Abstract
We investigate the possibility of detecting a massive black hole in the center of normal galaxies through gravitational lensing events. When a star in a galaxy passes just behind a massive black hole, the observed flux from the star is magnified. The event rate is estimated to be 140 event yr - 1 , number of detectable events depends on the black hole mass and the stellar distribution of the galaxy in the inner region. Therefore, we can probe both of these quantities from sparse monitoring of galaxies with fine spatial resolution.
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