Speaker1 : Miho Tan
Affiliation: SOKENDAI 1st year (M1)
(Supervisor: Mami Machida, Tomoya Takiwaki, Kazunari Iwasaki)
Title: The history of mass ratio determination of X-Ray Binary SS433

Speaker2 : Kousuke Ishihara
Affiliation: SOKENDAI 4th year (D2)
(Supervisor: Masao Saito, Fumitaka Nakamura, Patricio Sanhueza)
Title: Observational study of the fragmentation process in nearby star-forming regions