{"id":"https://openalex.org/W3196733901","doi":"https://doi.org/10.1109/access.2021.3108638","title":"The Measurement of PSF Ellipticity of an Unobstructed Off-Axis Space Telescope: Error Analysis","display_name":"The Measurement of PSF Ellipticity of an Unobstructed Off-Axis Space Telescope: Error Analysis","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3196733901","doi":"https://doi.org/10.1109/access.2021.3108638","mag":"3196733901"},"language":"en","primary_location":{"id":"doi:10.1109/access.2021.3108638","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3108638","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09524719.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09524719.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101522811","display_name":"Kuo Chin Fan","orcid":"https://orcid.org/0000-0003-1363-2552"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210088164","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","ror":"https://ror.org/012rct222","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kuo Fan","raw_affiliation_strings":["Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China and University of Chinese Academy of Sciences, Beijing 100049, China. (e-mail: 18243089686@163.com)","Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China"],"affiliations":[{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China and University of Chinese Academy of Sciences, Beijing 100049, China. (e-mail: 18243089686@163.com)","institution_ids":["https://openalex.org/I4210088164"]},{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101778646","display_name":"Jing Luo","orcid":"https://orcid.org/0000-0002-1954-5671"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210088164","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","ror":"https://ror.org/012rct222","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Luo","raw_affiliation_strings":["Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China"],"affiliations":[{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101299790","display_name":"Xu He","orcid":"https://orcid.org/0000-0002-8237-3614"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210088164","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","ror":"https://ror.org/012rct222","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu He","raw_affiliation_strings":["Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China"],"affiliations":[{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100756590","display_name":"Chenghao Li","orcid":"https://orcid.org/0000-0001-5667-7430"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210088164","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","ror":"https://ror.org/012rct222","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenghao Li","raw_affiliation_strings":["Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China"],"affiliations":[{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031999844","display_name":"Xiaohui Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210088164","display_name":"Changchun Institute of Optics, Fine Mechanics and Physics","ror":"https://ror.org/012rct222","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210088164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Zhang","raw_affiliation_strings":["Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China"],"affiliations":[{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences , Changchun, China","institution_ids":["https://openalex.org/I4210088164","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101522811"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210088164"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.4481,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.64004014,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"9","issue":null,"first_page":"120730","last_page":"120743"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","score":0.9976000189781189,"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":0.9939000010490417,"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/physics","display_name":"Physics","score":0.8401803970336914},{"id":"https://openalex.org/keywords/collimator","display_name":"Collimator","score":0.7772797346115112},{"id":"https://openalex.org/keywords/optical-telescope","display_name":"Optical