{"id":"https://openalex.org/W7146986038","doi":"https://doi.org/10.1093/mnras/stag624","title":"Probing burst\u2013disc interaction and disc reflection in SAX J1808.4\u22123658 with NICER, XMM\u2013Newton , and NuSTAR","display_name":"Probing burst\u2013disc interaction and disc reflection in SAX J1808.4\u22123658 with NICER, XMM\u2013Newton , and NuSTAR","publication_year":2026,"publication_date":"2026-03-31","ids":{"openalex":"https://openalex.org/W7146986038","doi":"https://doi.org/10.1093/mnras/stag624"},"language":"en","primary_location":{"id":"doi:10.1093/mnras/stag624","doi":"https://doi.org/10.1093/mnras/stag624","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag624","pdf_url":null,"source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1093/mnras/stag624","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075044495","display_name":"Manoj Mandal","orcid":"https://orcid.org/0000-0002-1894-9084","observed_orcids":["https://orcid.org/0000-0002-1894-9084"]},"institutions":[{"id":"https://openalex.org/I121502294","display_name":"Physical Research Laboratory","ror":"https://ror.org/02p0p4q62","country_code":"IN","type":"facility","lineage":["https://openalex.org/I121502294"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Manoj Mandal","raw_affiliation_strings":["Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,"],"raw_orcid":"https://orcid.org/0000-0002-1894-9084","affiliations":[{"raw_affiliation_string":"Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,","institution_ids":["https://openalex.org/I121502294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024902025","display_name":"Sachindra Naik","orcid":"https://orcid.org/0000-0003-2865-4666","observed_orcids":["https://orcid.org/0000-0003-2865-4666"]},"institutions":[{"id":"https://openalex.org/I121502294","display_name":"Physical Research Laboratory","ror":"https://ror.org/02p0p4q62","country_code":"IN","type":"facility","lineage":["https://openalex.org/I121502294"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sachindra Naik","raw_affiliation_strings":["Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,"],"raw_orcid":"https://orcid.org/0000-0003-2865-4666","affiliations":[{"raw_affiliation_string":"Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,","institution_ids":["https://openalex.org/I121502294"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018491425","display_name":"Birendra Chhotaray","orcid":"https://orcid.org/0000-0002-9680-7233","observed_orcids":["https://orcid.org/0000-0002-9680-7233"]},"institutions":[{"id":"https://openalex.org/I121502294","display_name":"Physical Research Laboratory","ror":"https://ror.org/02p0p4q62","country_code":"IN","type":"facility","lineage":["https://openalex.org/I121502294"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Birendra Chhotaray","raw_affiliation_strings":["Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,"],"raw_orcid":"https://orcid.org/0000-0002-9680-7233","affiliations":[{"raw_affiliation_string":"Astronomy and Astrophysics Division, Physical Research Laboratory , Navrangpura, Ahmedabad-380009, Gujarat ,","institution_ids":["https://openalex.org/I121502294"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5075044495"],"corresponding_institution_ids":["https://openalex.org/I121502294"],"apc_list":{"value":2310,"currency":"GBP","value_usd":3046},"apc_paid":{"value":2310,"currency":"GBP","value_usd":3046},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.23567935,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"548","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9473000168800354,"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/T10744","display_name":"Astrophysical Phenomena and Observations","score":0.9473000168800354,"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/T10463","display_name":"Pulsars and Gravitational Waves