XMM-Newton Proposal 02000001

Details XMM-Newton Proposal 02000001 XMM-Newton Proposal 02000001

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003xmm..prop....1m&link_type=abstract

XMM-Newton Proposal ID #02000001

Computer Science

Hd 114762, Xmm-Newton Proposal 02000001

Scientific paper

We propose to observe 3 dG halo stars with chromospheric emission, with the aim to determine if these metal poor stars can have coronae with properties similar to those of population I stars. By assuming the relationship found for population I stars between MgII and coronal emission we have predicted the level of X-ray luminosity of our targets. Their detection at the predicted level, as well their non detection, will allow us to determine if old metal poor stars can host a solar-like dynamo or if MgII emission is due to a basal flux, originated by acustic waves without any relevant magnetic component.

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