X-ray spectral diagnostics of accretion processes in pre-main sequence stars: TWA14

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Chandra Proposal Id #08200589

Scientific paper

We propose to obtain a 160 ks Chandra LETG+ACIS-S spectrum of TWA14, one of the very few accreting pre-main sequence stars easily accessible to high-resolution spectroscopy, being in the nearby TW Hydrae Association and X-ray bright. This observation will provide unique X-ray diagnostics of accretion and grain depletion of accreting gas, and will determine the role of accretion and star-disk interaction in the high energy emission of classical T Tauri stars.

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