Research","score":0.04050000011920929,"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/T11323","display_name":"Gamma-ray bursts and supernovae","score":0.00559999980032444,"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/sax-j1808-4-3658","display_name":"SAX J1808.4-3658","score":0.9819999933242798},{"id":"https://openalex.org/keywords/millisecond-x-ray-pulsars","display_name":"millisecond X-ray pulsars","score":0.9470000267028809},{"id":"https://openalex.org/keywords/thermonuclear-x-ray-bursts","display_name":"thermonuclear X-ray bursts","score":0.9570000171661377},{"id":"https://openalex.org/keywords/photospheric-radius-expansion","display_name":"photospheric radius expansion","score":0.9620000123977661},{"id":"https://openalex.org/keywords/neutron-stars","display_name":"neutron stars","score":0.6430000066757202},{"id":"https://openalex.org/keywords/inner-disc-radius","display_name":"inner disc radius","score":0.7099999785423279},{"id":"https://openalex.org/keywords/disk-inclination","display_name":"disk inclination","score":0.6880000233650208},{"id":"https://openalex.org/keywords/neutron-star-magnetic-field","display_name":"neutron star magnetic field","score":0.8460000157356262},{"id":"https://openalex.org/keywords/x-ray-emission-lines","display_name":"X-ray emission lines","score":0.5410000085830688},{"id":"https://openalex.org/keywords/persistent-x-ray-emission","display_name":"persistent X-ray emission","score":0.5870000123977661}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9506999850273132},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.7202000021934509},{"id":"https://openalex.org/C108884401","wikidata":"https://www.wikidata.org/wiki/Q6372","display_name":"Photosphere","level":3,"score":0.6998000144958496},{"id":"https://openalex.org/C157909335","wikidata":"https://www.wikidata.org/wiki/Q900097","display_name":"Black-body radiation","level":3,"score":0.6761999726295471},{"id":"https://openalex.org/C65682993","wikidata":"https://www.wikidata.org/wiki/Q1056451","display_name":"Reflection (computer programming)","level":2,"score":0.6525999903678894},{"id":"https://openalex.org/C72260207","wikidata":"https://www.wikidata.org/wiki/Q7783221","display_name":"Thermonuclear fusion","level":3,"score":0.6482999920845032},{"id":"https://openalex.org/C192887742","wikidata":"https://www.wikidata.org/wiki/Q4202","display_name":"Neutron star","level":2,"score":0.603600025177002},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.5825999975204468},{"id":"https://openalex.org/C90639681","wikidata":"https://www.wikidata.org/wiki/Q1940232","display_name":"Millisecond pulsar","level":3,"score":0.5720999836921692},{"id":"https://openalex.org/C110363677","wikidata":"https://www.wikidata.org/wiki/Q4360","display_name":"Pulsar","level":2,"score":0.48429998755455017},{"id":"https://openalex.org/C68709404","wikidata":"https://www.wikidata.org/wiki/Q1134475","display_name":"Flux (metallurgy)","level":2,"score":0.4632999897003174},{"id":"https://openalex.org/C2776401274","wikidata":"https://www.wikidata.org/wiki/Q3756855","display_name":"Accretion (finance)","level":2,"score":0.46140000224113464},{"id":"https://openalex.org/C74902906","wikidata":"https://www.wikidata.org/wiki/Q1190858","display_name":"Radiative transfer","level":2,"score":0.43140000104904175},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.42500001192092896},{"id":"https://openalex.org/C198352243","wikidata":"https://www.wikidata.org/wiki/Q37105","display_name":"Line (geometry)","level":2,"score":0.41589999198913574},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.3296000063419342},{"id":"https://openalex.org/C96141758","wikidata":"https://www.wikidata.org/wiki/Q216817","display_name":"Emission spectrum","level":3,"score":0.3239000141620636},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.3050000071525574},{"id":"https://openalex.org/C117808444","wikidata":"https://www.wikidata.org/wiki/Q853005","display_name":"Eddington