First Gravitational-Wave Mass Ceiling on Early Black Hole Pairs: Pulsars End 18-Year Blind Spot
· techtimes.com · popularity 17/100 · 0 similar stories today · Space & Astronomy (Space & Astronomy)
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Summary
Pulsar timing array gravitational-wave searches have set the first mass limits on supermassive black hole pairs at cosmic dawn, capping them below roughly 10 billion solar masses. A Beijing Normal University-led team corrected an 18-year blind spot in prior pulsar timing searches by accounting for cosmological redshift, applying the fix to 18 years of Parkes telescope data targeting quasar J0100+2802 and earliest-known galaxy JADES-GS-z14-0.
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