1 Graduate School of Integrated Arts and Sciences, Kochi University, Kochi, 780-8520, Japan
2 Science Department, Natural Sciences Cluster, Research and Education Faculty, Kochi University, Kochi 780-8520, Japan
3 Faculty of Science, Kochi University, Kochi 780-8520, Japan
4 Center for Computational Astrophysics, National Astronomical Observatory of Japan, Mitaka-shi 181-8588, Japan
5 Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan