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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 5nvklj





Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 9tpt39

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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle

Dragon
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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle Empty Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle

Post by Dragon Wed May 09, 2018 10:38 pm

Researchers at the University of Southampton have discovered that the unique 'Bursting Pulsar' – a neutron star which steals matter from a low-mass stellar neighbour – may also be the slowest known 'transitional pulsar' in existence. Transitional pulsars are a rare class of neutron stars, which alternate between showing X-ray and radio pulsations over timescales of years.

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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 334pu7m
Dragon
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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle Empty Re: Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle

Post by Dragon Wed May 09, 2018 10:39 pm

Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 5af2d301dc010
Credit: University of Southampton

About 20 km around, the density of a neutron star attracts matter from a companion star.

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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 334pu7m
Dragon
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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle Empty Re: Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle

Post by Dragon Wed May 09, 2018 10:41 pm



Armed with state-of-the-art supercomputer models, scientists have shown that colliding neutron stars can produce the energetic jet required for a gamma-ray burst. Earlier simulations demonstrated that mergers could make black holes. Others had shown that the high-speed particle jets needed to make a gamma-ray burst would continue if placed in the swirling wreckage of a recent merger.

Now, the simulations reveal the middle step of the process--how the merging stars' magnetic field organizes itself into outwardly directed components capable of forming a jet.


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Bursting pulsar found to 'hiccup' during crucial stage of its lifecycle 334pu7m

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