Overview

• The peer-reviewed study in The Astrophysical Journal Letters reports AT 2024tvd as the first tidal disruption event with bright radio emission located away from a galaxy’s center.
• AT 2024tvd produced the fastest-evolving radio signal yet seen from a stellar disruption by a black hole, featuring two distinct radio flares.
• The black hole sits about 2,600 light-years from its host galaxy’s core, expanding evidence that supermassive black holes can reside far from galactic nuclei.
• Observations from VLA, ALMA, ATA, SMA, and the UK’s AMI-LA enabled the discovery, with AMI-LA data key to resolving the rapid radio evolution.
• Modeling indicates at least two separate outflow episodes occurred months apart, pointing to episodic black hole activity after the star’s destruction.