a High Resolution X-Ray Spectrum of the Intermediate Activity Star Epsilon ERI

Details a High Resolution X-Ray Spectrum of the Intermediate Activity Star Epsilon ERI a High Resolution X-Ray Spectrum of the Intermediate Activity Star Epsilon ERI

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..545r&link_type=abstract

Chandra Proposal ID #02200221

Physics

Chandra Proposal Id #02200221

Scientific paper

We propose to obtain a high-spectral resolution and a high signal-to-noise X-ray spectrum of the intermediate activity star epsilon Eri with the Chandra LETG. epsilon Eri is nearby (d = 3.29 pc), hence the full spectral range of the Chandra LETG can be utilised. Further, the star is unusual in the sense that it has both low temperature (Fe IX) and high temperature (Fe XXI) lines in its soft X-ray spectrum, all of which can be simultaneously studied. The LETG spectrum of epsilon Eri will be of unprecedented quality and allow us to study the detailed coronal temperature distribution, densities and possible abundance anomalies in epsilon Eri. epsilon Eri is a key target, since it is the by far nearest and X-ray brightest star of intermediate activity.

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