{"paper":{"title":"Probing the Balance of AGN and Star-Forming Activity in the Local Universe with ChaMP","arxiv_id":"0909.4086","primary_cat":"astro-ph.CO","submitted_at":"2009-09-22T20:13:51+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-1.13-20260917 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":0.62,"id":"s0","own":false,"role":"background","text":"The combination of the SDSS and the Chandra Multiwavelength Project (ChaMP) currently offers the largest and most homogeneously selected sample of nearby galaxies for investigating the relation between X-ray nuclear emission, nebular line-emission, black hole masses, and properties of the associated stellar populations.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.13,"main_claim_p":0.03,"quantitative":true,"quantitative_p":0.51,"role_probabilities":{"gap":0.0,"method":0.31,"result":0.0,"background":0.62,"limitation":0.0,"future_work":0.0,"contribution":0.07,"interpretation":0.0}},{"i":1,"p":0.94,"id":"s1","own":true,"role":"contribution","text":"We present here novel constraints that both X-ray luminosity Lx and X-ray spectral energy distribution bring to the galaxy evolutionary sequence H II -> Seyfert/Transition Object -> LINER -> Passive suggested by optical data.","hedge":{"p":0.98,"label":"asserted"},"own_p":0.85,"main_claim_p":0.14,"quantitative":false,"quantitative_p":0.17,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.06,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.94,"interpretation":0.0}},{"i":2,"p":1.0,"id":"s2","own":true,"role":"result","text":"In particular, we show that both Lx and Gamma, the slope of the power-law that best fits the 0.5 - 8 keV spectra, are consistent with a clear decline in the accretion power along the sequence, corresponding to a softening of their spectra.","hedge":{"p":0.68,"label":"asserted"},"own_p":0.92,"main_claim_p":0.2,"quantitative":true,"quantitative_p":0.71,"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":0.76,"id":"s3","own":true,"role":"interpretation","text":"This implies that, at z ~ 0, or at low luminosity AGN levels, there is an anti-correlation between Gamma and L/Ledd, opposite to the trend exhibited by high z AGN (quasars).","hedge":{"p":0.92,"label":"asserted"},"own_p":0.78,"main_claim_p":0.3,"quantitative":true,"quantitative_p":0.86,"role_probabilities":{"gap":0.0,"method":0.0,"result":0.24,"background":0.0,"limitation":0.0,"future_work":0.0,"contribution":0.0,"interpretation":0.76}},{"i":4,"p":1.0,"id":"s4","own":true,"role":"result","text":"The turning point in the Gamma -L/Ledd LLAGN + quasars relation occurs near Gamma ~ 1.5 and L/Ledd ~ 0.01.","hedge":{"p":1.0,"label":"asserted"},"own_p":0.83,"main_claim_p":0.12,"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":5,"p":1.0,"id":"s5","own":true,"role":"interpretation","text":"Interestingly, this is identical to what stellar mass X-ray binaries exhibit, indicating that we have probably found the first empirical evidence for an intrinsic switch in the accretion mode, from advection-dominated flows to standard (disk/corona) accretion modes in supermassive black hole accretors, similar to what has been seen and proposed to happen in stellar mass black hole 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