|Manu||Date: Saturday, 22-January-2022, 4:28 AM | Message # 1|
|Scientists confirm a highly eccentric black hole merger for the first time|
by Luke Auburn, Rochester Institute of Technology
This artist's concept illustrates a hierarchical scheme for the most massive binary black hole merger recorded to date. Scientists from RIT and University of Florida used advanced computer simulations to show the black holes had eccentric orbits before merging. Credit: LIGO/Caltech/MIT/R. Hurt (IPAC)
For the first time, scientists believe they have detected a merger of two black holes with eccentric orbits. According to a paper published in Nature Astronomy by researchers from Rochester Institute of Technology's Center for Computational Relativity and Gravitation and the University of Florida, this can help explain how some of the black hole mergers detected by LIGO Scientific Collaboration and the Virgo Collaboration are much heavier than previously thought possible.
Eccentric orbits are a sign that black holes could be repeatedly gobbling up others during chance encounters in areas densely populated with black holes such as galactic nuclei. The scientists studied the most massive gravitational wave binary observed to date, GW190521, to determine if the merger had eccentric orbits.
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