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Hubble Constant Measurement with GW190521 as an Eccentric Black Hole Merger
V. Gayathri, J. Healy, J. Lange +7
Gravitational wave observations can be used to accurately measure the Hubble constant and could help understand the present discrepancy between constraints from Type Ia super…
Eccentricity Estimate for Black Hole Mergers with Numerical Relativity Simulations
V. Gayathri, J. Healy, J. Lange +7
The origin of black hole mergers discovered by the LIGO and Virgo gravitational-wave observatories is currently unknown. GW190521 is the heaviest black hole merger detected so far.…
AstroDance: Engaging Deaf and Hard-of-Hearing Students in Astrophysics via Multimedia Performances
J. Nordhaus, M. Campanelli, J. Bochner +3
The dynamics of gravitating astrophysical systems such as black holes and neutron stars are fascinatingly complex, offer some of nature's most spectacular phenomena, and capture th…
Numerical relativity in spherical coordinates: A new dynamical spacetime and general relativistic MHD evolution framework for the Einstein Toolkit
Vassilios Mewes, Yosef Zlochower, Manuela Campanelli +4
We present SphericalNR, a new framework for the publicly available Einstein Toolkit that numerically solves the Einstein field equations coupled to the equations of general relativ…
PatchworkWave: A Multipatch Infrastructure for Multiphysics/Multiscale/Multiframe/Multimethod Simulations at Arbitrary Order
Dennis B. Bowen, Mark Avara, Vassilios Mewes +6
We present an extension of the PatchworkMHD code [1], itself an MHD-capable extension of the Patchwork code [2], for which several algorithms presented here were co-developed. Its…