Tag: #magnetar

Fermi Detects Delayed Gamma Rays from Superluminous Supernova SN 2017egm, Supporting Magnetar Power Source

Fermi's LAT saw months-delayed GeV gamma rays from SN 2017egm, offering rare evidence the explosion was powered by a newborn magnetar.

#astronomy, #supernova, #gammarays, #magnetar

A Superluminous Supernova Blinked Four Times—And May Reveal Einstein’s Frame-Dragging at Work

Astronomers report a rare “chirping” supernova whose four accelerating flares may trace frame-dragging around a newborn magnetar, testing relativity.

#astronomy, #supernova, #magnetar, #generalrelativity, #timedomain