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To appear in the Astrophysical Journal, Letters Observations of DG Tauri with the Keck Interferometer (2009)

M. Colavita,
R. Akeson,
P. Wizinowich,
M. Shao,
S. Acton,
J. Beletic,
J. Bell,
J. Berlin,
A. Boden,
A. Booth,
R. Boutell,
F. Chaffee,
D. Chan,
J. Chock,
R. Cohen,
S. Crawford,
M. Creech-eakman,
G. Eychaner,
C. Felizardo,
J. Gathright,
G. Hardy,
H. Henderson,
J. Herstein,
M. Hess,
E. Hovl,
M. Hrynevych,
R. Johnson,
J. Kelley,
R. Kendrick,
C. Koresko,
P. Kurpis,
D. Le Mignant,
H. Lewis,
E. Ligon,
W. Lupton,
D. Mcbride,
B. Mennesson,
R. Millan-gabet,
J. Monnier,
J. Moore,
C. Nance,
C. Neyman,
A. Niessner,
D. Palmer,
L. Reder,
A. Rudeen,
T. Saloga,
A. Sargent,
E. Serabyn,
R. Smythe,
P. Stomski,
K. Summers,
M. Swain,
P. Swanson,
R. Thompson,
K. Tsubota,
A. Tumminello,
G. Van Belle,
G. Vasisht,
J. Vause,
J. Walker,
K. Wallace,
U. Wehmeier

Abstract

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.

Publication details

Download	http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.145.5611
Source	http://planetquest.jpl.nasa.gov/Keck/DGTau_preprint.pdf
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Repository	CiteSeerX - Scientific Literature Digital Library and Search Engine (United States)
Type	text
Language	English