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Northwestern: First Gravitational-Wave Detection of a Mass-Gap Object Merging With a Neutron Star
April 06, 2024
EVANSTON, Illinois, April 6 -- Northwestern University issued the following news release:

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* LIGO-Virgo-KAGRA Collaboration detected an unexpected signal at start of fourth observing run

* Merger includes a mystery object that is heavier than a neutron star but lighter than black holes observed in the Milky Way

* Scientists infer that the mystery object is most likely a low-mass black hole

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An international r . . .

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