telescope","score":0.7598693370819092},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.700088620185852},{"id":"https://openalex.org/keywords/telescope","display_name":"Telescope","score":0.6842145919799805},{"id":"https://openalex.org/keywords/adaptive-optics","display_name":"Adaptive optics","score":0.6368638277053833},{"id":"https://openalex.org/keywords/observational-error","display_name":"Observational error","score":0.5477331876754761},{"id":"https://openalex.org/keywords/point-spread-function","display_name":"Point spread function","score":0.5064705610275269},{"id":"https://openalex.org/keywords/wavefront","display_name":"Wavefront","score":0.43704670667648315}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8401803970336914},{"id":"https://openalex.org/C2779200277","wikidata":"https://www.wikidata.org/wiki/Q1164658","display_name":"Collimator","level":2,"score":0.7772797346115112},{"id":"https://openalex.org/C202572682","wikidata":"https://www.wikidata.org/wiki/Q35273","display_name":"Optical telescope","level":3,"score":0.7598693370819092},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.700088620185852},{"id":"https://openalex.org/C2780848835","wikidata":"https://www.wikidata.org/wiki/Q4213","display_name":"Telescope","level":2,"score":0.6842145919799805},{"id":"https://openalex.org/C132771110","wikidata":"https://www.wikidata.org/wiki/Q506922","display_name":"Adaptive optics","level":2,"score":0.6368638277053833},{"id":"https://openalex.org/C19619285","wikidata":"https://www.wikidata.org/wiki/Q196372","display_name":"Observational error","level":2,"score":0.5477331876754761},{"id":"https://openalex.org/C69179731","wikidata":"https://www.wikidata.org/wiki/Q510427","display_name":"Point spread function","level":2,"score":0.5064705610275269},{"id":"https://openalex.org/C165699331","wikidata":"https://www.wikidata.org/wiki/Q461533","display_name":"Wavefront","level":2,"score":0.43704670667648315},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2021.3108638","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3108638","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09524719.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:65cc5ec7ca48412ead44a88c765715c6","is_oa":true,"landing_page_url":"https://doaj.org/article/65cc5ec7ca48412ead44a88c765715c6","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 9, Pp 120730-120743 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2021.3108638","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2021.3108638","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09524719.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7806392827","display_name":null,"funder_award_id":"61875190","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G959412280","display_name":null,"funder_award_id":"12003033","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3196733901.pdf","grobid_xml":"https://content.openalex.org/works/W3196733901.grobid-xml"},"referenced_works_count":71,"referenced_works":["https://openalex.org/W1087555491","https://openalex.org/W1494571704","https://openalex.org/W1506057435","https://openalex.org/W1515093212","https://openalex.org/W1659950126","https://openalex.org/W1747867406","https://openalex.org/W1967075527","https://openalex.org/W1969873371","https://openalex.org/W1980902802","https://openalex.org/W1985317500","https://openalex.org/W1986262425","https://openalex.org/W1988118425","https://openalex.org/W1988867764","https://openalex.org/W1995400053","https://openalex.org/W2012508215","https://openalex.org/W2037732787","https://openalex.org/W2038104327","https://openalex.org/W2039303268","https://openalex.org/W2040764525","https://openalex.org/W2041213051","https://openalex.org/W2042768550","https://openalex.org/W2046484633","https://openalex.org/W2048349727","https://openalex.org/W2056467244","https://openalex.org/W2057771221","https://openalex.org/W2064354640","https://openalex.org/W2072700524","https://openalex.org/W2098596607","https://openalex.org/W2100857020","https://openalex.org/W2101404003","https://openalex.org/W2106073835","https://openalex.org/W2124354705","https://openalex.org/W2130591240","https://openalex.org/W2135556708","https://openalex.org/W2141449818","https://openalex.org/W2152017360","https://openalex.org/W2153719234","https://openalex.org/W2169613577","https://openalex.org/W2746516584","https://openalex.org/W2785618554","https://openalex.org/W2859212