Effects of charge exchange and photoionization on the interaction between the solar wind and unmagnetized planets
The effects of photoionization and charge exchange were compared by using three‐dimensional hybrid code simulations of the interaction between the solar wind and Venus. The direction of the shock altitude asymmetry in the direction of the convection electric field when photoionization was included w...
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| Veröffentlicht in: | Journal of Geophysical Research 2001-09, Vol.106 (A9), p.18751-18761 |
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| container_issue | A9 |
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| container_title | Journal of Geophysical Research |
| container_volume | 106 |
| creator | Shimazu, Hironori |
| description | The effects of photoionization and charge exchange were compared by using three‐dimensional hybrid code simulations of the interaction between the solar wind and Venus. The direction of the shock altitude asymmetry in the direction of the convection electric field when photoionization was included was contrary to observations near Venus. However, when charge exchange was included, the direction of the asymmetry did agree with the observations. An analysis of the simulation results showed that the velocities of pickup ions and electrons differed near locations where charge exchange occurred. This velocity difference caused an electric current, and it generated a strong magnetic barrier on the side of the planet to which the convection electric field was pointing. This magnetic barrier acted as an obstacle to the solar wind, and the shock was inflated on this side. |
| doi_str_mv | 10.1029/2001JA900010 |
| format | Article |
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The direction of the shock altitude asymmetry in the direction of the convection electric field when photoionization was included was contrary to observations near Venus. However, when charge exchange was included, the direction of the asymmetry did agree with the observations. An analysis of the simulation results showed that the velocities of pickup ions and electrons differed near locations where charge exchange occurred. This velocity difference caused an electric current, and it generated a strong magnetic barrier on the side of the planet to which the convection electric field was pointing. 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This magnetic barrier acted as an obstacle to the solar wind, and the shock was inflated on this side.</description><subject>Astronomy</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Interplanetary space</subject><subject>Solar system</subject><subject>Solar wind interactions with planets, satellites, and comets</subject><issn>0148-0227</issn><issn>2156-2202</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNp9kFtLJDEQhYMoOKhv_oB-0aftNbe-5HEQnfXCLjiK4EuozlScaE_3mGQY9ddvZlt0n4SCcyi-cyiKkENGfzLK1QmnlF2OFU1Ct8iIs6LMOad8m4wok3VOOa92yUEITwmhsiglZSPycmYtmhiy3mZmDv4RM3xNpksGulm2nPexd33n3iEmydLEOWaui-jB_Fs1GNeIwz70Lfhs7VJyk151C3jsMLp3TFUtJBv2yY6FNuDBh-6Ru_Oz29Nf-fWfycXp-Do3kpUiN1BLWUkhS1UzUAiGMmWNlApZw2VhFVhlTANlo1QlZjOpZpW1BW8QS-Ao9sjx0Lv0_csKQ9QLFwy2myv6VdC8rARTSiXwxwAa34fg0eqldwvwb5pRvXmt_v-1CT_66IVgoLUeOuPCV0bSktYFT5wYuLVr8e3bTn05uRmzQhUipfIh5ULE188U-Ged7q0Kff97ouX0ajqpp0I_iL95Opgp</recordid><startdate>20010901</startdate><enddate>20010901</enddate><creator>Shimazu, Hironori</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20010901</creationdate><title>Effects of charge exchange and photoionization on the interaction between the solar wind and unmagnetized planets</title><author>Shimazu, Hironori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4163-ca84474346981a9eac019fc449e1b245f9af9ccba6b9973dd49d7ff52bee6a2e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Astronomy</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Interplanetary space</topic><topic>Solar system</topic><topic>Solar wind interactions with planets, satellites, and comets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shimazu, Hironori</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of Geophysical Research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shimazu, Hironori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of charge exchange and photoionization on the interaction between the solar wind and unmagnetized planets</atitle><jtitle>Journal of Geophysical Research</jtitle><addtitle>J. Geophys. Res</addtitle><date>2001-09-01</date><risdate>2001</risdate><volume>106</volume><issue>A9</issue><spage>18751</spage><epage>18761</epage><pages>18751-18761</pages><issn>0148-0227</issn><eissn>2156-2202</eissn><abstract>The effects of photoionization and charge exchange were compared by using three‐dimensional hybrid code simulations of the interaction between the solar wind and Venus. The direction of the shock altitude asymmetry in the direction of the convection electric field when photoionization was included was contrary to observations near Venus. However, when charge exchange was included, the direction of the asymmetry did agree with the observations. An analysis of the simulation results showed that the velocities of pickup ions and electrons differed near locations where charge exchange occurred. 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| identifier | ISSN: 0148-0227 |
| ispartof | Journal of Geophysical Research, 2001-09, Vol.106 (A9), p.18751-18761 |
| issn | 0148-0227 2156-2202 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26731999 |
| source | Wiley Online Library Journals Frontfile Complete; Wiley Free Content; Wiley-Blackwell AGU Digital Library; Alma/SFX Local Collection |
| subjects | Astronomy Earth, ocean, space Exact sciences and technology Interplanetary space Solar system Solar wind interactions with planets, satellites, and comets |
| title | Effects of charge exchange and photoionization on the interaction between the solar wind and unmagnetized planets |
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