v 1 1 3 N ov 1 99 7 Real-Time Spectroscopy of Gravitational Microlensing Events-Probing the Evolution of the Galactic Bulge


Gravitational microlensing refers to the apparent brightening of a background source by a lensing object located sufficiently close to the line of sight. This gravitational focusing effect does not require the intervening object to be luminous, and hence has been suggested as a way to detect astrophysical dark matter candidates in the Galactic halo [1]. The… (More)

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