First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center
Supermassive Black Hole - IOPscience Skip to content IOP Science home Accessibility Help …

Abstract We present Event Horizon Telescope (EHT) 1.3 mm measurements of the radio
source located at the position of the supermassive black hole Sagittarius A*(Sgr A*) …

We present Event Horizon Telescope (EHT) 1.3 mm measurements of the radio source
located at the position of the supermassive black hole Sagittarius A*(Sgr A*), collected …

First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring - IOPscience
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The East Asian VLBI Network (EAVN) is an international VLBI facility in East Asia and is
operated under mutual collaboration between East Asian countries, as well as part of …

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 …

Abstract We present Event Horizon Telescope (EHT) 1.3 mm measurements of the radio
source located at the position of the supermassive black hole Sagittarius A*(Sgr A*) …

We present a general relativistic radiative transfer code RAIKOU (来光) for multiwavlength
studies of spectra and images including the black hole shadows around Kerr black holes …

We report the first observation of the nearby giant radio galaxy NGC 315 using a global very
long baseline interferometry (VLBI) array consisting of 22 radio antennas located across five …

The source-frequency phase-referencing (SFPR) technique has been demonstrated to have
great advantages for mm-VLBI observations. By implementing simultaneous multi-frequency …