The LIGO observatory in collaboration with the Virgo observatory has captured the gravitational waves of another collision event that most likely is the fusion clash between two neutron stars.
The first data was collected on April 25, 2019 and the related study was then published in Astrophysical Journal Letters.
This is a “very interesting” binary system, as reported by Alberto Vecchio, director of the Institute of Gravitational Wave Astronomy at the University of Birmingham, because the sum of the masses of the two neutron stars is the highest ever observed in a binary system. So high that perhaps we could talk about a new class of binary systems of neutron stars, a class that is substantially different from the similar binary systems we have identified so far.
At the moment, however, it cannot yet be ruled out that one of the members of the system is in fact a black hole. This is the second time that two neutron stars orbiting each other during fusion are detected through the reception of gravitational waves. The first such detection took place in August 2017.
Unlike the first time, this time no light was detected but only the gravitational wave data that suggested that fusion led to the creation of a new object with “an unusually high mass,” as reported in the press release that appeared on the website of the English University.
The study was carried out in collaboration with researchers from the Virgo Observatory in Italy and the results were presented during the meeting of the American Astronomical Society in Honolulu.
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