Observations of DG Tauri with the Keck Interferometer
The Astrophysical Journal2003Vol. 592(2), pp. L83–L86
Citations Over TimeTop 10% of 2003 papers
M. M. Colavita, Rachel Akeson, Peter Wizinowich, Minhua Shao, Scott T. Acton, James W. Beletic, J. Bell, Jeffrey Berlin, A. F. Boden, A. J. Booth, R. Boutell, Frederic H. Chaffee, Dwight Chan, J. Chock, Richard W. Cohen, S. Crawford, M. J. Creech‐Eakman, Glenn Eychaner, C. Felizardo, J. Gathright, Graham Hardy, Heike Henderson, J. Herstein, M. Hess, E. Hovland, M. Hrynevych, Richard L. Johnson, J. H. Kelley, Rick Kendrick, C. Koresko, P. Kurpis, D. Le Mignant, Hilton Lewis, Edgar R. Ligon, William Lupton, David McBride, Bertrand Mennesson, R. Millan‐Gabet, John D. Monnier, James D. Moore, C. Nance, C. Neyman, Albert F. Niessner, Dean L. Palmer, Leonard J. Reder, A. Rudeen, T. Saloga, Anneila I. Sargent, Eugene Serabyn, R. Smythe, Paul J. Stomski, K. Summers, Mark G. Swain, P. Swanson, R. R. Thompson, Kevin Tsubota, A. Tumminello, Gerald van Belle, Gautam Vasisht, J. Vause, James M. Walker, J. Kent Wallace, Udo J. 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.
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