The black hole is located in a dwarf galaxy a million light-years away and ripped apart an unlucky star in a brutal tidal disruption event.
— was first observed by astronomers using the Young Supernova Experiment , an astronomical survey that detects short-lived cosmic events like supernova explosions, as the black hole first began to devour the star.
The observation of this initial moment of destruction was vital in allowing an international team led by UCSC scientists and research first author and Niels Bohr Institute astronomer Charlotte Angus to measure the mass of the black hole finding it to be around between aroundTDEs have been successfully used to measure the mass of supermassive black holes in the past, but this is the first time they have been shown to work in documenting the masses of smaller midsized intermediate-mass black...
That means that the initial sighting of the incredibly fast AT 2020neh flare could provide a baseline for measuring midsized black hole masses in the future. "The fact that we were able to capture this midsize black hole whilst it devoured a star offered us a remarkable opportunity to detect what otherwise would have been hidden from us," Angus said."What is more, we can use the properties of the flare itself to better understand this elusive group of middle-weight black holes, which could account for the majority of black holes in the centers of galaxies.
Astronomers discovered a star being ripped apart by a black hole in the galaxy SDSS J152120.07+140410.5, 850 million light years away. Researchers pointed NASA's Hubble Space Telescope to examine the aftermath, called AT 2020neh, which is shown in the center of the image. Hubble's ultraviolet camera saw a ring of stars being formed around the nucleus of the galaxy where AT 2020neh is located.
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