COMPAS: A rapid binary population synthesis suite

Compas, Team; Riley, Jeff; Agrawal, Poojan; Barrett, Jim W.; Boyett, Kristian; Broekgaarden, Floor S.; Chattopadhyay, Debatri; Gaebel, S. M.; Gittins, Fabian; Hirai, Ryosuke; Howitt, George; Justham, Stephen; Khandelwal, Lokesh; Kummer, Floris; Lau, Mike Y. M.; Mandel, Ilya; Mink, S. E. de; Neijssel, Coenraad J.; Riley, Tim; Son, L. A. C. van; Stevenson, S. P.; Vigna-Gómez, Alejandro; Vinciguerra, S.; Wagg, Tom; Willcox, Reinhold

doi:10.21105/joss.03838

Cited by 10 publications

(1 citation statement)

References 16 publications

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“…Each one usually has a slightly different focus, like gravitational waves or spectral synthesis. Recent ones are BPASS/HOKI (Stevance et al, 2020), COMPAS (Compas et al, 2022), COSMIC (Breivik et al, 2019), MOBSE (Giacobbo & Mapelli, 2019) and SeBa (Toonen & Nelemans, 2013). Most of these have Python interfaces, which further highlights the need to develop and release a modern Python interface to binary_c, i.e.…”

Section: Statement Of Needmentioning

confidence: 99%

binary_c-python: A Python-based stellar population synthesis tool and interface to binary_c

Hendriks¹,

Izzard²

2023

JOSS

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Section: Statement Of Needmentioning

confidence: 99%

binary_c-python: A Python-based stellar population synthesis tool and interface to binary_c

Hendriks¹,

Izzard²

2023

JOSS

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Rates of compact object coalescences

2022

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Gravitational-wave detections are enabling measurements of the rate of coalescences of binaries composed of two compact objects—neutron stars and/or black holes. The coalescence rate of binaries containing neutron stars is further constrained by electromagnetic observations, including Galactic radio binary pulsars and short gamma-ray bursts. Meanwhile, increasingly sophisticated models of compact objects merging through a variety of evolutionary channels produce a range of theoretically predicted rates. Rapid improvements in instrument sensitivity, along with plans for new and improved surveys, make this an opportune time to summarise the existing observational and theoretical knowledge of compact-binary coalescence rates.

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Calibration of neutron star natal kick velocities to isolated pulsar observations

Kapil

Mandel

Berti

et al. 2023

Monthly Notices of the Royal Astronomical Society

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Current prescriptions for supernova natal kicks in rapid binary population synthesis simulations are based on fits of simple functions to single pulsar velocity data. We explore a new parameterization of natal kicks received by neutron stars in isolated and binary systems developed by Mandel & Müller, which is based on 1D models and 3D supernova simulations, and accounts for the physical correlations between progenitor properties, remnant mass, and the kick velocity. We constrain two free parameters in this model using very long baseline interferometry velocity measurements of Galactic single pulsars. We find that the inferred values of natal kick parameters do not differ significantly between single and binary evolution scenarios. The best-fit values of these parameters are vns = 520 km s−1 for the scaling pre-factor for neutron star kicks, and σns = 0.3 for the fractional stochastic scatter in the kick velocities.

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COMPAS: A rapid binary population synthesis suite

Abstract: The public COMPAS code is a product of work by the entire COMPAS collaboration over many years; we therefore kindly request that, in recognition of this team effort, the paper is cited as Team COMPAS -J. Riley et al.

Cited by 10 publications

References 16 publications

binary_c-python: A Python-based stellar population synthesis tool and interface to binary_c

binary_c-python: A Python-based stellar population synthesis tool and interface to binary_c

Rates of compact object coalescences

Calibration of neutron star natal kick velocities to isolated pulsar observations

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