Location prediction of prediction TGFs

S. Xiong; M. S. Briggs; V. ConnaughtonG. J. FishmanD. TierneyG. FitzpatrickS. FoleyS. GuiriecR. H. HolzworthM. L. Hutchins

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Location prediction of prediction TGFs

机译：位置预测预测啦

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Terrestrial Gamma-ray Flashes (TGFs) are brief pulses of energetic radiation that correlate with thunderstorms and lightning. Most TGFs are observed as gamma-ray pulses; less frequently they can be observed as electrons and positrons that travel along the geomagnetic field line from the source to the detector. In this paper we predict where electron TGFs should be observed by tracing geomagnetic field lines from likely TGF sources and determining the intersections with satellite orbits. TGF source locations are based upon lightning maps by the Lightning Imaging Sensor (LIS) and the Optical Transient Detector (OTD). Predictions are made both for existing spacecraft with instruments observing TGFs and for other orbits. We compare the predictions to the locations of TGFs that have been observed as electron TGFs. 12 of the 13 known electron TGFs are within the predicted high-rate regions. Based on the predicted location maps of electron TGFs, we find that electron TGFs should sometimes be observed above areas with low lightning activity and that electron TGFs are best observed at low altitudes (below approximately 1000 km).

机译：地面伽马射线闪光(tgf信号)是短暂的与脉冲的能量辐射雷暴和闪电。观察到的伽马射线脉冲;他们可以观察到电子和正电子,沿着地球磁场线源到探测器。预测电子tgf信号应该被观察到跟踪从可能TGF磁场线源和决定的十字路口卫星轨道。经闪电闪电地图成像传感器(LIS)和光学瞬态探测器(定单计划)。飞船与仪器观察啦对于其他轨道。啦,已经观察到的位置电子啦。在预测率较高的地区。在预测位置的电子地图啦,我们发现电子tgf信号有时应该观察到较低的地区闪电活动之上和电子tgf信号是最好的观察到低下面的海拔(大约1000公里)。

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来源
《Journal of Geophysical Research, A. Space Physics: JGR》 |2012年第2期|A02309:1-A02309:8|共8页
作者
S. Xiong; M. S. Briggs; V. ConnaughtonG. J. FishmanD. TierneyG. FitzpatrickS. FoleyS. GuiriecR. H. HolzworthM. L. Hutchins;
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作者单位

School of Physics, University College Dublin, Dublin, Ireland;

Max-Planck-Institut fur Extraterrestrische Physik, Garching, Germany;

Space Science Office, NASA Marshall Space Flight Center, Huntsville, Alabama, USACSPAR, University of Alabama in Huntsville, Huntsville, Alabama, USAEarth and Space Sciences, University of Washington, Seattle, Washington, USA;

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正文语种英语
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关键词
POSITRONS; field line; Gamma RaysthunderstormsLightning;

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Location prediction of prediction TGFs

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