Arentoft, Torben, Kjeldsen, Hans, Bedding, Timothy R., Bazot, Michael, Christensen-Dalsgaard, Joergen, Dall, Thomas H., ...
We have carried out a multi-site campaign to measure oscillations in the F5 star Procyon A. We obtained high-precision velocity observations over more than three weeks with eleven telescopes, with...
Surprising dissimilarities in a newly formed pair of 'identical twin' stars (2008)
Stassun, Keivan G., Mathieu, Robert D., Cargile, Phillip A., Aarnio, Alicia N., Stempels, Eric, Geller, Aaron
The mass and chemical composition of a star are the primary determinants of its basic physical properties--radius, temperature, luminosity--and how those properties evolve with time. Thus, two stars...