InicionewsA space telescope caught the hidden X-ray phase after two neutron stars...

A space telescope caught the hidden X-ray phase after two neutron stars collided

A half-second gamma-ray burst from a likely neutron-star merger was followed by ten minutes of soft X-rays, a phase conventional instruments always arrive too late to see. The Einstein Probe's wide-field monitoring caught it, and the team argues we have been missing it all along.

Astronomers thought a neutron-star collision went straight from a split-second gamma-ray flash to a slow afterglow. The Einstein Probe just caught the chapter in between: a ten-minute burst of soft X-rays that conventional telescopes always arrived too late to see. The team behind the event EP250704a argues this hidden phase isn't rare, we've simply been missing it.

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