{"paper":{"title":"The White Dwarf Binary Pathways Survey VI: two close post common envelope binaries with TESS light curves","arxiv_id":"2203.01745","primary_cat":"astro-ph.SR","submitted_at":"2022-03-03T14:40:00+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":1.0,"id":"s0","own":false,"role":"background","text":"Establishing a large sample of post common envelope binaries (PCEBs) that consist of a white dwarf plus an intermediate mass companion star of spectral type AFGK, offers the potential to provide new constraints on theoretical models of white dwarf binary formation and evolution.","hedge":{"p":0.98,"label":"hedged_possibility"},"own_p":0.06,"main_claim_p":0.03,"quantitative":false,"quantitative_p":0.1,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":1.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.0}},{"i":1,"p":1.0,"id":"s1","own":true,"role":"contribution","text":"Here we present a detailed analysis of two new systems, TYC 110-755-1 and TYC 3858-1215-1.","hedge":{"p":0.9,"label":"asserted"},"own_p":0.9,"main_claim_p":0.02,"quantitative":true,"quantitative_p":0.57,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.0,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":1.0,"interpretation":0.0}},{"i":2,"p":1.0,"id":"s2","own":true,"role":"result","text":"Based on radial velocity measurements we find the orbital periods of the two systems to be $\\sim$ 0.85 and $\\sim$ 1.64 days, respectively.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.97,"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":3,"p":0.98,"id":"s3","own":true,"role":"result","text":"In addition, HST spectroscopy of TYC 110-755-1 allowed us to measure the mass of the white dwarf in this system (0.78 M$_\\odot$).","hedge":{"p":1.0,"label":"asserted"},"own_p":0.97,"main_claim_p":0.02,"quantitative":true,"quantitative_p":0.98,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.98,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.01,"interpretation":0.0}},{"i":4,"p":0.97,"id":"s4","own":true,"role":"result","text":"We furthermore analysed TESS high time resolution photometry and find both secondary stars to be magnetically extremely active.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.98,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.09,"role_probabilities":{"gap":0.0,"method":0.01,"result":0.97,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.02,"interpretation":0.0}},{"i":5,"p":0.8,"id":"s5","own":true,"role":"result","text":"Differences in the photometric and spectroscopic periods of TYC 110-755-1 indicate that the secondary in this system is differentially rotating.","hedge":{"p":0.87,"label":"hedged_possibility"},"own_p":0.92,"main_claim_p":0.04,"quantitative":false,"quantitative_p":0.14,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.8,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.2}},{"i":6,"p":0.93,"id":"s6","own":true,"role":"interpretation","text":"Finally, studying the past and future evolution of both systems, we conclude that the common envelope efficiency is likely similar in close white dwarf plus AFGK binaries and PCEBs with M-dwarf companions and find a wide range of possible evolutionary histories for both systems.","hedge":{"p":0.97,"label":"hedged_possibility"},"own_p":0.94,"main_claim_p":0.69,"quantitative":true,"quantitative_p":0.75,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.07,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.93}},{"i":7,"p":0.61,"id":"s7","own":true,"role":"interpretation","text":"While TYC 3858-1215-1 will run into dynamically unstable mass transfer that will cause the two stars to merge and evolve into a single white dwarf, TYC 110-755-1 is a progenitor of a cataclysmic variable system with an evolved donor star.","hedge":{"p":0.99,"label":"asserted"},"own_p":0.9,"main_claim_p":0.25,"quantitative":false,"quantitative_p":0.11,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.39,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.61}}]},"compiled":{"main_claim":{"p":0.99,"text":"Finally, studying the past and future evolution of both systems, we conclude that the common envelope efficiency is likely similar in close white dwarf plus AFGK binaries and PCEBs with M-dwarf companions and find a wide range of possible evolutionary histories for both systems.","location":"abstract s6","hedge_strength":{"p":0.97,"label":"hedged possibility"}},"provenance":{"route":{"via":"TypeSafe 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