3 papers
astro-ph2007
Short Timescale Coronal Variability in Capella
Vinay L. Kashyap, Jennifer Posson-Brown
We analyze 205 ks of imaging data of the active binary, Capella, obtained with the Chandra High Resolution Camera Imager (HRC-I) to determine whether Capella shows any variability…
astro-ph2002
Bayesian Spectral Analysis of Metal Abandance Deficient Stars
Epaminondas Sourlas, David van Dyk, Vinay Kashyap +2
Metallicity can be measured by analyzing the spectra in the X-ray region and comparing the flux in spectral lines to the flux in the underlying Bremsstrahlung continuum. In this pa…
astro-ph2000
AD Leo from X-Rays to Radio: Are Flares Responsible for the Heating of Stellar Coronae?
M. Guedel, M. Audard, E. F. Guinan +4
In spring 1999, a long coordinated observing campaign was performed on the flare star AD Leo, including {\it EUVE}, {\it BeppoSAX}, the {\it VLA}, and optical telescopes. The campa…