2 papers
astro-ph2001
Confirming the Metal-Rich Nature of Stars with Giant Planets
Nuno C. Santos, Garik Israelian, Michel Mayor
With the goal of confirming the metallicity ``excess'' observed in stars with planetary mass companions, we have conducted a high-precision spectroscopic study of a ``comparison''…
astro-ph1999
Wolf-Rayet stars and radioisotope production
G. Meynet, M. Arnould
Radioisotopes are natural clocks which can be used to estimate the age of the solar system. They also influence the shape of supernova light curves. In addition, the diffuse emissi…