activity
19982026
most citedCollapsars - Gamma-Ray Bursts and Explosions in "Failed Supernovae"

2.3k citations · 11.7k across the 108 of their papers we have counts for

collaborators

108 papers

astro-ph.HE2026

Electromagnetic Emission and Orbital Evolution of Eccentric Supermassive Black Hole Binaries in Retrograde Disks

David ONeill, Mark J. Avara, Christopher Tiede +3

Circumbinary disks around supermassive black hole binaries (SMBHBs) are expected to form across a broad range of inclinations, with retrograde configurations potentially a common o…

astro-ph.HE2026★ 1 cited

Eccentric Disks from Gaseous Rings around Equal-Mass, Circular Binaries

Leonardo Betancourt, Andrew MacFadyen, Jonathan Zrake

We perform high-resolution, grid-based hydrodynamics simulations of gaseous rings viscously spreading into disks around equal-mass, circular binaries. We find that all systems supp…

astro-ph.HE2025★ 2 cited

Thermal X-ray signatures in late-stage unequal-mass massive black hole binary mergers

Luke Major Krauth, Jordy Davelaar, Zoltán Haiman +3

The multi-messenger combination of gravitational waves (GWs) from merging massive black hole binaries (MBHBs) and the electromagnetic (EM) counterpart from the surrounding circumbi…

astro-ph.HE2025

Gravitational Wave Decoupling in Retrograde Circumbinary Disks

David O'Neill, Christopher Tiede, Daniel J. D'Orazio +2

We present a study of the late-time interaction between supermassive black hole binaries and retrograde circumbinary disks during the period of gravitational wave-driven inspiral.…

astro-ph.GA2024★ 15 cited

Suppressed accretion onto massive black hole binaries surrounded by thin disks

Christopher Tiede, Jonathan Zrake, Andrew MacFadyen +1

We demonstrate that gas disks around binary systems might deliver gas to the binary components only when the circumbinary disk is relatively warm. We present new grid-based hydrody…

astro-ph.HE2024

Relativistic Binary Precession: Impact on Eccentric Binary Accretion and Multi-Messenger Astronomy

Stanislav DeLaurentiis, Zoltan Haiman, John Ryan Westernacher-Schneider +4

Recent hydrodynamical simulations have shown that circumbinary gas disks drive the orbits of binary black holes to become eccentric, even when general relativistic corrections to t…