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The MACHO Project: 45 Candidate Microlensing Events from the First Year Galactic Bulge Data
C. Alcock, R. A. Allsman, T. S. Axelrod +15
We report the detection of 45 candidate microlensing events in fields toward the Galactic bulge. These come from the analysis of 24 fields containing 12.6 million stars observed fo…
The MACHO Project Dark Matter Search
D. P. Bennett, C. Alcock, R. A. Allsman +11
We provide a status report on our search for dark matter in our Galaxy in the form of massive compact halo objects (or Machos), using gravitational microlensing of background stars…
The MACHO Data Pipeline
T. S. Axelrod, R. A. Allsman, P. J. Quinn +11
The MACHO experiment is searching for dark matter in the halo of the Galaxy by monitoring more than 20 million stars in the LMC and Galactic bulge for gravitational microlensing ev…
First Observation of Parallax in a Gravitational Microlensing Event
C. Alcock, R. A. Allsman, D. Alves +14
We present the first detection of parallax effects in a gravitational microlensing event. Parallax in a gravitational microlensing event observed only from the Earth appears as a d…
MACHO COLLABORATION SEARCH FOR BARYONIC DARK MATTER VIA GRAVITATIONAL MICROLENSING
K. Griest, C. Alcock, R. A. Allsman +15
Results are presented from the MACHO collaboration gravitational microlensing search. The experiment and the nearly 50 microlensing events that have been detected are described. Li…
Cepheids in the Magellanic Clouds
D. L. Welch, C. Alcock, D. P. Bennett +12
In the past few years, the Magellanic Clouds have been the targets for several major variable star surveys. The results of these surveys are now becoming available and it is clear…