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16 February 2025
 
  » arxiv » astro-ph/0112048

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X-ray Spectroscopy of Cataclysmic Variables
Koji Mukai ;
Date 3 Dec 2001
Subject astro-ph
AffiliationNASA/GSFC and Usra
AbstractIn cataclysmic variables (CVs), accretion onto white dwarfs produces high temperature, high density plasmas. They cool down from kT~10 keV via bremsstrahlung continuum and K and L shell line emissions. The small volume around white dwarfs means that the plasma densities are much higher than in, e.g., stellar coronae, probably beyond the range well-described by existing models. I will describe potential diagnostics of the temperatures, the densities, and the optical depths of X-ray emitting plasmas in CVs, and present the recent Chandra grating spectra of the magnetic CV V1223 Sgr as an example.
Source arXiv, astro-ph/0112048
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