Close limit of grazing black hole collisions: non-spinning holes
Reinaldo Gleiser, Gaurav Khanna, Richard Price, Jorge Pullin
TL;DR
This paper uses approximate methods to analyze the final collision phase of two non-spinning black holes, estimating gravitational wave emissions relevant for current and future detectors.
Contribution
It introduces an approximation treating the system as a single distorted black hole to estimate gravitational wave signals from non-spinning black hole collisions.
Findings
Estimated radiated energy and angular momentum during collision
Predicted gravitational waveforms for detector analysis
Applicable to data from LIGO, GEO, LISA, VIRGO, TAMA
Abstract
Using approximate techniques we study the final moments of the collision of two (individually non-spinnning) black holes which inspiral into each other. The approximation is based on treating the whole space-time as a single distorted black hole. We obtain estimates for the radiated energy, angular momentum and waveforms for the gravitational waves produced in such a collision. The results can be of interest for analyzing the data that will be forthcoming from gravitational wave interferometric detectors, like the LIGO, GEO, LISA, VIRGO and TAMA projects.
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