347 citations · 384 across the 3 of their papers we have counts for
4 papers
Gravitational Test Beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole
Dimitrios Psaltis, Lia Medeiros, Pierre Christian +185
The 2017 Event Horizon Telescope (EHT) observations of the central source in M87 have led to the first measurement of the size of a black-hole shadow. This observation offers a new…
Interstellar Scintillation Monitoring of the RadioAstron Blazars
Jun Liu, Thomas P. Krichbaum, Hayley Bignall +6
The RadioAstron space radio telescope provides a unique opportunity to study the extreme brightness temperatures () in AGNs with unprecedented long baselines of up t…
Ruling out GeV thermal relic annihilating dark matter by radio observation of the Andromeda galaxy
Man Ho Chan, Lang Cui, Jun Liu +1
In the past few years, some studies claimed that annihilating dark matter with mass GeV can explain the GeV gamma-ray excess in our Galaxy. However, recent analyses o…
Intra-day variability observations and the VLBI structure analysis of quasar S4 0917+624
X. Liu, L. -G. Mi, J. Liu +7
The IDV observations of S4 0917+624 were carried out monthly, from August 2005 to January 2010, with the Urumqi 25m radio telescope at 4.8 GHz. The quasar S4 0917+624 exhibits only…