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The Photon Ring in M87*

By Avery Broderick and others
We report measurements of the gravitationally lensed secondary image -- the first in an infinite series of so-called "photon rings" -- around the supermassive black hole M87* via simultaneous modeling and imaging of the 2017 Event Horizon Telescope (EHT) observations. The inferred ring size remains constant across the seven days... Show more
August 18, 2022
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The Photon Ring in M87*
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