{"id":"https://openalex.org/W2611340182","doi":"https://doi.org/10.1109/globalsip.2016.7905797","title":"Signal processing enables the first localization of gamma rays from supermassive black holes","display_name":"Signal processing enables the first localization of gamma rays from supermassive black holes","publication_year":2016,"publication_date":"2016-12-01","ids":{"openalex":"https://openalex.org/W2611340182","doi":"https://doi.org/10.1109/globalsip.2016.7905797","mag":"2611340182"},"language":"en","primary_location":{"id":"doi:10.1109/globalsip.2016.7905797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2016.7905797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","raw_type":"proceedings-article"},"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/A5055616996","display_name":"A. Barnacka","orcid":"https://orcid.org/0000-0001-5655-4158"},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Anna Barnacka","raw_affiliation_strings":["Department of Astronomy, Harvard University, Cambridge, MA"],"affiliations":[{"raw_affiliation_string":"Department of Astronomy, Harvard University, Cambridge, MA","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5055616996"],"corresponding_institution_ids":["https://openalex.org/I136199984"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0613418,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"697","issue":null,"first_page":"30","last_page":"34"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10818","display_name":"Astrophysics and Cosmic Phenomena","score":1.0,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.9977999925613403,"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/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.9972000122070312,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.8933101892471313},{"id":"https://openalex.org/keywords/supermassive-black-hole","display_name":"Supermassive black hole","score":0.8634111881256104},{"id":"https://openalex.org/keywords/angular-resolution","display_name":"Angular resolution (graph drawing)","score":0.6475355625152588},{"id":"https://openalex.org/keywords/astrophysics","display_name":"Astrophysics","score":0.6084756851196289},{"id":"https://openalex.org/keywords/galaxy","display_name":"Galaxy","score":0.5961741805076599},{"id":"https://openalex.org/keywords/monte-carlo-method","display_name":"Monte Carlo method","score":0.5216556191444397},{"id":"https://openalex.org/keywords/photon","display_name":"Photon","score":0.5076290369033813},{"id":"https://openalex.org/keywords/gravitational-lens","display_name":"Gravitational lens","score":0.47601041197776794},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.45535778999328613},{"id":"https://openalex.org/keywords/universe","display_name":"Universe","score":0.43029066920280457},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.22618401050567627},{"id":"https://openalex.org/keywords/redshift","display_name":"Redshift","score":0.09910151362419128}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8933101892471313},{"id":"https://openalex.org/C173120059","wikidata":"https://www.wikidata.org/wiki/Q40392","display_name":"Supermassive black hole","level":3,"score":0.8634111881256104},{"id":"https://openalex.org/C133848361","wikidata":"https://www.wikidata.org/wiki/Q4764027","display_name":"Angular resolution (graph drawing)","level":2,"score":0.6475355625152588},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.6084756851196289},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.5961741805076599},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.5216556191444397},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.5076290369033813},{"id":"https://openalex.org/C68498078","wikidata":"https://www.wikidata.org/wiki/Q185243","display_name":"Gravitational lens","level":4,"score":0.47601041197776794},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.45535778999328613},{"id":"https://openalex.org/C84999194","wikidata":"https://www.wikidata.org/wiki/Q1","display_name":"Universe","level":2,"score":0.43029066920280457},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.22618401050567627},{"id":"https://openalex.org/C33024259","wikidata":"https://www.wikidata.org/wiki/Q76250","display_name":"Redshift","level":3,"score":0.09910151362419128},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globalsip.2016.7905797","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globalsip.2016.7905797","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1985293929","https://openalex.org/W2125945143","https://openalex.org/W2137939040","https://openalex.org/W2147528270","https://openalex.org/W2150637141","https://openalex.org/W2162061291","https://openalex.org/W2167277890","https://openalex.org/W3014018053","https://openalex.org/W3088031183","https://openalex.org/W3098119281","https://openalex.org/W3101960779","https://openalex.org/W3103490730","https://openalex.org/W3105377677","https://openalex.org/W3105396298","https://openalex.org/W3106444202","https://openalex.org/W3125955540","https://openalex.org/W4206194712","https://openalex.org/W6775841859","https://openalex.org/W6783439682","https://openalex.org/W7048336340"],"related_works":["https://openalex.org/W3044404284","https://openalex.org/W3142451764","https://openalex.org/W2329554320","https://openalex.org/W2921329857","https://openalex.org/W3009095527","https://openalex.org/W2430098712","https://openalex.org/W2033355946","https://openalex.org/W1678294615","https://openalex.org/W3104807960","https://openalex.org/W1987244993"],"abstract_inverted_index":{"The":[0],"highest":[1],"energy":[2],"photons":[3],"in":[4,172],"the":[5,36,80,90,93,97,104,112,116,165,176],"universe":[6],"come":[7],"from":[8],"jets":[9,23,174],"of":[10,32,92,103,115,147,153,168],"relativistic":[11],"plasma":[12],"powered":[13],"by":[14,27,150],"supermassive":[15],"black":[16],"holes.":[17],"Our":[18],"ability":[19],"to":[20,96,110,126,163],"study":[21],"these":[22,68],"is":[24,121],"severely":[25],"limited":[26],"a":[28,58],"poor":[29],"angular":[30,145],"resolution":[31,146],"gamma-ray":[33,63,169],"telescopes.":[34],"However,":[35],"deep":[37],"gravitational":[38,48],"potentials":[39],"surrounding":[40],"galaxies":[41],"act":[42],"as":[43],"natural":[44],"`gravitational'":[45],"lenses.":[46],"These":[47,85],"lenses":[49],"split":[50],"background":[51],"sources":[52,81],"into":[53],"multiple":[54,69],"images,":[55,70],"each":[56],"with":[57,138],"gravitationally-induced":[59],"time":[60,75,86,105,131],"delay.":[61],"Though":[62],"telescopes":[64],"cannot":[65],"spatially":[66],"resolve":[67],"they":[71],"can":[72,107],"infer":[73,111],"those":[74],"delays":[76,87],"between":[77],"them":[78],"if":[79],"are":[82],"intrinsically":[83],"variable.":[84],"depend":[88],"on":[89],"position":[91],"source":[94],"relative":[95],"lensing":[98],"galaxy.":[99],"A":[100],"precise":[101],"measurement":[102],"delay":[106,132],"be":[108],"used":[109],"exact":[113],"location":[114],"gamma":[117],"ray":[118],"sources,":[119],"which":[120],"impossible":[122],"otherwise.":[123],"In":[124],"order":[125],"obtain":[127],"accurate":[128],"and":[129,160],"robust":[130],"measurements,":[133],"I":[134],"combine":[135],"signal":[136],"processing":[137],"Monte":[139],"Carlo":[140],"simulations.":[141],"My":[142],"approach":[143],"improves":[144],"modern":[148],"instruments":[149],"six":[151],"orders":[152],"magnitude":[154],"(\u00d710":[155],"<sup":[156],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[157],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">6</sup>":[158],")":[159],"allows":[161],"me":[162],"elucidate":[164],"spatial":[166],"origin":[167],"radiation":[170],"produced":[171],"extragalactic":[173],"for":[175],"first":[177],"time.":[178]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
