{"id":"https://openalex.org/W2136453343","doi":null,"title":"The high latitude pass of ULYSSES: energetic particle observations with EPAC","display_name":"The high latitude pass of ULYSSES: energetic particle observations with EPAC","publication_year":1996,"publication_date":"1996-12-01","ids":{"openalex":"https://openalex.org/W2136453343","mag":"2136453343"},"language":"en","primary_location":{"id":"pmh:oai:pure.mpg.de:item_1861893","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11858/00-001M-0000-0014-D5EE-6","pdf_url":null,"source":{"id":"https://openalex.org/S4306400654","display_name":"MPG.PuRe (Max Planck Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I149899117","host_organization_name":"Max Planck Society","host_organization_lineage":["https://openalex.org/I149899117"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Astronomy and Astrophysics","raw_type":"info:eu-repo/semantics/article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5109809697","display_name":"E. Keppler","orcid":"https://orcid.org/0000-0003-3453-2606","observed_orcids":["https://orcid.org/0000-0003-3453-2606"]},"institutions":[{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},{"id":"https://openalex.org/I4210116419","display_name":"Max Planck Institute for Solar System Research","ror":"https://ror.org/02j6gm739","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"E. Keppler","raw_affiliation_strings":["MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society","institution_ids":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006260594","display_name":"B. Drolias","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. Drolias","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064763865","display_name":"M. Fr\u00e4enz","orcid":"https://orcid.org/0000-0003-4521-2931","observed_orcids":["https://orcid.org/0000-0003-4521-2931"]},"institutions":[{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},{"id":"https://openalex.org/I4210116419","display_name":"Max Planck Institute for Solar System Research","ror":"https://ror.org/02j6gm739","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"M. Fr\u00e4nz","raw_affiliation_strings":["MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society","institution_ids":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009216014","display_name":"A. Korth","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},{"id":"https://openalex.org/I4210116419","display_name":"Max Planck Institute for Solar System Research","ror":"https://ror.org/02j6gm739","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"A. Korth","raw_affiliation_strings":["MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society","institution_ids":["https://openalex.org/I149899117","https://openalex.org/I4210116419"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025366232","display_name":"M. K. Reuss","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. K. Reuss","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009719512","display_name":"J. B. Blake","orcid":"https://orcid.org/0000-0001-7439-4362","observed_orcids":["https://orcid.org/0000-0001-7439-4362"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. B. Blake","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7439-4362","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5034639208","display_name":"J. J. Quenby","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. J. Quenby","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.2681,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.91533702,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"316","issue":"2","first_page":"464","last_page":"480"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9994999766349792,"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/T10251","display_name":"Solar and Space Plasma Dynamics","score":0.9994999766349792,"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/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ulysses","display_name":"Ulysses","score":0.6639999747276306},{"id":"https://openalex.org/keywords/energetic-particles","display_name":"energetic particles","score":0.9259999990463257},{"id":"https://openalex.org/keywords/anomalous-cosmic-rays","display_name":"anomalous cosmic rays","score":0.7120000123977661},{"id":"https://openalex.org/keywords/cosmic-ray-modulation","display_name":"cosmic ray modulation","score":0.7269999980926514},{"id":"https://openalex.org/keywords/corotating-interaction-regions","display_name":"corotating interaction regions","score":0.8659999966621399},{"id":"https://openalex.org/keywords/solar-wind-shocks","display_name":"solar wind shocks","score":0.6690000295639038},{"id":"https://openalex.org/keywords/heliographic-latitude","display_name":"heliographic latitude","score":0.6389999985694885},{"id":"https://openalex.org/keywords/high-latitude-solar-wind","display_name":"high-latitude solar wind","score":0.6119999885559082},{"id":"https://openalex.org/keywords/galactic-cosmic-rays","display_name":"galactic cosmic rays","score":0.6980000138282776},{"id":"https://openalex.org/keywords/c-o-ratio","display_name":"C/O