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EHT Memo Series
EHT Memo Code Title Author(s) Last Updated 2023-L1-02 Absolute Flux Density Calibration of the Greenland TelescopeData for Event Horizon Telescope Observations Koay et al. 17 Jan 2024 2023-L1-01 Metadata for the Flux Density Calibration of the April 2018...
Infographics
How does interferometry work? Black holes are so so tiny on the sky that any effort to image a black hole requires a team of telescopes, all working together, using a technique called interferometry. This graphic from the National Radio Astronomy...
Einstein's Theory Can Explain the Black Hole M87*
Event Horizon Telescope Collaboration scientists use data which produced the first image of a black hole to constrain its fundamental properties. In 2019, the EHT Collaboration published the first image of a black hole located at the centre of the galaxy...