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Cepheids in the LMC: Results from the MACHO Project
The MACHO Collaboration, D. L. Welch, C. Alcock +19
The approximately 1500 Cepheid variables in 22 LMC fields of the MACHO Project survey have been calibrated and analysed. In this paper, we report improved period ratios for a total…
RR Lyrae Stars in the MACHO Database
The MACHO Collaboration, D. Minniti, C. Alcock +18
The MACHO Project has catalogued RR Lyrae stars in the Large Magellanic Cloud, in the Galactic bulge, and 50 in the Sgr dwarf galaxy. These variables…
The MACHO Project LMC Microlensing Results from the First Two Years and the Nature of the Galactic Dark Halo
C. Alcock, R. A. Allsman, D. Alves +16
The MACHO Project is a search for dark matter in the form of massive compact halo objects (Machos). Photometric monitoring of millions of stars in the Large Magellanic Cloud (LMC),…
The MACHO Project 2nd Year LMC Microlensing Results and Dark Matter Implications
M. R. Pratt, C. Alcock, R. A. Allsman +16
The MACHO Project is searching for galactic dark matter in the form of massive compact halo objects (Machos). Millions of stars in the Large Magellanic Cloud (LMC), Small Magellani…
A Binary Lensing Event Toward the LMC: Observations and Dark Matter Implications
D. P. Bennett, C. Alcock, R. A. Allsman +18
The MACHO collaboration has recently analyzed 2.1 years of photometric data for about 8.5 million stars in the Large Magellanic Cloud (LMC). This analysis has revealed 8 candidate…
The MACHO Project LMC Variable Star Inventory: III. New R Coronae Borealis Stars
C. Alcock, R. A. Allsman, D. R. Alves +18
We report the discovery of two new R Coronae Borealis (RCB) stars in the Large Magellanic Cloud (LMC) using the MACHO project photometry database. The identification of both stars…