ratio","score":0.6470000147819519},{"id":"https://openalex.org/keywords/differential-rotation","display_name":"differential rotation","score":0.39100000262260437}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8845094442367554},{"id":"https://openalex.org/C29705727","wikidata":"https://www.wikidata.org/wiki/Q294562","display_name":"Polar","level":2,"score":0.7625088691711426},{"id":"https://openalex.org/C193587279","wikidata":"https://www.wikidata.org/wiki/Q79852","display_name":"Ecliptic","level":4,"score":0.7367678880691528},{"id":"https://openalex.org/C122523270","wikidata":"https://www.wikidata.org/wiki/Q34027","display_name":"Latitude","level":2,"score":0.7311200499534607},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7080380916595459},{"id":"https://openalex.org/C111309251","wikidata":"https://www.wikidata.org/wiki/Q11547","display_name":"Cosmic ray","level":2,"score":0.5649919509887695},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5291624069213867},{"id":"https://openalex.org/C54834619","wikidata":"https://www.wikidata.org/wiki/Q131687","display_name":"Heliosphere","level":4,"score":0.48082292079925537},{"id":"https://openalex.org/C108411613","wikidata":"https://www.wikidata.org/wiki/Q79833","display_name":"Solar wind","level":3,"score":0.47685039043426514},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.3340781331062317},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.19578292965888977},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:pure.mpg.de:item_1861893","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/11858/00-001M-0000-0014-D5EE-6","pdf_url":null,"source":{"id":"https://openalex.org/S4306400654","display_name":"MPG.PuRe (Max Planck Society)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I149899117","host_organization_name":"Max Planck Society","host_organization_lineage":["https://openalex.org/I149899117"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Astronomy and Astrophysics","raw_type":"info:eu-repo/semantics/article"},{"id":"mag:2136453343","doi":null,"is_oa":false,"landing_page_url":"http://aa.springer.de/papers/6316002/2300464.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Astronomy and Astrophysics","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7100797206","https://openalex.org/W2108903146","https://openalex.org/W1971403150","https://openalex.org/W2055424302","https://openalex.org/W1609828406","https://openalex.org/W4242587351","https://openalex.org/W2025900619","https://openalex.org/W2043334145","https://openalex.org/W4229875787","https://openalex.org/W1997448465"],"abstract_inverted_index":{"Wereportonobservationsofenergeticparticles(EP)":[0],"duringtheascentofULYSSEStothesouthpole,onthefastpass":[1],"from":[2,75,138],"south":[3,76],"to":[4,55,64,77,88,122,168,211,214],"north":[5,14,78,113],"and":[6,37,47,142,172,178],"in":[7,57,109],"the":[8,13,20,23,39,44,68,93,132,139,163,169,183,194,199,203],"rst":[9],"few":[10],"months":[11],"after":[12],"polar":[15,79,114,201],"pass.":[16,99],"After":[17],"it":[18],"left":[19],"ecliptic":[21],"plane":[22],"spacecraft":[24],"moved":[25],"periodically":[26],"into":[27],"a":[28,83,155],"corotating":[29,184],"(26":[30],"days":[31],"period)":[32],"fast":[33,73,200],"solar":[34],"wind":[35],"stream":[36],"observed":[38,53,91,195],"accelerated":[40,69,193],"EP":[41,196],"associated":[42,190],"with":[43,191],"for-":[45],"ward":[46],"reverse":[48],"shocks.":[49],"Such":[50],"particles":[51,121],"were":[52,134,180],"up":[54],"68":[56],"heliographic":[58],"latitude.":[59],"Only":[60],"when":[61],"ULYSSES":[62],"returned":[63],"lower":[65],"latitudes":[66],"did":[67,117],"beams":[70],"reappear.":[71],"The":[72,112,160],"pass":[74,115,202],"regions":[80,130,187],"showed":[81],"on":[82,92],"compressed":[84],"timescale":[85],"similar":[86],"features":[87],"those":[89],"already":[90],"as-":[94],"cendingpart.ApparentlytherecurrenceperiodoftheEPdidnot":[95],"change":[96],"throughout":[97],"that":[98,176],"No":[100],"evidence":[101],"for":[102],"differential":[103],"rota-":[104],"tion":[105,186],"could":[106],"be":[107,123,212],"found":[108],"our":[110],"data.":[111],"again":[116],"not":[118],"show":[119,154],"energetic":[120],"present":[124],"at":[125],"such":[126],"high":[127],"latitudes.":[128],"In":[129],"where":[131],"intensities":[133],"low,":[135],"we":[136],"identied":[137],"C/O":[140],"ratio":[141],"oxygen":[143],"spectrum":[144],"an":[145],"underlying":[146],"population":[147],"of":[148,162,206],"anomalous":[149],"cosmic":[150],"rays":[151],"(ACR),":[152],"which":[153],"bidirectional":[156],"eld":[157],"aligned":[158],"anisotropy.":[159],"appearance":[161],"EPs":[164],"was":[165,209],"anti-":[166],"correlated":[167],"modulated":[170,181],"ACR":[171,177],"GCRfluxes.":[173],"We":[174],"conclude":[175],"GCR":[179,207],"by":[182],"interac-":[185],"(CIR);":[188],"shocks":[189],"them":[192],"streams.":[197],"During":[198],"latitudinal":[204],"gradient":[205],"protons":[208],"determined":[210],"0.3":[213],"0.4%/de-":[215],"gree.":[216]},"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