luminosity","level":4,"score":0.29899999499320984},{"id":"https://openalex.org/C109663097","wikidata":"https://www.wikidata.org/wiki/Q182453","display_name":"Adiabatic process","level":2,"score":0.29170000553131104},{"id":"https://openalex.org/C546029482","wikidata":"https://www.wikidata.org/wiki/Q560","display_name":"Helium","level":2,"score":0.28380000591278076},{"id":"https://openalex.org/C162635859","wikidata":"https://www.wikidata.org/wiki/Q6449","display_name":"Stellar magnetic field","level":5,"score":0.2786000072956085},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.26840001344680786},{"id":"https://openalex.org/C157479481","wikidata":"https://www.wikidata.org/wiki/Q177831","display_name":"Magnetic flux","level":3,"score":0.2651999890804291},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.26089999079704285},{"id":"https://openalex.org/C196046385","wikidata":"https://www.wikidata.org/wiki/Q523919","display_name":"Implosion","level":3,"score":0.26019999384880066}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/mnras/stag624","doi":"https://doi.org/10.1093/mnras/stag624","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag624","pdf_url":null,"source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1093/mnras/stag624","doi":"https://doi.org/10.1093/mnras/stag624","is_oa":true,"landing_page_url":"https://doi.org/10.1093/mnras/stag624","pdf_url":null,"source":{"id":"https://openalex.org/S195663288","display_name":"Monthly Notices of the Royal Astronomical Society","issn_l":"0035-8711","issn":["0035-8711","1365-2966","1365-8711"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-2","ki-jl-1","norway-1","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Monthly Notices of the Royal Astronomical Society","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":82,"referenced_works":["https://openalex.org/W1657638373","https://openalex.org/W1757987097","https://openalex.org/W1877949361","https://openalex.org/W1981399794","https://openalex.org/W1993344938","https://openalex.org/W1999562183","https://openalex.org/W2003040721","https://openalex.org/W2003144123","https://openalex.org/W2008155829","https://openalex.org/W2018213011","https://openalex.org/W2018467901","https://openalex.org/W2020076772","https://openalex.org/W2020992555","https://openalex.org/W2022711195","https://openalex.org/W2023697462","https://openalex.org/W2027018483","https://openalex.org/W2036006391","https://openalex.org/W2036964656","https://openalex.org/W2039888683","https://openalex.org/W2043384049","https://openalex.org/W2049353534","https://openalex.org/W2063164556","https://openalex.org/W2063754213","https://openalex.org/W2067845723","https://openalex.org/W2068506057","https://openalex.org/W2068769276","https://openalex.org/W2074347757","https://openalex.org/W2078230814","https://openalex.org/W2082569890","https://openalex.org/W2083852799","https://openalex.org/W2088772258","https://openalex.org/W2098488296","https://openalex.org/W2100362844","https://openalex.org/W2101687185","https://openalex.org/W2104986669","https://openalex.org/W2105903052","https://openalex.org/W2114836167","https://openalex.org/W2120656065","https://openalex.org/W2125455595","https://openalex.org/W2131293516","https://openalex.org/W2150218627","https://openalex.org/W2151075639","https://openalex.org/W2151587214","https://openalex.org/W2154051073","https://openalex.org/W2154078330","https://openalex.org/W2156125842","https://openalex.org/W2160963726","https://openalex.org/W2165556817","https://openalex.org/W2196099119","https://openalex.org/W2236249817","https://openalex.org/W2336618866","https://openalex.org/W2484752123","https://openalex.org/W2507215885","https://openalex.org/W2621509250","https://openalex.org/W2769945972","https://openalex.org/W2778372080","https