566 citations · 3.5k across the 24 of their papers we have counts for
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astro-ph2007★ 1 cited
High-Resolution Spectra Observed for SPY. II. DB and DBA Stars
B. Voss, D. Koester, R. Napiwotzki +2
We present a detailed spectroscopic analysis of the stars with helium-dominated spectra in the ESO Supernova Ia Progenitor Survey (SPY). Atmospheric parameters, masses, and abundan…
astro-ph2007★ 248 cited
Discovery of HE 1523-0901, a Strongly r-Process Enhanced Metal-Poor Star with Detected Uranium
Anna Frebel, Norbert Christlieb, John E. Norris +3
We present age estimates for the newly discovered very r-process enhanced metal-poor star HE 1523-0901 ([Fe/H]=-2.95) based on the radioactive decay of Th and U. The bright (V=11.1…