XMM-Newton Proposal 02023602

Details XMM-Newton Proposal 02023602 XMM-Newton Proposal 02023602

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop..124m&link_type=abstract

XMM-Newton Proposal ID #02023602

Physics

Hk Aqr, Xmm-Newton Proposal 02023602

Scientific paper

We propose to observe two fast-rotating M dwarfs in the saturated X-ray emission regime with the aim to get information on the characteristic sizes and spatial distribution of the coronal structures, and on the temperature(s) of the emitting plasma. We will achieve the above goal by monitoring the X-ray emission of the targets continuously for three rotation periods, in order to test for the presence of rotational modulation of the coronal emission, and to determine the properties of the emitting plasma by means of X-ray photometry and time-resolved X-ray spectroscopy with EPIC. These observations will yield insights into the nature of the magnetic dynamo (e.g., shell-type, alpha^2-type, turbulent) at work in these stars.

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