Additionally, Japan’s new Kamioka Gravitational-Wave Detector (KAGRA) is far from its intended sensitivity and will observe for just one month before shutting down for troubleshooting, with an eye toward restarting in late 2024.
Italy’s Virgo detector is not reopening immediately instead it will undergo repairs to fix damage caused by a broken glass fiber. Expectations for the 20-month campaign, known as Observing Run 4 (O4), are now tempered.
After three years of downtime for crucial upgrades, the world’s gravitational-wave observatories were supposed to restart, more sensitive than ever to the tiniest deformations in spacetime.īut technical problems scuttled that optimistic scenario and assured a tepid start on May 24.
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