://openalex.org/W2782845810","https://openalex.org/W2792591254","https://openalex.org/W2796090148","https://openalex.org/W2899410878","https://openalex.org/W2903837193","https://openalex.org/W2912670161","https://openalex.org/W2963477573","https://openalex.org/W2971803326","https://openalex.org/W2980246294","https://openalex.org/W3026227426","https://openalex.org/W3092713936","https://openalex.org/W3161395375","https://openalex.org/W3207647586","https://openalex.org/W3208709204","https://openalex.org/W3214876409","https://openalex.org/W3216222278","https://openalex.org/W4213305235","https://openalex.org/W4313592520","https://openalex.org/W4390691236","https://openalex.org/W4391406574","https://openalex.org/W4403775431","https://openalex.org/W4409732274","https://openalex.org/W4410999462","https://openalex.org/W4412385245","https://openalex.org/W4412613039","https://openalex.org/W4414775524"],"related_works":["https://openalex.org/W4412613039","https://openalex.org/W4414775524","https://openalex.org/W7117450254","https://openalex.org/W2899410878","https://openalex.org/W7212124001","https://openalex.org/W2027599026","https://openalex.org/W4402664941","https://openalex.org/W4409732274","https://openalex.org/W7152513788","https://openalex.org/W7099035825"],"abstract_inverted_index":{"ABSTRACT":[0],"We":[1,25,154],"performed":[2],"a":[3,39,79,96,121,157,190],"comprehensive":[4],"study":[5],"of":[6,32,56,62,67,82,98,123,126,150,205,211,232],"thermonuclear":[7,158],"bursts":[8],"from":[9,29,113,164],"the":[10,27,30,50,57,68,72,83,114,124,133,148,151,168,174,215,230,233],"millisecond":[11],"X-ray":[12,180],"pulsar":[13],"SAX":[14,165],"J1808.4\u22123658":[15,166],"with":[16,36,147,161],"XMM\u2013Newton":[17,162],"and":[18,41,48,173,208],"NICER":[19,37],"(Neutron":[20],"star":[21,70],"Interior":[22],"Composition":[23],"ExploreR).":[24],"report":[26],"results":[28,199],"analysis":[31],"an":[33,103,201,209],"intense":[34],"burst":[35,127,159],"using":[38,71,167,189],"self-consistent":[40],"physically":[42],"motivated":[43],"disc":[44,73,175,203],"reflection":[45,74,152,176,181],"modelling":[46,75,177],"approach":[47],"investigate":[49],"burst\u2013disc":[51],"interaction.":[52],"The":[53,90,136,179,197,218],"dynamic":[54],"evolution":[55],"spectral":[58],"parameters":[59],"suggested":[60],"evidence":[61],"photospheric":[63],"radius":[64,204],"expansion":[65,81],"(PRE)":[66],"neutron":[69,234],"approach,":[76],"which":[77],"indicates":[78],"maximum":[80],"photosphere":[84],"up":[85],"to":[86,95,143,223],"$14.8\\pm":[87],"0.7$":[88],"km.":[89],"corresponding":[91],"blackbody":[92],"temperature":[93],"drops":[94],"minimum":[97],"1.9":[99],"keV.":[100],"In":[101],"addition,":[102],"emission":[104,171,188],"line":[105],"at":[106,229],"1":[107,137],"keV":[108,138],"is":[109,141,183,221],"observed,":[110],"possibly":[111],"originating":[112],"Ne":[115],"or":[116],"Fe":[117],"L-band":[118],"transition":[119],"as":[120],"result":[122],"reprocessing":[125],"photons":[128],"by":[129],"cold":[130],"gas":[131],"in":[132,186],"accretion":[134],"disc.":[135],"emission-line":[139],"flux":[140,149],"found":[142],"be":[144,224],"strongly":[145],"correlated":[146],"component.":[153],"also":[155,184],"investigated":[156,185],"observed":[160],"EPIC-PN":[163],"variable":[169],"persistent":[170,187],"method":[172],"approach.":[178],"feature":[182],"NuSTAR":[191,216],"(Nuclear":[192],"Spectroscopic":[193],"Telescope":[194],"Array)":[195],"observation.":[196,217],"best-fitting":[198],"provide":[200],"inner":[202],"$14_{-5.9}^{+9.7}$":[206],"$R_g$":[207],"inclination":[210],"$38^\\circ":[212],"-60^\\circ$":[213],"during":[214],"magnetic":[219],"field":[220],"estimated":[222],"$\\simeq$3.7":[225],"$\\times":[226],"10^8$":[227],"G":[228],"poles":[231],"star..":[235]},"counts_by_year":[],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2026-04-02T00:00:00"}
