37 citations
- Japan Space ForumJP14 papers
- Institute of Space and Astronautical ScienceJP13 papers
- National Astronomical Observatory of JapanJP13 papers
- Japan Aerospace Exploration AgencyJP12 papers
- The University of TokyoJP12 papers
- National Radio Astronomy ObservatoryUS10 papers
- University of BonnDE2 papers
- Chung Yuan Christian UniversityTW1 paper
- Fukuoka UniversityJP1 paper
- Japan Society for the Promotion of ScienceJP1 paper
- Keio UniversityJP1 paper
- National Dong Hwa UniversityTW1 paper
Showing 2017Show all
2 papers · 1 filter
astro-ph.GA2017★ 35 cited
The Second Galactic Center Black Hole?; A Possible Detection of Ionized Gas Orbiting around an IMBH embedded in the Galactic Center IRS13E complex
Masato Tsuboi, Yoshimi Kitamura, Takahiro Tsutsumi +4
The Galactic Center is the nuclear region of the nearest spiral galaxy, Milky Way, and contains the supermassive black hole with M~4x10^6 Msun, Sagittarius A* (Sgr A*). One of basi…
math.GR2017★ 2 cited
Valuative characterization of central extensions of algebraic tori on Krull domains
Haruhisa Nakajima
For an algebraic torus , the finite central extensions of are characterized in terms of ramification theory of regular actions of on Krull algebras over an algebraic…