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J.D. Monnier (University of Michigan), R. Millan-Gabet, R.L. Akeson (Michelson Science Center, Caltech), J.-P. Berger (Laboratoire d'Astrophysique de Grenoble), R.R. Billmeier (University of Michigan), N. Calvet (Harvard-Smithsonian Center for Astrophysics), P. D'Alessio (Universidad Nacional Autónoma de México), L. Hartmann (Harvard-Smithsonian Center for Astrophysics), L. A. Hillenbrand (CalTech), M. Kuchner (Princeton), W.A. Traub (Harvard-Smithsonian Center for Astrophysics), P.G. Tuthill (University of Sydney), Keck Interferometer (NASA-JPL, Keck Obs., Michelson Sci. Ctr./Caltech) Team
Here we report first results of a survey of young stellar objects (YSO) with the newly-commissioned Keck Interferometer (Keck-I). The Keck-I has an order-of-magnitude greater sensitivity than other near-infrared interferometers allowing characteristic size measurements of a wide variety of YSO systems. The inner accretion disks of Classical T Tauris, Herbig Ae/Be stars, and FU Orionis objects have been observed at astronomical K-band (2.2 microns) and nearly all targets were resolved. In this poster, we present a status report and preliminary analysis of our initial dataset.
This work has been funded by NASA. The interferometer observations were made possible through the efforts of the NASA-Jet Propulsion Laboratory, the W. M. Keck Observatory, and the Michelson Science Center (Caltech).
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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.