Gravitational Microlensing Results from Macho

Details Gravitational Microlensing Results from Macho Gravitational Microlensing Results from Macho

1994-09-14

arxiv.org/abs/astro-ph/9409034v1

Nucl.Phys.Proc.Suppl. 38 (1995) 379-386

Astronomy and Astrophysics

Astrophysics

Talk given at Neutrino-94, to appear in Nucl. Phys. B Proceedings Supp. 8 pages, 4 figures, uuencoded compressed PostScript

Scientific paper

10.1016/0920-5632(94)00772-N

We provide a status report on our search for dark matter in our Galaxy in the form of massive compact halo objects (MACHOs), using gravitational microlensing of background stars. This search uses a very large CCD camera on the dedicated 1.27m telescope at Mt.~Stromlo, Australia, and has been taking data for 2 years. At present, we have analysed data for 8 million stars in the Large Magellanic Cloud over 1 year, resulting in one strong candidate event and two lower-amplitude candidates. We have also analysed 5 million stars in the Galactic Bulge for 0.5 years, yielding approximately 27 microlensing events.

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