{"id":"https://openalex.org/W2124202014","doi":"https://doi.org/10.1029/jz071i013p03325","title":"The interplanetary electron number density from preliminary analysis of the Pioneer 6 Radio Propagation Experiment","display_name":"The interplanetary electron number density from preliminary analysis of the Pioneer 6 Radio Propagation Experiment","publication_year":1966,"publication_date":"1966-07-01","ids":{"openalex":"https://openalex.org/W2124202014","doi":"https://doi.org/10.1029/jz071i013p03325","mag":"2124202014"},"language":"en","primary_location":{"id":"doi:10.1029/jz071i013p03325","doi":"https://doi.org/10.1029/jz071i013p03325","is_oa":false,"landing_page_url":"https://doi.org/10.1029/jz071i013p03325","pdf_url":null,"source":{"id":"https://openalex.org/S207178839","display_name":"Journal of Geophysical Research Atmospheres","issn_l":"0148-0227","issn":["0148-0227","2156-2202","2169-897X","2169-8996"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-2","poland-100","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315809","host_organization_name":"American Geophysical Union","host_organization_lineage":["https://openalex.org/P4310315809"],"host_organization_lineage_names":["American Geophysical Union"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geophysical Research","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030176497","display_name":"Von R. Eshleman","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"V. R. Eshleman","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032147334","display_name":"Owen K. Garriott","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"O. K. Garriott","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029894666","display_name":"Ray L. Leadabrand","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. L. Leadabrand","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111499640","display_name":"Allen M. Peterson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. M. Peterson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079408233","display_name":"H. T. Howard","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H. T. Howard","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016698405","display_name":"R. L. Koehler","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. L. Koehler","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034485289","display_name":"R. A. Long","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. A Long","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5071677838","display_name":"Bruce B. Lusignan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. B. Lusignan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4070,"currency":"USD","value_usd":4070},"apc_paid":null,"fwci":7.2951,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.96998965,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"71","issue":"13","first_page":"3325","last_page":"3327"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9556000232696533,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9556000232696533,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.041099999099969864,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10781","display_name":"Plasma Diagnostics and Applications","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pioneer-6","display_name":"Pioneer 6","score":0.9769999980926514},{"id":"https://openalex.org/keywords/solar-wind","display_name":"solar wind","score":0.6539999842643738},{"id":"https://openalex.org/keywords/ionospheric-electrons","display_name":"ionospheric electrons","score":0.5680000185966492},{"id":"https://openalex.org/keywords/magnetospheric-electrons","display_name":"magnetospheric electrons","score":0.953000009059906}],"concepts":[{"id":"https://openalex.org/C194462397","wikidata":"https://www.wikidata.org/wiki/Q834235","display_name":"Interplanetary spaceflight","level":4,"score":0.6154497265815735},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6100476384162903},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.48275941610336304},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.4607274532318115},{"id":"https://openalex.org/C125485243","wikidata":"https://www.wikidata.org/wiki/Q905186","display_name":"Electron density","level":3,"score":0.4602872431278229},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.3809831738471985},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.35689878463745117},{"id":"https://openalex.org/C87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","level":1,"score":0.33487996459007263},{"id":"https://openalex.org/C108411613","wikidata":"https://www.wikidata.org/wiki/Q79833","display_name":"Solar wind","level":3,"score":0.30480948090553284},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.3034420609474182},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.2758871912956238}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1029/jz071i013p03325","doi":"https://doi.org/10.1029/jz071i013p03325","is_oa":false,"landing_page_url":"https://doi.org/10.1029/jz071i013p03325","pdf_url":null,"source":{"id":"https://openalex.org/S207178839","display_name":"Journal of Geophysical Research Atmospheres","issn_l":"0148-0227","issn":["0148-0227","2156-2202","2169-897X","2169-8996"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-2","poland-100","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315809","host_organization_name":"American Geophysical Union","host_organization_lineage":["https://openalex.org/P4310315809"],"host_organization_lineage_names":["American Geophysical Union"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geophysical Research","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1643442070","https://openalex.org/W2153574583","https://openalex.org/W3033955903","https://openalex.org/W1979378530","https://openalex.org/W2013286986","https://openalex.org/W2078688148","https://openalex.org/W2008481270","https://openalex.org/W2067171037","https://openalex.org/W3000100069","https://openalex.org/W2118061936"],"abstract_inverted_index":{"This":[0],"is":[1,72],"a":[2,20,73,78],"preliminary":[3],"report":[4],"on":[5,13],"one":[6],"aspect":[7],"of":[8,19,23,85,130,142],"the":[9,24,45,52,62,82,90,102,106,116,126,131,140],"radio":[10],"propagation":[11],"experiment":[12],"Pioneer":[14,29],"6.":[15],"From":[16],"an":[17,136],"analysis":[18],"small":[21],"fraction":[22],"differential":[25],"group-path":[26],"data":[27],"from":[28,36,65,115,125,139],"and":[30,58,92,98,111,118,122],"simultaneous":[31],"ionospheric":[32],"measurements":[33,83],"using":[34],"signals":[35],"two":[37],"Beacon":[38],"satellites,":[39],"it":[40],"has":[41],"been":[42],"determined":[43],"that":[44],"average":[46],"interplanetary":[47],"electron":[48,87],"number":[49,133],"density":[50,134],"near":[51],"earth's":[53],"orbit":[54],"was":[55,108],"between":[56,89,109,119],"8":[57],"9":[59],"cm-3":[60],"in":[61],"time":[63,104],"interval":[64],"February":[66],"20":[67],"to":[68],"April":[69],"9,":[70],"1966.\r\n\r\nThis":[71],"spatial":[74],"as":[75,77],"well":[76],"temporal":[79],"average,":[80],"since":[81],"are":[84],"columnar":[86],"content":[88],"earth":[91,117],"spacecraft,":[93],"corrected":[94],"for":[95],"near-earth":[96],"(ionospheric":[97],"magnetospheric)":[99],"electrons.":[100],"During":[101],"indicated":[103],"interval,":[105],"spacecraft":[107],"10":[110],"31":[112],"million":[113],"km":[114],"about":[120,143],"0.93":[121],"0.86":[123],"AU":[124],"sun.":[127],"Temporal":[128],"variations":[129],"spatial-average":[132],"caused":[135],"rms":[137],"deviation":[138],"mean":[141],"4.4":[144],"cm\u22123.":[145]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-10-17T09:40:24.721904","created_date":"2016-06-24T00:00:00"}