Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995mnras.276l..79h&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 276, Issue 4, pp. L79-L82.
Astronomy and Astrophysics
Astronomy
27
Binaries: General, Dark Matter, Gravitational Lensing
Scientific paper
We demonstrate that photometric data from 1-m-class ground-based telescopes can be sufficient to observe parallax effects in Galactic microlensing events where the lens is a binary. This is a consequence of the very steep light curve which is produced when a source crosses a simple `fold' caustic. Such parallax measurements can distinguish between binary lenses located in the Galactic bulge and those in the disc.
Hardy Stephen J.
Walker Marilyn A.
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