2019 - 2024 Measurements of relativistic effects from supermassive black hole using Subaru telescope and near-infrared wavefront sensor
2019 - 2024 Testing General Relativity in the Strong Gravity of a Massive Black Hole
2014 - 2018 Sスターの軌道解析によるいて座Aスターの自転運動の解明
Papers (17):
Hiromi Saida, Sena A. Matsui, Tsutomu T. Takeuchi, Shogo Nishiyama, Rio Saitou, Yohsuke Takamori, Masaaki Takahashi. Parametrized-Post-Newtonian Test of Black Hole Spacetime for Galactic Center Massive Black Hole Sgr A*: Formulation and $χ^2$ Fitting. arXiv:2408.11284, Accepted for Publication in Prog.Theor.Exp.Phys. 2024
Shogo NISHIYAMA, Tomohiro KARA, Brian THORSBRO, Hiromi SAIDA, Yohsuke TAKAMORI, Masaaki TAKAHASHI, Takayuki OHGAMI, Kohei ICHIKAWA, Rainer SCHÖDEL. Origin of an orbiting star around the galactic supermassive black hole. Proceedings of the Japan Academy, Series B. 2024
Takahisa Igata, Tomohiro Harada, Hiromi Saida, Yohsuke Takamori. Periapsis shifts in dark matter distribution around a black hole. International Journal of Modern Physics D. 2023
Tomohiro Harada, Takahisa Igata, Hiromi Saida, Yohsuke Takamori. General formulae for the periapsis shift of a quasi-circular orbit in static spherically symmetric spacetimes and the active gravitational mass density. International Journal of Modern Physics D. 2023
Yohsuke Takamori, Atsushi Naruko, Yusuke Sakurai, Keitaro Takahashi, Daisuke Yamauchi, Chul-Moon Yoo. Testing the Non-circularity of the Spacetime around Sagittarius A* with Orbiting Pulsars. Publications of the Astronomical Society of Japan. 2023. 75. Supplement_1. S217-S231
Yohsuke Takamori, Shogo Nishiyama, Takayuki Ohgami, Hiromi Saida, Rio Saitou, Masaaki Takahashi. Constraints on the dark mass distribution surrounding Sgr A*: simple $χ^2$ analysis for the redshift of photons from orbiting stars. arXiv:2006.06219. 2020