Kyiv, Ukraine, pp. 289–293.

  24. Verigin, M. I., G. A. Kotova, J. Slavin, A. Szabo, M. Kessel, J. Safrankova, Z. Nemecek, T. I. Gombosi, K. Kabin, F. Shugaev, and A. Kalinchenko, Analysis of the 3-D shape of the terrestrial bow shock by Interball/Magion 4 observations, in 33rd COSPAR Scientific Assembly, 16–23 July 2000, Warsaw, Poland, Program Book, Warsaw, 2000, p. 106, 136 (Adv. Space Res., 2001, accepted).

  25. Zhigulev, V. N. and E. A. Romishevsky, Concerning the interaction of currents flowing in a conducting medium with the Earth’s magnetic field, Doklady Akad. Nauk SSSR., 127, 1001–1004, 1959 (in Russian), (English translation: Soviet Phys. Doklady, 4, 859–862, 1960).

    Google Scholar 

  26. Zhuang, H. C. and C. T. Russell, An analytic treatment of the structure of the bow shock and magnetosheath, J. Geophys. Res., 86, 2191–2205, 1981.

    Article  Google Scholar 

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Verigin, M., Kotova, G., Szabo, A. et al. Wind observations of the terrestrial bow shock: 3-D shape and motion. Earth Planet Sp 53, 1001–1009 (2001). https://doi.org/10.1186/BF03351697

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Keywords

  • Solar Wind
  • Mach Number
  • Solar Wind Parameter
  • Fast Magnetosonic Wave
  • Terminator Plane