Probing Pre-main Sequence Accretion with HETGS: the Hen 3-600 Binary

Details Probing Pre-main Sequence Accretion with HETGS: the Hen 3-600 Binary Probing Pre-main Sequence Accretion with HETGS: the Hen 3-600 Binary

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1393k&link_type=abstract

Chandra Proposal ID #05200582

Physics

Chandra Proposal Id #05200582

Scientific paper

We propose to obtain Chandra/HETGS spectra of a close (1.4'' separation) binary pre-main sequence (PMS) system, Hen 3-600, which is a particularly well-studied member of the nearby (D = 50 pc) TW Hya Association. Results for fundamental plasma physical conditions (e.g. temperatures and densities) derived from these spectra, when compared with previous Chandra/HETGS results for both PMS and active, main-sequence stars, will provide new insight into the relationship between PMS X-ray emission and PMS stellar accretion and magnetic activity. The unique potential to obtain high-quality, spatially resolved spectra of a coeval PMS binary makes these observations a particularly cost-effective use of 100 ks of Chandra/HETGS observing time.

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