"From supermassive black holes to vast stellar nurseries, the distant reaches of space are full of many baffling wonders. Now, scientists have uncovered one of the most perplexing mysteries yet. Astronomers have spotted a runaway pulsar, known as Calvera, fleeing the aftermath of a massive stellar supernova explosion. What makes this truly extraordinary is that this system should be 'forbidden' in this empty region of the galaxy, 6,500 light-years above the plane of the Milky Way."
"However, the massive stars that birth pulsars shouldn't be able to form so far from dense regions of gas and dust near the galactic plane. Lead researcher Dr Emanuele Greco, of Italy's National Institute for Astrophysics, told Daily Mail: 'Since a pulsar is the compact leftover of the explosion of a massive star, it is surprising to see it very far away from the galactic disk. 'It means that during its normal life as a star, it ran away from the disk and then exploded.'"
Calvera is a pulsar observed fleeing the remnant of a massive stellar supernova located about 6,500 light-years above the Milky Way's plane. The location is unexpected because massive stars that produce pulsars normally form near dense gas and dust in the galactic disk. The discovery implies the progenitor star migrated far from the disk before exploding, producing a runaway system. The Low Frequency Array detected a near-perfect circular supernova remnant in a region where interstellar material is sparse. The remnant's characteristics and Calvera's position challenge conventional models of massive-star formation and supernova locations.
Read at Mail Online
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