Astronomy and Astrophysics – Astronomy
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.3807d&link_type=abstract
American Astronomical Society, 182nd AAS Meeting, #38.07; Bulletin of the American Astronomical Society, Vol. 25, p.856
Astronomy and Astrophysics
Astronomy
1
Scientific paper
Spectrometers on board EUVE are obtaining stellar spectra in the extreme ultraviolet region that contain a wealth of unique information about atmospheres of cool stars. EUVE spectra of the RSCVn binary system Capella (HD 34029; G8 III + G0 III) are presented in this session (Dupree, Doschek, Green, & Raymond, EUVE Spectra of Capella (Alpha Aurigae), Bull. AAS, this volume). In addition, updated calculations of coronal ionization equilibrium (Brickhouse, Raymond, & Smith, Bull. AAS, this volume) increase the confidence of the analysis. These spectra and calculations will be used to illustrate major scientific questions that can be addressed through EUV spectroscopy: what is the distribution of temperature and emission measure in the atmosphere of the system? what are the atmospheric densities? are non-equilibrium ionization processes present? is there evidence for a stellar wind?
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