{"paper":{"title":"Three new high-mass X-ray binaries in the Large Magellanic Cloud","arxiv_id":"2203.00625","primary_cat":"astro-ph.SR","submitted_at":"2022-03-01T17:10:32+00:00","version_compiled":"v1"},"notice":"Every quoted sentence is the authors' text from the arXiv listing abstract. Labels and probabilities are the outputs of classifier-1.13.0 on the question bank abstract-p1-20260923, exactly as returned. No sentence in this record was written by a language model.","schema":"pith.compiled-record/v0","status":"compiled","abstract":{"source":"arXiv listing abstract v1","sentences":[{"i":0,"p":0.86,"id":"s0","own":false,"role":"background","text":"The Magellanic Clouds host a large population of high-mass X-ray binary (HMXB) systems, but although the Large Magellanic Cloud (LMC) is an order of magnitude more massive than the Small Magellanic Cloud, significantly fewer HMXBs are known.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.06,"main_claim_p":0.03,"quantitative":true,"quantitative_p":0.97,"role_probabilities":{"gap":0.14,"method":0.0,"result":0.0,"background":0.86,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":0.81,"id":"s1","own":true,"role":"method","text":"We conducted a search for new HMXBs in XMM-Newton observations, which we performed to investigate supernova remnant candidates in the supergiant shells LMC5 and LMC7.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.95,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.25,"role_probabilities":{"gap":0.0,"method":0.81,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.19,"interpretation":0.0}},{"i":2,"p":0.5,"id":"s2","own":false,"role":"background","text":"The three observed fields are located in regions, which were little explored in X-rays before.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.19,"main_claim_p":0.02,"quantitative":false,"quantitative_p":0.18,"role_probabilities":{"gap":0.28,"method":0.17,"result":0.0,"background":0.5,"limitation":0.0,"future_work":0.0,"contribution":0.05,"interpretation":0.0}},{"i":3,"p":0.99,"id":"s3","own":true,"role":"method","text":"We analysed the XMM-Newton data to look for sources with hard X-ray spectrum and counterparts with optical colours and brightness typical for HMXBs.","hedge":{"p":0.86,"label":"asserted"},"own_p":0.94,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.04,"role_probabilities":{"gap":0.0,"method":0.99,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":4,"p":0.88,"id":"s4","own":true,"role":"result","text":"We report the discovery of three new Be/X-ray binaries, two of them showing pulsations in their X-ray flux.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.97,"main_claim_p":0.86,"quantitative":true,"quantitative_p":0.96,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.88,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.12,"interpretation":0.0}},{"i":5,"p":1.0,"id":"s5","own":true,"role":"result","text":"With a luminosity of 6.5e34 erg/s, XMMU J045315.1-693242 in LMC7 was relatively X-ray faint.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.86,"main_claim_p":0.03,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":6,"p":1.0,"id":"s6","own":true,"role":"result","text":"The long-term OGLE I-band light curve of the V = 15.5 mag counterpart suggests a 49.6 day or 24.8 day orbital period for the binary system.","hedge":{"p":1.0,"label":"hedged_possibility"},"own_p":0.71,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":7,"p":1.0,"id":"s7","own":true,"role":"result","text":"XMMU J045736.9-692727, also located in LMC7 was brighter with a luminosity of 5.6e35 erg/s and hard spectrum with a power-law photon index of 0.63.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.9,"main_claim_p":0.05,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":8,"p":1.0,"id":"s8","own":true,"role":"result","text":"The X-ray flux revealed clear pulsations with a period of 317.7 s.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.9,"main_claim_p":0.05,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":9,"p":0.99,"id":"s9","own":true,"role":"method","text":"We obtained optical high resolution spectra from the V = 14.2 mag counterpart using the SALT-HRS spectrograph.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.96,"main_claim_p":0.02,"quantitative":true,"quantitative_p":0.82,"role_probabilities":{"gap":0.0,"method":0.99,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":10,"p":1.0,"id":"s10","own":true,"role":"result","text":"Halpha and Hbeta were observed in emission with complex line profiles and equivalent widths of -8.0 A and -1.3 A, respectively.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.88,"main_claim_p":0.02,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":11,"p":1.0,"id":"s11","own":true,"role":"result","text":"The I-band light curve obtained from OGLE shows a series of four strong outbursts followed by a sudden drop in brightness by more than 1 mag within 73-165 days and a recovery to the level before the outbursts.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.86,"main_claim_p":0.04,"quantitative":true,"quantitative_p":0.99,"role_probabilities":{"gap":0.0,"method":0.0,"result":1.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":12,"p":0.39,"id":"s12","own":false,"role":"background","text":"RX J0524.2-6620, previously classified as X-ray binary candidate, is located at the eastern part of LMC5.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.2,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.2,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.3,"background":0.39,"limitation":0.0,"future_work":0.0,"contribution":0.31,"interpretation":0.0}},{"i":13,"p":0.98,"id":"s13","own":true,"role":"result","text":"We report the discovery of 360.7 s pulsations. 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