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Astronomers capture a pulsar 'powering up' 5nvklj





Astronomers capture a pulsar 'powering up' 9tpt39

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Astronomers capture a pulsar 'powering up'

Dragon
Dragon
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Astronomers capture a pulsar 'powering up' Empty Astronomers capture a pulsar 'powering up'

Post by Dragon Thu Jun 04, 2020 5:21 pm

A Monash-University-led collaboration has, for the first time, observed the full, 12-day process of material spiraling into a distant neutron star, triggering an X-ray outburst thousands of times brighter than our Sun.

The scientists observed an 'accreting' neutron star as it entered an outburst phase in an international collaborative effort involving five groups of researchers, seven telescopes (five on the ground, two in space), and 15 collaborators.

It is the first time such an event has been observed in this detail—in multiple frequencies, including high-sensitivity measurements in both optical and X-ray.

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Astronomers capture a pulsar 'powering up' 334pu7m
Dragon
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Astronomers capture a pulsar 'powering up' Empty Re: Astronomers capture a pulsar 'powering up'

Post by Dragon Thu Jun 04, 2020 5:23 pm

Astronomers capture a pulsar 'powering up' 7-astronomersc
Credit: NASA/JPL-Caltech

An accreting pulsar.

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Astronomers capture a pulsar 'powering up' 334pu7m
Dragon
Dragon
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Astronomers capture a pulsar 'powering up' Empty Re: Astronomers capture a pulsar 'powering up'

Post by Dragon Thu Jun 04, 2020 5:24 pm



This animation illustrates how an old pulsar in a binary system can be reactivated -- and sped up to a millisecond spin -- by accreting gas from its companion star.


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Astronomers capture a pulsar 'powering up' 334pu7m

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