3 papers
astro-ph2004
HETGS Spectroscopy of a Coronally Active Contact Binary, VW Cep
David P. Huenemoerder, Adrienne Hunacek
Short-period binaries represent extreme cases in the generation of stellar coronae via a rotational dynamo. Such stars are important for probing the origin and nature of coronae in…
astro-ph2003
Stellar Coronal Spectroscopy with the Chandra HETGS
David P. Huenemoerder, Bram Boroson, Norbert S. Schulz +4
Spectroscopy with the Chandra High Energy Transmission Grating Spectrometer provides details on X-ray emission and activity from young and cool stars through resolution of emission…
astro-ph2001
X-ray Spectra and Light Curves of AR Lac: Temperature Structure, Abundances, and Variability
David Huenemoerder, Claude Canizares, Kevin Tibbetts
We observed AR Lac, an eclipsing RS CVn binary star, with the Chandra High Energy Grating Spectrometer for a total of 100 ks divided into six intervals covering both quadratures an…