Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993psu..rept.....r&link_type=abstract
Final Technical Report Pennsylvania State Univ., University Park. Dept. of Astronomy and Astrophysics.
Astronomy and Astrophysics
Astronomy
Chromosphere, Optical Activity, Sky Surveys (Astronomy), X Ray Astronomy, X Ray Binaries, Balmer Series, Coronal Loops, Rosat Mission, Solar Activity
Scientific paper
The connection between processes that produce optical chromospheric activity indicators and those that produce x-rays in RS CVn binary systems by taking advantage of the ROSAT All-Sky Survey (RASS) results and our unique ground-based data set was investigated. In RS CVn systems, excess emission in the Ca 2 resonance (K & H) and infrared triplet (IRT) lines and in the Balmer lines of hydrogen is generally cited as evidence for chromospheric activity, which is usually modeled as scaled up solar-type activity. X-ray emission in RS CVn systems is believed to arise from coronal loop structures. Results from spectra data obtained from RASS observations are discussed and presented.
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