XMM-Newton Proposal 02030604

Details XMM-Newton Proposal 02030604 XMM-Newton Proposal 02030604

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..163b&link_type=abstract

XMM-Newton Proposal ID #02030604

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Hd 220140, Hd 174429, Hd 17925, Hd 82443, Xmm-Newton Proposal 02030604

Scientific paper

We will study how coronal structure changes as a function of rotation rate by obtaining RGS and EPIC spectra for a sample of essentially identical, nearby (within 50 pc), Pleiades-age K dwarfs. Our targets (HD220140 2.76d, HD174429 0.95d, HD17925 6.6d, and HD82443 5.4d), plus stars already observed,cover the rotation period range from 0.5 to 6.6 days,and thus sample both the saturated and linearly-dependent portions of the coronal rotation-activity relation. We will measure coronal temperature/emission measure distributions, elemental abundances, and electron densities, investigate the coronal energy budget and how it relates to TR properties, and combine our results with those for other K dwarfs (e.g.AB Dor) to understand how activity level controls coronal structure.

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