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Sputnik International
Binary Black Hole (Illustration)
A team of researchers from the Hebrew University of Jerusalem led by Dr. Assaf Horesh has discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole.
Published in the periodical Nature Astronomy (
Delayed radio flares from a tidal disruption event), the discovery relied upon ultra-powerful radio telescopes to study these catastrophic cosmic events in distant galaxies called Tidal Disruption Events (TDE). While researchers had known that these events cause the release of radio flares, this latest discovery saw those flares being emitted months or even years after the stellar disruption.
Credit: Hebrew University
A team of researchers from the Hebrew University of Jerusalem (HUJI) led by Dr. Assaf Horesh have discovered the first evidence of radio flares emitted only long after a star is destroyed by a black hole. Published in the periodical
Nature Astronomy, the discovery relied upon ultra-powerful radio telescopes to study these catastrophic cosmic events in distant galaxies called Tidal Disruption Events (TDE). While researchers had known that these events cause the release of radio flares, this latest discovery saw those flares being emitted months or even years after the stellar disruption. The team was led by Dr. Horesh from the Racah Institute of Physics at the Hebrew together with the NASA Swift space telescope director Professor Brad Cenko and Dr. Iair Arcavi from Tel-Aviv University.
Black holes can go months or years before gobbling up last of dead star’s remains, physicists say, after detecting pattern of radio emissions from aftermath of star’s destruction