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- W657474088 abstract "Magnetars are young neutron stars with extreme magnetic fields (B>10(exp 14)-10(exp 15) G). How these fields relate to the properties of their progenitor stars is not yet clearly established. However, from the few objects with initial mass estimates it has been suggested that a very massive progenitor star (M(sub prog) >40M ) is required to produce a magnetar. Here we report that the initial progenitor star mass of the magnetar SGR 1900+14 was a factor of two lower than this limit, M(sub prog)=17+/-1M . Our results strongly contradict the prevalent hypothesis that only very massive stars can produce magnetars. Instead, we favour the fossil-field model as a possible explanation of the origin of these extreme magnetic fields." @default.
- W657474088 created "2016-06-24" @default.
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- W657474088 date "2009-01-01" @default.
- W657474088 modified "2023-09-23" @default.
- W657474088 title "A Low Progenitor Mass for the Magnetar SGR1900+14" @default.
- W657474088 hasPublicationYear "2009" @default.
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