Follow-up observations of black hole that destroyed star show variability in its X-ray spectrum

23. 08. 2021

Tidal disruption event known as Swift J1644+57 is a peculiar one - it is unussualy bright and variable in X-rays. New obesrvations with XMM-Newton and Swift telescopes now detail its behavior. Also Scientists were able to put limits in mass of the black hole to 0.6-7.9 millions of solar masses.

Mission	Timing	Status
XMM-Newton	10. 12. 1999	Ongoing
Swift	20. 11. 2004	Ongoing

Black hole, stellar destruction

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13. 08 2021

Black holes

Space telescope eRosita observes its first stellar destructions by black holes

German telescope eRosita on board german-russian observatory Spektr-RG detected its first tidal disruption events (TDEs). They occur when star gets too close to a black hole, and gets destroyed by its intense gravity. The material from the star then goes to an accretion disc which generates intense radiation, that was detected by eRosite telescope.

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Black holes

21. 09 2023

Black holes

Follow-up observations of black hole that destroyed star show variability in its X-ray spectrum

Space telescope eRosita observes its first stellar destructions by black holes

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Black hole, stellar destruction

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