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astro-ph.GA2009★ 61 cited
A Two Micron All-Sky Survey View of the Sagittarius Dwarf Galaxy: VI. s-Process and Titanium Abundance Variations Along the Sagittarius Stream
Mei-Yin Chou, Katia Cunha, Steven R. Majewski +4
We present high-resolution spectroscopic measurements of the abundances of titanium (Ti), yttrium (Y) and lanthanum (La) for M giant candidates of the Sagittarius (Sgr) dwarf spher…
astro-ph.SR2009★ 57 cited
Measurements of the Isotopic Ratio 6Li/7Li in Stars with Planets
L. Ghezzi, K. Cunha, V. V. Smith +4
High-resolution (R = 143,000), high signal-to-noise (S/N = 700-1100) Gemini-S bHROS spectra have been analyzed in a search for 6Li in 5 stars which host extrasolar planets. The pre…