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The MACHO Project Large Magellanic Cloud Variable Star Inventory. VIII. The Recent Star Formation History of the LMC from the Cepheid Period Distribution
C. Alcock, R. A. Allsman, D. R. Alves +20
We present an analysis of the period distribution of Cepheids in the Large Magellanic Cloud, based on data obtained by the MACHO microlensing experiment and on a previo…
The MACHO Project LMC Variable Star Inventory: Classical Cepheids, AGB Variables, and the 9 Million Star Color-Magnitude Diagram
D. R. Alves, A. Basu, K. H. Cook +18
This paper has been withdrawn
The MACHO Project LMC Variable Star Inventory. VI. The Second-overtone Mode of Cepheid Pulsation From First/Second Overtone (FO/SO) Beat Cepheids
The MACHO Collaboration, C. Alcock, R. A. Allsman +19
MACHO Project photometry of 45 LMC FO/SO beat Cepheids which pulsate in the first and second overtone (FO and SOo, respectively) has been analysed to determine the lightcurve chara…
The Age Dependent Luminosities of the Red Giant Branch Bump, Asymptotic Giant Branch Bump, and Horizontal Branch Red Clump
David R. Alves, Ata Sarajedini
Color-magnitude diagrams of globular clusters often exhibit a prominent horizontal branch (HB) and may also show features such as the red giant branch (RGB) bump and the asymptotic…
The Blazhko Effect in RR Lyrae stars: Strong observational support for the oblique pulsator model in three stars
The MACHO Collaboration, C. Alcock, D. R. Alves +17
Using the novel data set of the MACHO project, we show that three ``Blazhko Effect'' RR Lyrae stars show nearly-pure amplitude modulation of a single pulsation mode. This is strong…
Discovery and Characterization of a Caustic Crossing Microlensing Event in the SMC
C. Alcock, R. A. Allsman, D. Alves +21
We present photometric observations and analysis of the second microlensing event detected towards the Small Magellanic Cloud (SMC), MACHO Alert 98-SMC-1. This event was detected e…
The MACHO Project LMC Variable Star Inventory: Classical Cepheids and AGB Variables
D. Alves, C. Alcock, K. Cook +18
This paper has been withdrawn by the author.
IRAS 06562-0337, The Iron Clad Nebula: A New Young Star Cluster
D. Alves, D. W. Hoard, B. Rodgers
IRAS 06562-0337 has been the recent subject of a classic debate: proto-planetary nebula or young stellar object? We present the first 2 micron image of IRAS 06562-0337, which revea…
EROS and MACHO Combined Limits on Planetary Mass Dark Matter in the Galactic Halo
EROS Collaboration, MACHO Collaboration
The EROS and MACHO collaborations have each published upper limits on the amount of planetary mass dark matter in the Galactic Halo obtained from gravitational microlensing searche…