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First ICCUB Numerical Relativity Waveform Catalog of Eccentric Black Hole Binaries

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arxiv 2509.05269 v1 pith:AI5NVS5H submitted 2025-09-05 gr-qc

J. Trenado , T. Andrade , A. Climent , M. A. Ferrer This is my paper
classification gr-qc
keywords binariesfirstmodesblackcatalogcodeeccentricequal
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We release the first Numerical Relativity catalog of Institut de Ciencies del Cosmos at University of Barcelona (ICCUB) consisting of 128 simulations for black hole binaries. All simulations in this first release correspond to highly eccentric binaries with eccentricity $e = (0.62,0.79)$ which develop zoom-whirls up to three close passages before merger. We consider aligned, equal spin configurations in the range $\chi = (-0.5, 0.5)$ and equal mass ratios. For each simulation, we provide the modes $(\ell, m)$ of Weyl scalar $\psi_4^{(\ell,m)}$ extrapolated to $r = \infty$, with $\ell \leq 4$. In addition, we provide the corresponding strain modes obtained by computing a double time integral of the Weyl scalar modes. Moreover, we provide metadata and the parameter files required to reproduce our results using the open-source code Einstein Toolkit. A Python code that facilitates the access to the data is available on Git-Hub.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Unified remnant models for aligned-spin, precessing, and eccentric binary black hole mergers

    gr-qc 2026-08 conditional novelty 6.0 of 10

    New analytic fits, gwModelRemS/P, predict remnant mass, spin, luminosity, and kick for black hole mergers from equal mass to q=1000, with a neural-flow model for precessing kicks.

  2. Spin-up and mass-gain in hyperbolic encounters of spinning black holes

    gr-qc 2025-10 unverdicted novelty 6.0 of 10

    Scattering black holes gain spin and mass by absorbing emitted gravitational radiation, with spin-up up to 0.3 and mass gain up to 15% in near-threshold encounters.

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