Detection of cometary ions at a distance of seven million kilometers upstream of comet halley

Koh Ichiro Oyama; Takumi Abe; Takashi Okuzawa; Ichishiro Konno

doi:10.1016/0032-0633(89)90092-5

Detection of cometary ions at a distance of seven million kilometers upstream of comet halley

Koh Ichiro Oyama, Takumi Abe, Takashi Okuzawa, Ichishiro Konno

太空與電漿科學研究所

研究成果: Article › 同行評審

摘要

Between 10 and 12 March 1986 Japan's interplanetary spacecraft, Sakigake, traversed the front of comet Halley. The closest approach was at 04:17:00 U.T. on 11 March at a distance of 7 × 10⁶ km. A small fluctuation of solar wind velocity due to H₂O⁺ ions was first detected at the closest approach. However, maximum fluctuation was detected between 22:30:00 and 24:00:00 U.T. on 11 March. The spacecraft was closer than the time of closest approach to the trajectory of comet Halley during this time period. This might suggest that H₂O still remains along the path of comet Halley.

原文	English
頁（從 - 到）	517-524
頁數	8
期刊	Planetary and Space Science
卷	37
發行號	5
DOIs	https://doi.org/10.1016/0032-0633(89)90092-5
出版狀態	Published - 1989 五月

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1016/0032-0633(89)90092-5

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引用此

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abstract = "Between 10 and 12 March 1986 Japan's interplanetary spacecraft, Sakigake, traversed the front of comet Halley. The closest approach was at 04:17:00 U.T. on 11 March at a distance of 7 × 106 km. A small fluctuation of solar wind velocity due to H2O+ ions was first detected at the closest approach. However, maximum fluctuation was detected between 22:30:00 and 24:00:00 U.T. on 11 March. The spacecraft was closer than the time of closest approach to the trajectory of comet Halley during this time period. This might suggest that H2O still remains along the path of comet Halley.",

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AU - Oyama, Koh Ichiro

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AU - Konno, Ichishiro

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