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Global Observations of the Interstellar Interaction from the Interstellar Boundary Explorer (IBEX)

机译:星际边界探测器(IBEX)对星际相互作用的全球观测

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摘要

The Sun moves through the local interstellar medium, continuously emitting ionized, supersonic solar wind plasma and carving out a cavity in interstellar space called the heliosphere. The recently launched Interstellar Boundary Explorer (IBEX) spacecraft has completed its first all-sky maps of the interstellar interaction at the edge of the heliosphere by imaging energetic neutral atoms (ENAs) emanating from this region. We found a bright ribbon of ENA emission, unpredicted by prior models or theories, that may be ordered by the local interstellar magnetic field interacting with the heliosphere. This ribbon is superposed on globally distributed flux variations ordered by both the solar wind structure and the direction of motion through the interstellar medium. Our results indicate that the external galactic environment strongly imprints the heliosphere.
机译:太阳在本地星际介质中移动,不断发出电离的,超音速的太阳风等离子体,并在星际空间中雕刻出一个称为日球层的空腔。最近发射的星际边界探测器(IBEX)航天器通过对从该区域发出的高能中性原子(ENA)进行成像,完成了其在日球边缘的星际相互作用的第一张全天空图。我们发现了ENA发射的亮带,这是以前的模型或理论所无法预测的,可能是由与星际相互作用的局部星际磁场所命令的。该带状图叠加在由太阳风结构和通过星际介质的运动方向所定序的全局分布通量变化上。我们的结果表明,外部银河环境强烈地印在了日球层上。

著录项

  • 来源
    《Science》 |2009年第5955期|959-962|共4页
  • 作者单位

    Southwest Research Institute, San Antonio, TX 78228, USA University of Texas, San Antonio, TX 78249, USA;

    Southwest Research Institute, San Antonio, TX 78228, USA University of Texas, San Antonio, TX 78249, USA;

    Physika-lisches Institut, University of Bern, CH-3012 Bern, Switzerland;

    Space Research Centre of the Polish Academy of Sciences, 00-716 Warsaw, Poland;

    NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA;

    Massachusetts Institute of Technology, Cambridge, MA 02139, USA;

    Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA;

    University of Bonn, 53115 Bonn, Germany;

    Ruhr-Universitat Bochum, 44780 Bochum, Germany;

    University of Chicago, Chicago, IL 60637, USA;

    Los Alamos National Laboratory, Los Alamos, NM 87545, USA;

    Lockheed Martin Advanced Technology Center, Palo Alto, CA 94304, USA;

    University of Michigan, Ann Arbor, Ml 48109, USA;

    University of Southern California, Los Angeles, CA 90089, USA;

    University of Alabama, Huntsville, AL 35805, USA;

    Moscow State University, 119899 Moscow, Russia Space Research Institute (IKI), Russian Academy of Sciences, 117997 Moscow, Russia Institute for Problems in Mechanics, Russian Academy of Sciences, 117526 Moscow, Russia;

    University of Montana, Missoula, MT 59812, USA;

    Adler Planetarium, Chicago, IL 60605, USA;

    Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA Office for Space Research and Technology, Academy of Athens, 106 79 Athens, Greece;

    Space Science Center, University of New Hampshire, Durham, NH 03824, USA;

    Space Science Center, University of New Hampshire, Durham, NH 03824, USA;

    Southwest Research Institute, San Antonio, TX 78228, USA;

    Southwest Research Institute, San Antonio, TX 78228, USA University of Texas, San Antonio, TX 78249, USA;

    NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA;

    Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA;

    Space Science Center, University of New Hampshire, Durham, NH 03824, USA;

    NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA;

    University of Alabama, Huntsville, AL 35805, USA;

    University of Montana, Missoula, MT 59812, USA;

    Applied Physics Laboratory, Johns Hopkins University, Laurel, MD 20723, USA;

    Physika-lisches Institut, University of Bern, CH-3012 Bern, Switzerland;

    Boston University, Boston, MA 02215, USA;

    Southwest Research Institute, San Antonio, TX 78228, USA University of Texas, San Antonio, TX 78249, USA;

    Massachusetts Institute of Technology, Cambridge, MA 02139, USA;

    Physika-lisches Institut, University of Bern, CH-3012 Bern, Switzerland;

    University of Alabama, Huntsville, AL 35805, USA;

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  • 正文语种 eng
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