Announcement
X-ray flashes from neutron star mergers may signal magnetar formation rather than black holes
Astronomers analyzing EP250704a/GRB 250704B identified a short gamma-ray burst followed by an unprecedented ~10-minute soft X-ray emission with no supernova signature, consistent with magnetar formation.
TLDR
This finding provides a new electromagnetic counterpart to neutron star mergers and offers insights into extreme physics and compact object formation. The discovery contributes to multi-messenger astronomy by explaining previously enigmatic long X-ray flashes.
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