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Accretion column structure of magnetic cataclysmic variables from X-ray spectroscopy
R. Hoogerwerf, N. S. Brickhouse, C. W. Mauche
Using Chandra HETG data we present light curves for individual spectral lines of Mg XI and Mg XII for EX Hydrae, an intermediate-polar type cataclysmic variable. The Mg XI light cu…
X-ray Light Curves and Accretion Disk Structure of EX Hydrae
R. Hoogerwerf, N. S. Brickhouse, C. W. Mauche
We present X-ray light curves for the cataclysmic variable EX Hydrae obtained with the Chandra High Energy Transmission Grating Spectrometer and the Extreme Ultraviolet Explorer De…
An Assessment of the Fe XVIII and Fe XIX Line Ratios from the Chandra Grating Observations of Capella
P. Desai, N. S. Brickhouse, J. J. Drake +8
Observations of Fe XVIII and Fe XIX X-ray, EUV, and FUV line emission, formed at the peak of Capella's (alpha Aurigae) emission measure distribution and ubiquitous in spectra of ma…
Inferring coronal structure from X-ray lightcurves and Doppler shifts: a Chandra study of AB Doradus
G. A. J. Hussain, N. S. Brickhouse, A. K. Dupree +6
The Chandra X-ray observatory monitored the single cool star, AB Doradus, continuously for a period lasting 88 ksec (1.98 Prot) in 2002 December with the LETG/HRC-S. The X-ray ligh…
The Radial Velocity and Mass of the White Dwarf of EX Hydrae Measured with Chandra
R. Hoogerwerf, N. S. Brickhouse, C. W. Mauche
We present the first detection of orbital motion in the cataclysmic variable EX Hydrae based on X-ray data from the Chandra X-ray Observatory. The large collecting area of the tele…
Radial velocities of early-type stars in the Perseus OB2 association
K. C. Steenbrugge, J. H. J. de Bruijne, R. Hoogerwerf +1
We present radial velocities for 29 B- and A-type stars in the field of the nearby association Perseus OB2. The velocities are derived from spectra obtained with AURELIE, via cross…