2 papers
astro-ph2002
The r-Process and Chronometers
John J. Cowan, Christopher Sneden, James W. Truran
We present detailed abundance observations of the metal-poor ([Fe/H] = --2.0) Galactic halo star BD+17 3248. We have detected gold in this star, for the first time in any halo star…
astro-ph1998
Stellar Abundance Observations
John J Cowan, Christopher Sneden, James W Truran +1
Ground- and space-based observations of stellar heavy element abundances are providing a clearer picture of the chemical evolution of the Galaxy. A large number of (r)apid and (s)l…