Cohen, Judith G; Gould, A; Thompson, Ian; Feltzing, Sofia; Bensby, T; Johnson, Jennifer A; Huang, Wenjin; Melendez, Jorge; Lucatello, Sara; Asplund, Martin
We study a sample of 16 microlensed Galactic bulge main-sequence turnoff region stars for which high-dispersion spectra have been obtained with detailed abundance analyses. We demonstrate that there is a very strong and highly statistically significant correlation between the maximum magnification of the microlensed bulge star and the value of the [Fe/H] deduced from the high resolution spectrum of each object. Physics demands that this correlation, assuming it to be real, be the result of some...[Show more]
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