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Published April 10, 2020 | Version v1

Pushing it over the edge: polluting the pair-instability mass gap for binary black holes through super-Eddington accretion in isolated binaries

  • 1. Center for Astrophysics | Harvard \& Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA
  • 2. Center for Computational Astrophysics, Flatiron Institute, New York, NY 10010, USA
  • 3. School of Astronomy and Space Science, University of the Chinese Academy of Sciences, Beijing 100012, China
  • 4. Anton Pannekoek Institute for Astronomy and GRAPPA, University of Amsterdam, NL-1090 GE Amsterdam, The Netherlands
  • 5. Heidelberger Institut für Theoretische Studien, Schloss-Wolfsbrunnenweg 35, 69118 Heidelberg, Germany
  • 6. Department of Physics, University of Surrey, Guildford, GU2 7XH Surrey, UK

Description

These are the results for the following paper:

Pushing it over the edge: polluting the pair-instability mass gap for binary black holes through super-Eddington accretion in isolated binaries

This work uses COMPAS to compute binary population properties.
For each of our 4 model variations (Fiducial, Stable accretion, Common envelope accretion and Combined) we provide 2 files:

1.) pythonSubmit.py file describing the initial conditions that were used to run the simulations

2.) COMPASOutput.h5 file, which contains the following datasets resulting from our simulations :

[u'RLOF',
 u'XRayBinaries',
 u'commonEnvelopes',
 u'cppSource',
 u'doubleCompactObjects',
 u'formationChannels',
 u'pulsarEvolution',
 u'runtimes',
 u'supernovae',
 u'systems']

of which doubleCompactObjects, is most relevant for this work.
A detailed description of the COMPAS output can be found here: https://github.com/TeamCOMPAS/COMPAS/tree/master/docs

 

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README_COMPASdata_vanSonEtall2020.txt

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