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Benny Trakhtenbrot

2 articles · 30 co-authors · latest: 2026-06-04

Black Hole with Double Flashes

Five years after ripping a star apart, a black hole in a distant galaxy is emitting regular X-ray emissions: every 12 hours, a powerful flare, and on its crest, micro-bursts. Astronomers explain this by oscillations in the gas disk, churned up by an unseen companion, and in the future, such systems
arXiv:2602.03932 · 2026-02-03

Quiet Quasar: Ultraviolet Storm at a Third of Light Speed

The quasar SDSS J2318, pretending to be a quiet one with weak emission lines, concealed inside a furious wind accelerated to 0.3 the speed of light. This outflow is capable of sweeping the interstellar medium out of its host galaxy, forever halting star birth. The discovery, made through spectroscop
arXiv:2606.06226v1 · 2026-06-04