First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole

© 2019. The American Astronomical Society.. We present the first Event Horizon Telescope (EHT) images of M87, using observations from April 2017 at 1.3 mm wavelength. These images show a prominent ring with a diameter of ∼40 μas, consistent with the size and shape of the lensed photon orbit encircli...

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Bibliographic Details
Main Author: The Event Horizon Telescope Collaboration
Other Authors: Haystack Observatory
Format: Article
Language:English
Published: American Astronomical Society 2021
Online Access:https://hdl.handle.net/1721.1/134644