X-Ray spectroscopy of cool stars: Present view and future expectations

Details X-Ray spectroscopy of cool stars: Present view and future expectations X-Ray spectroscopy of cool stars: Present view and future expectations

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hrxs.confe..18g&link_type=abstract

"High Resolution X-ray Spectroscopy: Towards IXO, Proceedings of the international workshop held at the Mullard Space Science La

Astronomy and Astrophysics

Astronomy

Scientific paper

X-ray astronomy of cool stars has greatly profited from high-resolution X-ray spectroscopy. Initially concentrating on coronal research, cool star X-ray spectroscopy is now also addressing issues as diverse as accretion physics, interactions of X-rays with circumstellar disks, physics of jets, etc. New spectral features identified in survey work (e.g., systematic abundance anomalies, 'soft excess') as well as from case studies (e.g., anomalous electron densities, absorption anomalies) have provided new input to deeper modeling. However, given the limitations of current instrumentation a new generation of spectrometers will be needed to fully interpret the underlying physics. Apart from reviewing X- ray spectroscopy results from cool stars, I will summarize issues that future X-ray spectrometers should be able to address.

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