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The Rise of the s-Process in the Galaxy
J. Simmerer, C. Sneden, J. J. Cowan +3
From newly-obtained high-resolution, high signal-to-noise ratio spectra the abundances of the elements La and Eu have been determined over the stellar metallicity range -3<[Fe/H]<+…
Neutron-Capture Element Abundances in Halo Stars
John J. Cowan, Christopher Sneden
We present new abundance observations of neutron-capture elements in Galactic stars. These include new Hubble Space Telescope (HST) detections of the elements Ge, Zr and Pt in a gr…
Halo Star Abundances and Heavy Element Nucleosynthesis
John J. Cowan, Christopher Sneden
We present new Hubble Space Telescope (HST) abundance observations of the neutron-capture elements Ge, Zr, Os and Pt in a group of 11 Galactic halo stars, including the well studie…
The Nature of SN 1961V
You-Hua Chu, Robert A. Gruendl, Christopher J. Stockdale +3
The nature of SN 1961V has been uncertain. Its peculiar optical light curve and slow expansion velocity are similar to those of super-outbursts of luminous blue variables (LBVs), b…