Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-07-02
Astrophys.J.592:L83-L86,2003
Astronomy and Astrophysics
Astrophysics
10 pages, 2 figures, to appear in ApJ Letters
Scientific paper
10.1086/377704
We present the first science results from the Keck Interferometer, a direct-detection infrared interferometer utilizing the two 10-meter Keck telescopes. The instrument and system components are briefly described. We then present observations of the T Tauri object DG Tau, which is resolved by the interferometer. The resolved component has a radius of 0.12 to 0.24 AU, depending on the assumed stellar and extended component fluxes and the model geometry used. Possible origins and implications of the resolved emission are discussed.
Akeson Rachael
Colavita Mark M.
Shao Maxine
Wizinowich Peter
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