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NASA-JAXA XRISM Mission Sees Pulsar Gathering Companion’s ‘Wind’ - ScienceX Innovations
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Astronomers using the XRISM X-ray observatory observed a giant star’s stellar wind being captured by its neutron-star companion (GX 301-2) in the BP Crucis system, powering strong X-ray flares. The redshifted iron absorption lines indicate gas moving toward the pulsar at about 335,000 mph, as the pulsar traverses the wind and forms a turbulent disk that ultimately feeds the neutron star before direct accretion resumes.
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