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AGU: Geophysical Research Letters

 

Keywords

  • STEREO
  • mirror-mode waves
  • interplanetary magnetic field

Index Terms

  • Interplanetary Physics: Interplanetary magnetic fields
  • Interplanetary Physics: Interplanetary shocks
  • Space Plasma Physics: Kinetic waves and instabilities
  • Space Plasma Physics: Turbulence
  • Space Plasma Physics: Wave/particle interactions

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 36, L05106, 4 PP., 2009
doi:10.1029/2008GL037113

Mirror-mode storms: STEREO observations of protracted generation of small amplitude waves

C. T. Russell

Institute of Geophysics and Planetary Physics, University of California, Los Angeles, California, USA

X. Blanco-Cano

Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico

L. K. Jian

Institute of Geophysics and Planetary Physics, University of California, Los Angeles, California, USA

J. G. Luhmann

Space Science Laboratory, University of California, Berkeley, California, USA

In the solar wind, STEREO occasionally observes mirror-mode storms, periods in which small amplitude waves suddenly appear and persist for hours. Two triggers of these storms are high-plasma beta and weak shocks, both consistent with conditions for the growth of mirror-mode waves. The appearance of these waves is quite distinct from the isolated mirror-mode structure that is frequently seen in the solar wind. They have not been reported previously. Here we show three examples of their occurrence.

Received 23 December 2008; accepted 10 February 2009; published 11 March 2009.

Citation: Russell, C. T., X. Blanco-Cano, L. K. Jian, and J. G. Luhmann (2009), Mirror-mode storms: STEREO observations of protracted generation of small amplitude waves, Geophys. Res. Lett., 36, L05106, doi:10.1029/2008GL037113.

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