ANISOTROPY OF THE ENERGETIC NEUTRAL ATOM FLUX IN THE HELIOSPHERE

被引：42
|
作者：
GRUNTMAN, MA
机构：
[1] Space Sciences Center, SHS-274, MC-1341, University of Southern California, Los Angeles
来源：
PLANETARY AND SPACE SCIENCE | 1992年 / 40卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.1016/0032-0633(92)90162-H
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Characteristics of the energetic neutral atoms born at the heliospheric interface are considered for plasma flow structure resulting from a two-shock model of the interaction between the solar wind and the interstellar medium. The energy distributions of heliospheric energetic neutral atoms (HELENAs) are calculated and it is shown that the HELENA flux is highly anisotropic at the Earth's orbit. The characteristics of the HELENA flux are highly sensitive to the size of the heliosphere. This supports the conclusion that measurements of HELENAs from the Earth's orbit would give us an efficient tool to remotely study the heliosphere.
引用
收藏
页码：439 / 445
页数：7
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