AI Insight
Astronomers have discovered strong evidence that certain minutes-long X-ray flashes result from neutron star collisions that create magnetars, which are neutron stars with extremely powerful magnetic fields. One exceptional event produced X-ray emissions for nearly 10 minutes, representing a record duration for this phenomenon. This discovery provides a new observational signature for detecting neutron star mergers in the universe.
Why it matters
This finding offers astronomers a new method to detect and study neutron star mergers, which are among the most energetic events in the universe and sources of gravitational waves. The extended X-ray emission provides a longer observational window than other merger signatures, potentially allowing for more detailed study of these extreme cosmic events and the exotic objects they produce.
Understand the Science
Astronomers have found strong evidence that some mysterious, minutes-long X-ray flashes are produced when two neutron stars collide and create a magnetar. One record-setting event glowed in X-rays for nearly 10 minutes, potentially opening a new way to find these extreme cosmic mergers.
Source: A record-breaking X-ray flash may reveal the birth of a magnetar