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4mo ago

Space Telescopes Catch Black Hole Flare That Launches Ultra-Fast Winds in Hours

The peer-reviewed study points to a solar-style magnetic unwinding as the likely trigger.

Astrónomos encontraron algo nunca antes visto en un agujero negro supermasivo
Los telescopios XMM-Newton y XRISM detectaron una explosión inédita proveniente de un agujero negro en la galaxia NGC 3783.
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Overview

  • XMM-Newton and XRISM saw a sharp X-ray flare in the spiral galaxy NGC 3783 followed by winds that formed within about a day.
  • Material was expelled at roughly 60,000 km/s, close to one-fifth the speed of light.
  • XRISM’s Resolve instrument measured the flare and wind properties while XMM-Newton monitored the event’s evolution and strength.
  • The team reports the first confirmed near-instant onset of an AGN ultra-fast outflow linked to a flare, from a black hole of about 30 million solar masses.
  • The results were published in Astronomy & Astrophysics and the authors call for further observations and modeling to test the magnetic mechanism and gauge its impact on galaxy evolution.