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XRISM observatory astrophysical observations

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2026-09-19 20:21 UTC → 2026-09-21 08:06 UTC · added removed

The XRISM X-ray space observatory has provided new insights into high-energy astrophysical phenomena through distinct observations of black holes and pulsars. Initial findings regarding the quasar H1821+643 revealed that winds driven by supermassive black holes are approximately 100 times more powerful than previous models suggested. These outflows, which extend roughly 300,000 light-years into space, create intense turbulence in hot gas that spreads far beyond galactic boundaries. Subsequent observations of the high-mass X-ray binary system BP Crucis Crucis, located approximately 13,000 light-years away in the constellation Crux, have captured the first direct view observation of a pulsar consuming stellar wind from plasma falling onto a compact neutron star. The system involves the blue hypergiant star. Using star Wray 977—which is roughly 40 times the mass of the Sun—and the pulsar GX 301-2. As the pulsar orbits the hypergiant every 41.5 days, its gravity captures the continuous stream of ionized gas emitted by the star, triggering powerful X-ray spectroscopy, flares. Using XRISM’s spectroscopic capabilities, researchers identified iron-rich plasma moving toward the pulsar neutron star at speeds of approximately 540,000 kilometers per hour, noting the formation of transient structures around providing new data on the compact object during X-ray flares. accretion mechanics that drive high-energy outbursts in binary star systems.

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  1. 2026-09-21 08:06 UTC XRISM observatory astrophysical observations
  2. 2026-09-19 20:21 UTC XRISM observatory astrophysical observations

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