Gravitational Microlensing

Details Gravitational Microlensing Gravitational Microlensing

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001jkas...34...81p&link_type=abstract

Journal of the Korean Astronomical Society, vol. 34, no. 2, pp. 81-97

Astronomy and Astrophysics

Astronomy

1

Gravitational Lensing, Stars: Brown Dwarfs, Astrometry

Scientific paper

Since the first proposal by Paczynski, great efforts to detect Galactic dark matter by detecting light variations of stars located in the Magellanic Clouds and Galactic bulge caused by gravitational microlensing have been and are being carried out and more than 1,000 events have been successfully detected. In this paper, we review the progress in the theoretical and experimental progresses in microlensing. We begin with basics of microlensing and summarize the results obtained from the last 8 year observations along with the implications of the results. We also discuss the usefulness of microlensing in other fields of astronomy such as the stellar atmosphere, Galactic binary systems, and extra-solar planets. We finally discuss the problems of the current experiments and the new types of observations that can overcome these problems.

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