Astronomers Discover Record-Breaking Tidal Disruption Event 9 Billion Light-Years Away

August 12, 2024
Astronomers Discover Record-Breaking Tidal Disruption Event 9 Billion Light-Years Away
  • Astronomers have made a groundbreaking discovery of a supermassive black hole approximately 9 billion light-years away, consuming a star that is nine times the mass of the sun.

  • This event, designated AT2023vto, represents the largest star ever observed being destroyed in a tidal disruption event (TDE).

  • AT2023vto is five times more massive than the next largest star previously seen in a TDE, making it the biggest and brightest TDE detected to date.

  • Tidal disruption events occur when a star's trajectory brings it too close to a supermassive black hole, leading to the star's 'spaghettification' due to intense tidal forces.

  • During a TDE, only a small fraction of the star's mass is consumed by the black hole, while the rest is expelled or forms an accretion disk.

  • The black hole involved in AT2023vto belongs to a category of TDEs that do not produce relativistic jets, which typically make such events easier to detect.

  • The event was first detected on September 9 by the Zwicky Transient Facility (ZTF) and was initially misidentified as a Type II supernova.

  • The true nature of AT2023vto was determined through analysis by team leader Harsh Kumar, who modeled the light curve and identified the involved masses and distance.

  • Team member Yvette Cendes noted that despite being so far away, AT2023vto's brightness allows it to be visible from Earth.

  • This phenomenon could provide insights into understanding unusually bright cosmic objects found in the centers of certain active galaxies.

  • Cendes expressed interest in the possibility that the black hole could emit a relativistic jet in the future, continuing to study the event for more insights.

  • Tidal disruption events are recognized as some of the brightest occurrences in the universe.

Summary based on 2 sources


Get a daily email with more Science stories

More Stories