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The inner 1 AU of circumstellar disks

Published online by Cambridge University Press:  26 May 2016

R. L. Akeson ,
D. R. Ciardi ,
G.T. van Belle ,
M.J. Creech-Eakman  and
E. A. Lada
R. L. Akeson
Affiliation:
IPAC/California Institute of Technology, MS 100-22, Pasadena, CA 91125, USA
D. R. Ciardi
Affiliation:
University of Florida, Gainesville, FL 32611, USA
G.T. van Belle
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, MS 171-113, 4800 Oak Grove, Pasadena, CA 91109, USA
M.J. Creech-Eakman
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, MS 171-113, 4800 Oak Grove, Pasadena, CA 91109, USA
E. A. Lada
Affiliation:
University of Florida, Gainesville, FL 32611, USA

Abstract

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Infrared observations of two T Tauri stars, T Tau and SU Aur, were obtained using long-baseline interferometry with the Palomar Testbed Interferometer (PTI). For both sources, the 2.2 micron emission is resolved at PTF's nominal fringe spacing of 4 milliarcsec. Using simple circumstellar material distributions, we find that the infrared emission region is tenths of AU in size. We also compare our results from PTI with accretion disk models inferred from spectral energy distributions.

Type
Part IV: Protoplanetary and β Pic disks
Information
Symposium - International Astronomical Union , Volume 202: Planetary Systems in the Universe – Observation, Formation and Evolution , 2004 , pp. 316 - 318
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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