The Production of X-ray Emission in Classical T Tauri Stars

Details The Production of X-ray Emission in Classical T Tauri Stars The Production of X-ray Emission in Classical T Tauri Stars

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cxo..prop.1650h&link_type=abstract

Chandra Proposal ID #06200645

Physics

Chandra Proposal Id #06200645

Scientific paper

We propose to obtain a 150 ks HETG spectrum of the Classical T Tauri Star (CTTS) V4046 Sgr. The unknown source of strong X-ray emission remains a glaring weakness in our understanding of energetics around young stars. An HETG observation of the CTTS TW Hya suggested that the physical properties of the hot gas around accreting stars may be different from solar-like coronae. This difference hints that accretion may produce most of the X-rays from CTTSs. However, this tentative conclusion is based on observations of only one CTTS, that may not be representative of its class. We seek to verify this conclusion, and to obtain a better understanding of the temperature, electron density, and abundances of hot gas around CTTSs, by obtaining a high S/N HETG spectrum of an X-ray bright CTTS.

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