Disk Accretion in the 10 Myr Old T Tauri Stars TW Hydrae and Hen 3-600A.

Abstract

We have found that two members of the TW Hydrae association, TW Hydrae and Hen 3-600A, are still actively accreting, based on the ballistic infall signature of their broad Halpha emission profiles. We present the first quantitative analysis of accretion in these objects and conclude that the same accretion mechanisms which operate in the well-studied 1 Myr… (More)

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