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    The Rosetta Ion and Electron Sensor (IES)measurement of the development of pickup ions from comet 67P/Churyumov-Gerasimenko

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    TECravens_2015.pdf (1.114Mb)
    Issue Date
    2015-05-05
    Author
    Goldstein, R.
    Burch, J. L.
    Mokashi, P.
    Broiles, T.
    Mandt, K.
    Hanley, J.
    Cravens, Thomas Edward
    Rahmati, Ali
    Samara, M.
    Clark, G.
    Hässig, M.
    Webster, J. M.
    Publisher
    American Geophysical Union
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    ©2015. American Geophysical Union. All Rights Reserved.
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    Abstract
    The Rosetta Ion and Electron Sensor (IES) has been measuring solar wind ions intermittently since exiting from hibernation in May 2014. On 19 August, when Rosetta was ~80 km from the comet 67P/Churyumov-Gerasimenko, which was ~3.5 AU from the Sun, IES began to see ions at its lowest energy range, ~4–10 eV. We identify these as ions created from neutral species emitted by the comet nucleus, photoionized by solar UV radiation in the neighborhood of the Rosetta spacecraft (S/C), and attracted by the small negative potential of the S/C resulting from the population of thermal electrons. Later, IES began to see higher-energy ions that we identify as having been picked up and accelerated by the solar wind. IES continues to measure changes in the solar wind and the development of the pickup ion structure.
    URI
    http://hdl.handle.net/1808/22105
    DOI
    https://doi.org/10.1002/2015GL063939
    Collections
    • Physics and Astronomy Scholarly Works [1636]
    Citation
    Goldstein, R., J. L. Burch, P. Mokashi, T. Broiles, K. Mandt, J. Hanley, T. Cravens, A. Rahmati, M. Samara, G. Clark, M. Hässig, and J. M. Webster (2015), The Rosetta Ion and Electron Sensor (IES) measurement of the development of pickup ions from comet 67P/Churyumov-Gerasimenko. Geophys. Res. Lett., 42, 3093–3099. doi: 10.1002/2015GL063939.

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    KU Libraries
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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