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A Quadruple or Triple Origin For Tycho B and SN 1572
Todd A. Thompson, Andrew Gould
Kerzendorf et al. (2012) recently reported the startling discovery of a metal-poor ([Fe/H]=-1 +/- 0.4) A-type star near the center of the Tycho supernova remnant. We propose two po…
Clues to the Metallicity Distribution in the Galactic Bulge: Abundances in MOA-2008-BLG310 and MOA-2008-BLG311
Judith G. Cohen, Ian B. Thompson, Takahiro Sumi +5
We present abundance analyses based on high dispersion and high signal-to-noise ratio Magellan spectra of two highly microlensed Galactic bulge stars in the region of the main sequ…
The beat Cepheids in the Magellanic Clouds: an analysis from the EROS-2 database
J. B. Marquette, J. P. Beaulieu, J. R. Buchler +36
A number of microlensing dark-matter surveys have produced tens of millions of light curves of individual background stars. These data provide an unprecedented opportunity for syst…