Investigating the Lower Mass Gap with Low Mass X-ray Binary Population Synthesis
DOI10.5281/zenodo.8155601Zenodo8155601MaRDI QIDQ6711257
Dataset published at Zenodo repository.
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Publication date: 17 July 2023
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Title: Investigating the Lower Mass Gap with Low Mass X-ray Binary Population Synthesis Authors: Jared C. Siegel, Ilia Kiato, Vicky Kalogera, Christopher P. L. Berry, Thomas J. Maccarone, Katelyn Breivik, Jeff J. Andrews, Simone S. Bavera, Aaron Dotter, Tassos Fragos, Konstantinos Kovlakas, Devina Misra, Kyle A. Rocha, Philipp M. Srivastava, Meng Sun, Zepei Xing, and Emmanouil Zapartas Table: Summary of Population Synthesis Models Columns: Population parameters: CE: efficiency of common envelope unbinding, either: * 1 or 5 CE merge: stars without a distinct core-envelope boundary that instigate a CE event are either assumed to survive the CE (Optimistic) or are assumed to merge (Pessimistic). QMIN: minimum ZAMS ratio, either: * 0.01 * Lifetime limited (pre-main-sequence lifetime of the secondary is shorter than the main-sequence lifetime of the primary) BRK: prescription for magnetic braking of a tidally coupled magnetic wind, either: * H02: Hurley et al. 2002 * IT03: Ivanova Taam 2003 ACC: amount of mass accreted during Roche-lobe overflow, either: * 50% efficiency * State dependent: (i) limited to ten-times the thermal rate if the accretor is a main-sequence, Hertzsprung gap or core helium burning star, or (ii) unlimited if the accretor is a giant branch, early asymptotic giant branch or asymptotic giant branch star. Compact objects also experience conservative mass transfer, provided the mass-transfer rate is sub-Eddington. Selection effect parameters: weighting: logs what selection effects were considered for the detection weighted results, either: *prob_occ: the probability that an outburst occurs and turns off during the survey *prob_see: the probability that the outburst is bright enough to be detected *prob: the product of prob_occ and prob_see RIA_nu: determines when the transition to radiatively inefficient accretion occurs, either: *0 (no transition) or 0.05 Results: f_gap_N: fraction of LMXB systems with a mass gap BH (M4.5Msol) f_AIC_N: fraction of LMXB systems where the BH formed through accretion induced collapse of a NS f_AIC_gap_N: fraction of LMXB systems where the BH formed through accretion induced collapse of a NS and the BH is in the mass gap fw_X_N: detection weighted fraction of X (e.g., gap, AIC, AIC_gap) Notes: Each quantity is calculated for 5000 snapshots of the evolution tracks. Here we report the Nth percentiles (e.g., 16, 50, 84) of each quantity.
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