globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL060781
论文题名:
A test for whether or not Voyager 1 has crossed the heliopause
作者: Gloeckler G.; Fisk L.A.
刊名: Geophysical Research Letters
ISSN: 0094-9873
EISSN: 1944-9604
出版年: 2014
卷: 41, 期:15
起始页码: 5325
结束页码: 5330
语种: 英语
英文关键词: voyager
Scopus关键词: Earth sciences ; Geophysics ; Magnetic polarity ; Current sheets ; Galactic cosmic rays ; Heliopause ; Heliosheath ; Heliospheres ; Heliospheric current sheet ; Local interstellar medium ; voyager ; Voyager 1 ; Magnetic fields ; Cosmic rays ; cosmic ray ; density ; magnetic field ; solar wind
英文摘要: The Voyager 1 spacecraft is currently in the vicinity of the heliopause, which separates the heliosphere from the local interstellar medium. There has been a precipitous decrease in particles accelerated in the heliosphere and a substantial increase in galactic cosmic rays (GCRs). The evidence is unclear, however, as to whether Voyager 1 has crossed the heliopause into the local interstellar medium or remains within the heliosheath. In this Letter we propose a test that will determine whether Voyager 1 has crossed the heliopause: If Voyager 1 remains in the heliosheath, the high densities observed must be due to compressed solar wind, with the consequence that Voyager 1 will encounter another current sheet, where the polarity of the magnetic field reverses. Voyager 1 observations can be used to predict that the next current sheet crossing is likely to occur during 2015. Key Points Voyager 1 is predicted to encounter the heliospheric current sheet again Such an encounter would demonstrate that Voyager 1 remains in the heliosheath © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84905295846&doi=10.1002%2f2014GL060781&partnerID=40&md5=52e2f7482d632b426c7babc14bc72f79
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7137
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作者单位: Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, MI, United States

Recommended Citation:
Gloeckler G.,Fisk L.A.. A test for whether or not Voyager 1 has crossed the heliopause[J]. Geophysical Research Letters,2014-01-01,41(15).
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