The persistent shadow of the supermassive black hole of M 87-I. Observations, calibration, imaging, and analysis
In April 2019, the Event Horizon Telescope (EHT) Collaboration reported the first-ever event-
horizon-scale images of a black hole, resolving the central compact radio source in the giant
elliptical galaxy M 87. These images reveal a ring with a southerly brightness distribution
and a diameter of∼ 42 μas, consistent with the predicted size and shape of a shadow
produced by the gravitationally lensed emission around a supermassive black hole. These
results were obtained as part of the April 2017 EHT observation campaign, using a global …
horizon-scale images of a black hole, resolving the central compact radio source in the giant
elliptical galaxy M 87. These images reveal a ring with a southerly brightness distribution
and a diameter of∼ 42 μas, consistent with the predicted size and shape of a shadow
produced by the gravitationally lensed emission around a supermassive black hole. These
results were obtained as part of the April 2017 EHT observation campaign, using a global …
The persistent shadow of the supermassive black hole of M 87
N Null, K Akiyama, A Alberdi, W Alef… - ASTRONOMY & …, 2024 - iris.unica.it
Abstract In April 2019, the Event Horizon Telescope (EHT) Collaboration reported the first-
ever event-horizon-scale images of a black hole, resolving the central compact radio source
in the giant elliptical galaxy M 87. These images reveal a ring with a southerly brightness
distribution and a diameter of∼ 42 µas, consistent with the predicted size and shape of a
shadow produced by the gravitationally lensed emission around a supermassive black hole.
These results were obtained as part of the April 2017 EHT observation campaign, using a …
ever event-horizon-scale images of a black hole, resolving the central compact radio source
in the giant elliptical galaxy M 87. These images reveal a ring with a southerly brightness
distribution and a diameter of∼ 42 µas, consistent with the predicted size and shape of a
shadow produced by the gravitationally lensed emission around a supermassive black hole.
These results were obtained as part of the April 2017 EHT observation campaign, using a …
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