200 citations · 975 across the 39 of their papers we have counts for
Showing 2020Show all
2 papers · 1 filter
astro-ph.HE2020★ 28 cited
Time Variations in the Flux Density of Sgr A* at 230 GHz Detected with ALMA
Yuhei Iwata, Tomoharu Oka, Masato Tsuboi +2
A radio source at the Galactic center Sgr A* is a prime supermassive black hole candidate and therefore key to developing our understanding of them. Time variations in the 230 GHz…
astro-ph.GA2020★ 30 cited
The Fifth Candidate for an Intermediate-mass Black Hole in the Galactic Center
Shunya Takekawa, Tomoharu Oka, Yuhei Iwata +2
We report the results of high-resolution molecular line observations of the high-velocity compact cloud HCN-0.085-0.094 with the Atacama Large Millimeter/submillimeter Array. The H…