{"id":"https://openalex.org/W1975489653","doi":"https://doi.org/10.1086/143406","title":"An Application of the Radiometer: a Registering Microphotometer","display_name":"An Application of the Radiometer: a Registering Microphotometer","publication_year":1932,"publication_date":"1932-09-01","ids":{"openalex":"https://openalex.org/W1975489653","doi":"https://doi.org/10.1086/143406","mag":"1975489653"},"language":"en","primary_location":{"id":"doi:10.1086/143406","doi":"https://doi.org/10.1086/143406","is_oa":false,"landing_page_url":"https://doi.org/10.1086/143406","pdf_url":null,"source":{"id":"https://openalex.org/S1980519","display_name":"The Astrophysical Journal","issn_l":"0004-637X","issn":["0004-637X","1538-4357"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-1","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astrophysical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"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/A5112655755","display_name":"Sinclair Smith","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sinclair Smith","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100899674","display_name":"Jr. Wilson Olin C.","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Olin C., Jr. Wilson","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":4499,"currency":"USD","value_usd":4499},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.05142857,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"76","issue":null,"first_page":"117","last_page":"117"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12917","display_name":"Astronomy and Astrophysical Research","score":0.9169999957084656,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T12917","display_name":"Astronomy and Astrophysical Research","score":0.9169999957084656,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T14257","display_name":"Advanced Measurement and Detection Methods","score":0.047600001096725464,"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"}},{"id":"https://openalex.org/T12019","display_name":"Calibration and Measurement Techniques","score":0.013700000010430813,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/microphotometer","display_name":"microphotometer","score":0.7459999918937683},{"id":"https://openalex.org/keywords/radiometer","display_name":"radiometer","score":0.9570000171661377},{"id":"https://openalex.org/keywords/instrument-construction","display_name":"instrument construction","score":0.628000020980835},{"id":"https://openalex.org/keywords/photometric-precision","display_name":"photometric precision","score":0.5899999737739563}],"concepts":[{"id":"https://openalex.org/C2778489119","wikidata":"https://www.wikidata.org/wiki/Q1962297","display_name":"Reprint","level":2,"score":0.7773411273956299},{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.7018300294876099},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6877228021621704},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.44818025827407837},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4312279224395752},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.41012537479400635},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.2765744924545288},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27416250109672546},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.23720180988311768},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.16444620490074158},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10499995946884155},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1086/143406","doi":"https://doi.org/10.1086/143406","is_oa":false,"landing_page_url":"https://doi.org/10.1086/143406","pdf_url":null,"source":{"id":"https://openalex.org/S1980519","display_name":"The Astrophysical Journal","issn_l":"0004-637X","issn":["0004-637X","1538-4357"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-1","ki-jl-1","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Astrophysical Journal","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/W1966723212","https://openalex.org/W3081206154","https://openalex.org/W3119046693","https://openalex.org/W2013924836","https://openalex.org/W3156626621","https://openalex.org/W1997636554","https://openalex.org/W876706731","https://openalex.org/W2416752224","https://openalex.org/W2060711762","https://openalex.org/W4244996325"],"abstract_inverted_index":{"A":[0],"registering":[1],"microphotometer":[2],"is":[3,9,36],"described":[4],"in":[5],"which":[6],"a":[7],"radiometer":[8],"used":[10],"as":[11,21,23],"the":[12],"light-":[13],"sensitive":[14],"element.":[15],"The":[16,47],"instrument":[17],"has":[18],"been":[19],"made":[20],"simple":[22],"possible":[24],"without":[25],"sacrifice":[26],"of":[27,49],"performance,":[28],"and":[29,39,53],"tests":[30],"seem":[31],"to":[32,45],"show":[33],"that":[34],"it":[35],"both":[37],"fast":[38],"precise,":[40],"besides":[41],"being":[42],"very":[43],"easy":[44],"operate.":[46],"details":[48],"construction":[50],"are":[51,57],"discussed":[52],"some":[54],"typical":[55],"records":[56],"reproduced":[58]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}