'Our data showed that this event happened in a massive, red galaxy two billion light years away'
A rare and dazzling cosmic explosion, which outshines most supernovae in the universe, has been spotted by researchers at Queen’s University, Belfast.
Within days of detecting the explosion – named AT2022aedm – the researchers obtained more data with the New Technology Telescope in Chile and found that it looked unlike any known supernova. “Usually, with a very luminous supernova, it will have faded to maybe half of its peak brightness within a month. In the same amount of time, AT2022aedm faded to less than one per cent of its peak – it basically disappeared,” he said.Dr Shubham Srivastav, also from Queen’s, added “Our data showed that this event happened in a massive, red galaxy two billion light years away.
Dr Nicholl added: “We have named this new class of sources ‘Luminous Fast Coolers’, or LFCs. This is partly to do with how bright they are and how fast they fade and cool.
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