Paper:	The Galactic Center Diffuse X-rays and Isolated Black Holes With FORCE
Volume:	528, New Horizons in Galactic Center Astronomy and Beyond
Page:	401
Authors:	Nobukawa, M.; Ueda, Y.; Tsuru, T. G.; Mori, K.; the FORCE team
Abstract:	There is unresolved X-ray emission in the Galactic center region (GDXE). Isolated black holes (iBHs) may contribute to the GDXE. IBHs could emit X-rays by the Bondi-Hoyle accretion of interstellar medium. The Galactic center has high number densities of stars and interstellar medium, in particular molecular clouds. Hardness ratio in the hard X-ray band (>10 keV) is a key to discovering iBHs. We have planed an X-ray observatory “Focusing On Relativistic universe and Cosmic Evolution (FORCE)”. FORCE has ∼15” spacial resolution and thus higher sensitivity ∼1032 ergs s-1. We expect that FORCE will detect such iBHs in the Galactic center region.

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