Mapping dynamical ejecta and disk masses from numerical relativity simulations of neutron star mergers
Creators
- 1. Jena
- 2. The Pennsylvania State University
- 3. INFN-TIFPA
Description
We release compiled numerical relativity data of neutron star mergers taken from
several previous studies done by different groups with
different physics setups (see [1] for details).
The data file, 'summary_table.csv' contains the following columns:
- `model`: name or a number of the model as referred to in the source,
- `bibkey`: citation reference, according to inspirehep convention,
- `dataset`: name of the dataset, as used in [1] study,
- `EOS`: equation of state,
- `nus`: short abbreviation of neutrino transport scheme, 'M1' stands for the M1 scheme, 'leak' stands for leakage scheme only, 'leakM0' stands for the leakage plus M0 scheme, 'leakM1' stands for leakage and M1 scheme and 'none' stands for no neutrinos in simulations,
- `arxiv`: link to the source paper on arXiv arXiv ;
on the binary parameters:
- `q`: model mass ratio defined as M1/M2, where M1 is the more massive star, so q is always larger than 1,
- `M1`, `M2`: gravitational masses of stars [Msum],
- `Mb1`, `Mb2`: baryonic masses of the stars [Msun],
- `C1`, `C2`: stars' compactness,
- `Lambda`: reduced tidal parameter;
on the properties of the dynamical ejecta and disk:
- `Mej`: total mass [Msun],
- `vej`: velocity [c],
- `Yeej`: electron fraction,
- `theta_rms`: root mean square of the half opening angle around the binary plane [deg],
- `Mdisk`: disk mass [Msun].
For more information on the data compilation and statistical analysis see [1].
The properties of the dynamical ejecta of the models of `M0RefSet` are discussed in [2,3] that
was publicly released on Zenodo .
[1] V. Nedora, F. Schianchi, S. Bernuzzi, D. Radice, B. Daszuta, A. Endrizzi, A. Perego, A. Prakash, F. Zappa, Mapping dynamical ejecta and disk masses from numerical relativity simulations of neutron star mergers, arXiv:2008.xxxxx
[2] V. Nedora, S. Bernuzzi, D. Radice, B. Daszuta, A. Endrizzi, A. Perego, A. Prakash, M. Safarzadeh, F. Schianchi, D. Logoteta, Numerical Relativity Simulations of the Neutron Star Merger GW170817: Long-Term Remnant Evolutions, Winds, Remnant Disks, and Nucleosynthesis, arXiv:2008.04333
[3] S. Bernuzzi, M. Breschi, B. Daszuta, A. Endrizzi, D. Logoteta, V. Nedora, A. Perego, F. Schianchi, D. Radice, F. Zappa, I. Bombaci, N. Ortiz, Accretion-induced prompt black hole formation in asymmetric neutron star mergers, dynamical ejecta and kilonova signals, Mon.Not.Roy.Astron.Soc. 497 (2020), arXiv:2003.06015
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