{"id":"https://openalex.org/W18971989","doi":null,"title":"Maintenance of the ICRF using the most stable sources","display_name":"Maintenance of the ICRF using the most stable sources","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W18971989","mag":"18971989"},"language":"en","primary_location":{"id":"mag:18971989","doi":null,"is_oa":false,"landing_page_url":"https://www.iers.org/SharedDocs/Publikationen/EN/IERS/Publications/tn/TechnNote34/tn34_007.pdf?__blob=publicationFile&v=1","pdf_url":null,"source":{"id":"https://openalex.org/S4306512863","display_name":"IERS Technical Note","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"IERS Technical Note","raw_type":null},"volume":null,"type":"article","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/A5110669543","display_name":"A. M. Gontier","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. M. Gontier","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050972957","display_name":"E. F. Arias","orcid":"https://orcid.org/0000-0003-1987-0797","observed_orcids":["https://orcid.org/0000-0003-1987-0797"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E. F. Arias","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1987-0797","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5105844346","display_name":"C. Barache","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. Barache","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7539,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.74898222,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"34","issue":null,"first_page":"7","last_page":"19"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.6284000277519226,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.6284000277519226,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.1234000027179718,"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/T10039","display_name":"Stellar, planetary, and galactic studies","score":0.048700001090765,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/international-celestial-reference-frame","display_name":"International Celestial Reference Frame","score":0.9679999947547913},{"id":"https://openalex.org/keywords/icrs","display_name":"ICRS","score":0.7059999704360962},{"id":"https://openalex.org/keywords/source-selection","display_name":"source selection","score":0.5419999957084656},{"id":"https://openalex.org/keywords/right-ascension","display_name":"right ascension","score":0.6629999876022339},{"id":"https://openalex.org/keywords/very-long-baseline-interferometry","display_name":"very long baseline interferometry","score":0.5759999752044678}],"concepts":[{"id":"https://openalex.org/C12980444","wikidata":"https://www.wikidata.org/wiki/Q23538","display_name":"Equator","level":3,"score":0.6755967736244202},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.5550416707992554},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5494481921195984},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5064092874526978},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4983205795288086},{"id":"https://openalex.org/C2779844322","wikidata":"https://www.wikidata.org/wiki/Q2919140","display_name":"Tilt (camera)","level":2,"score":0.4861857295036316},{"id":"https://openalex.org/C172849965","wikidata":"https://www.wikidata.org/wiki/Q3148875","display_name":"Reference frame","level":3,"score":0.4842505156993866},{"id":"https://openalex.org/C2781089630","wikidata":"https://www.wikidata.org/wiki/Q21856745","display_name":"Realization (probability)","level":2,"score":0.48170119524002075},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4429304003715515},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.42164158821105957},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41897130012512207},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38781508803367615},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2212345004081726},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20916378498077393},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.17950639128684998},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13647964596748352},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12536278367042542},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C122523270","wikidata":"https://www.wikidata.org/wiki/Q34027","display_name":"Latitude","level":2,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:18971989","doi":null,"is_oa":false,"landing_page_url":"https://www.iers.org/SharedDocs/Publikationen/EN/IERS/Publications/tn/TechnNote34/tn34_007.pdf?__blob=publicationFile&v=1","pdf_url":null,"source":{"id":"https://openalex.org/S4306512863","display_name":"IERS Technical Note","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"IERS Technical Note","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1884079175","https://openalex.org/W2039719693"],"related_works":["https://openalex.org/W2033938092","https://openalex.org/W2047726617","https://openalex.org/W2560005316","https://openalex.org/W2994269372","https://openalex.org/W2039719693","https://openalex.org/W6922139170","https://openalex.org/W6959897838","https://openalex.org/W2170424665","https://openalex.org/W2104981431","https://openalex.org/W93543682"],"abstract_inverted_index":{"In":[0],"preparation":[1],"for":[2,90,180],"the":[3,7,19,30,35,44,69,72,79,85,88,91,98,102,133,142,151,164,167,172,181],"next":[4,92],"realization":[5],"of":[6,18,24,29,37,49,60,63,71,75,81,87,101,123,135,144,153,156,166],"VLBI-based":[8],"International":[9],"Celestial":[10],"Reference":[11],"Frame":[12],"(ICRF),":[13],"we":[14],"have":[15],"studied":[16,68],"representations":[17],"ICRS":[20,31],"by":[21,34,54,77],"different":[22,47],"sets":[23,74],"selected":[25],"sources.":[26,184],"The":[27],"axes":[28,103,131,169],"are":[32],"realized":[33,111],"coordinates":[36],"sources":[38,50,76,158],"qualified":[39],"as":[40],"defining":[41],"object":[42],"in":[43,128,163,171],"ICRF.":[45],"A":[46],"selection":[48],"has":[51],"been":[52],"proposed":[53,154],"Feissel-Vernier":[55],"based":[56],"on":[57],"an":[58,121,136,161],"analysis":[59],"time":[61],"series":[62],"radio":[64],"source":[65,173],"coordinates.":[66],"We":[67,95,119,148],"impact":[70],"two":[73],"using":[78],"results":[80],"recent":[82],"analyses":[83],"representing":[84],"state":[86],"art":[89],"ICRF":[93,107,143,168],"realization.":[94],"shown":[96],"that":[97,150],"non-rotation":[99],"condition":[100],"with":[104,112,139],"respect":[105,140],"to":[106,125,141,176],"would":[108,159],"not":[109],"be":[110],"a":[113],"better":[114],"accuracy":[115],"than":[116],"20":[117],"\u03bcas.":[118,147],"notice":[120],"indetermination":[122],"10":[124],"40":[126],"\u03bcas":[127,179],"right":[129],"ascension":[130],"and":[132,170],"presence":[134],"equator":[137],"tilt":[138],"about":[145],"22":[146],"conclude":[149],"use":[152],"set":[155],"stable":[157,183],"allow":[160],"improvement":[162],"maintenance":[165],"position":[174],"precision,":[175],"reach":[177],"30":[178],"253":[182]},"counts_by_year":[],"updated_date":"2026-10-01T08:54:57.152042","created_date":"2016-06-24T00:00:00"}