Journal of Geophysical Research: Planets

Solar Storm-Lunar Atmosphere Modeling (SSLIM)

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    2. Regular Articles
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      The lunar photoelectron sheath: A change in trapping efficiency during a solar storm (pages 1114–1122)

      W. M. Farrell, A. R. Poppe, M. I. Zimmerman, J. S. Halekas, G. T. Delory and R. M. Killen

      Version of Record online: 30 MAY 2013 | DOI: 10.1002/jgre.20086

      Key Points

      • Dayside of Moon-emitted photoelectrons
      • These are usually trapped near surface
      • During a solar storm, the photoelectrons can escape upstream
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      Solar-Storm/Lunar Atmosphere Model (SSLAM): An overview of the effort and description of the driving storm environment

      W. M. Farrell, J. S. Halekas, R. M. Killen, G. T. Delory, N. Gross, L. V. Bleacher, D. Krauss-Varben, P. Travnicek, D. Hurley, T. J. Stubbs, M. I. Zimmerman and T. L. Jackson

      Version of Record online: 9 OCT 2012 | DOI: 10.1029/2012JE004070

      Key Points

      • The energy in solar storms has a direct impact on exposed near-airless bodies
      • SSLAM study designed to understand the impact of space weather on exposed rocky bodies
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      Plasma wake simulations and object charging in a shadowed lunar crater during a solar storm

      M. I. Zimmerman, T. L. Jackson, W. M. Farrell and T. J. Stubbs

      Version of Record online: 17 AUG 2012 | DOI: 10.1029/2012JE004094

      Key Points

      • Solar storms modulate lunar wake morphology
      • Astronaut charging may become perpetual in PSRs
      • Solar wind ions get into polar craters and affect volatile balance
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      The effect on the lunar exosphere of a coronal mass ejection passage

      R. M. Killen, D. M. Hurley and W. M. Farrell

      Version of Record online: 8 MAR 2012 | DOI: 10.1029/2011JE004011

      Key Points

      • We simulate the lunar exosphere of Na, K, Ca, and Mg due to a CME passage
      • The change in atmospheric density is rapid
      • The CME passage will enhance the exosphere above detectability limits of LADEE