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astro-ph2006★ 46 cited
A High-Resolution Spectrum of the Extremely Metal-Rich Bulge G-Dwarf OGLE-2006-BLG-265
Jennifer A. Johnson, Avishay Gal-Yam, Douglas C. Leonard +3
We present an R=45,000 Keck spectrum of the microlensed Galactic bulge G-dwarf OGLE-2006-BLG-265, which has a high (~60) signal-to-noise ratio despite its short (15 min) exposure t…
astro-ph2006★ 95 cited
A Search for Nitrogen-Enhanced Metal-Poor Stars
Jennifer A. Johnson, Falk Herwig, Timothy C. Beers +1
Theoretical models of very metal-poor intermediate-mass Asymptotic Giant Branch (AGB) stars predict a large overabundance of primary nitrogen. The very metal-poor, carbon-enhanced,…