926","https://openalex.org/W2885865762","https://openalex.org/W2910446544","https://openalex.org/W2951068701","https://openalex.org/W2971770039","https://openalex.org/W2972804538","https://openalex.org/W3022302466","https://openalex.org/W3036690281","https://openalex.org/W3037711895","https://openalex.org/W3099452637","https://openalex.org/W3099744645","https://openalex.org/W3101012925","https://openalex.org/W3101297733","https://openalex.org/W3102152557","https://openalex.org/W3102350624","https://openalex.org/W3102592607","https://openalex.org/W3103177749","https://openalex.org/W3104208187","https://openalex.org/W3105229555","https://openalex.org/W3105912535","https://openalex.org/W3106448032","https://openalex.org/W3106494949","https://openalex.org/W3108140686","https://openalex.org/W3121769860","https://openalex.org/W3122516478","https://openalex.org/W4233874764","https://openalex.org/W4241214195","https://openalex.org/W4248372025","https://openalex.org/W6627107890","https://openalex.org/W6664798802","https://openalex.org/W6680039176"],"related_works":["https://openalex.org/W1985162422","https://openalex.org/W2533099911","https://openalex.org/W4320518818","https://openalex.org/W2007247825","https://openalex.org/W1993860361","https://openalex.org/W2037005401","https://openalex.org/W2003176404","https://openalex.org/W1674937572","https://openalex.org/W3009218303","https://openalex.org/W1996655092"],"abstract_inverted_index":{"It":[0],"is":[1,40,64,144,153,176,188,198,248,254,265,278],"an":[2,71],"effective":[3],"method":[4],"to":[5,28,36,42,66,129,200,220,230,281],"detect":[6],"weak":[7],"gravitational":[8],"lensing":[9],"(WL)":[10],"in":[11,51,285],"the":[12,33,84,113,120,136,142,158,162,174,180,182,192,235,237,251,257,263,268,282],"universe":[13],"by":[14,131],"measuring":[15],"ellipticities":[16],"of":[17,24,49,70,88,92,96,106,112,123,135,161,173,179,185,194,213,226,234,240,259,262,272,294,297],"galaxies":[18],"via":[19],"astronomical":[20],"telescopes.":[21],"Optical":[22],"properties":[23],"telescopes":[25,35,50,298],"are":[26,78,115],"critical":[27],"WL":[29],"detections.":[30],"To":[31,147],"ensure":[32,148],"used":[34],"be":[37,166,201,300],"competent,":[38],"it":[39],"necessary":[41],"measure":[43,67],"point":[44],"spread":[45],"function":[46],"(PSF)":[47],"ellipticity":[48,69,110,125,150,187,217,242,274,296],"labs.":[52],"In":[53,207],"this":[54,286],"paper,":[55,287],"a":[56],"way":[57],"based":[58],"on":[59,108],"simulated":[60,97,195],"star":[61,98,196],"target":[62,197],"imaging":[63],"proposed":[65],"PSF":[68,109,124,149,186,216,241,273,295],"unobstructed":[72],"off-axis":[73],"space":[74],"telescope.":[75],"Related":[76],"errors":[77,219,244],"identified":[79],"and":[80,103,210,250],"modeled":[81],"carefully":[82],"for":[83,290],"first":[85],"time.":[86],"Effects":[87],"detector":[89],"noises,":[90],"micro-vibration":[91,159],"optical":[93,163],"platforms,":[94],"defocusing":[95,193],"target,":[99],"wavefront":[100],"error":[101,122,152,184,271],"(WFE)":[102],"central":[104,211,260],"obstruction":[105,212],"collimators":[107,214],"measurements":[111,293],"telescope":[114],"analyzed.":[116],"Results":[117],"show":[118],"that":[119,178],"measurement":[121,151,183,218,243,270],"decreases":[126],"from":[127],"0.0105":[128],"0.0043":[130],"adopting":[132],"10":[133],"iterations":[134],"iterative":[137],"weighted":[138],"centroiding":[139],"algorithm":[140],"when":[141],"SNR":[143],"under":[145,189],"24dB.":[146],"not":[154,202],"larger":[155,203],"than":[156,168,204],"0.01,":[157],"angle":[160],"platform":[164],"should":[165],"less":[167],"0.05\".":[169],"When":[170],"focal":[171],"length":[172],"collimator":[175,264],"twice":[177],"telescope,":[181],"0.01":[190],"if":[191],"controlled":[199],"0.1":[205,249],"mm.":[206],"addition,":[208],"WFE":[209,233],"change":[215],"different":[221,224],"degrees":[222],"at":[223],"fields":[225],"view":[227],"(FOVs).":[228],"Due":[229],"20nm":[231],"RMS":[232],"collimator,":[236],"maximum":[238,269],"value":[239,253],"over":[245,275],"full":[246,276],"FOVs":[247,277],"average":[252],"0.0269.":[255],"If":[256],"radius":[258],"obscuration":[261],"150":[266],"mm,":[267],"0.0091.":[279],"According":[280],"results":[283],"shown":[284],"significant":[288],"reference":[289],"high":[291],"accuracy":[292],"can":[299],"provided.":[301]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}