Mid‐infrared Spectroscopy of Disks around Classical T Tauri Stars
The Astrophysical Journal Supplement Series2004Vol. 154(1), pp. 443–447
Citations Over TimeTop 10% of 2004 papers
W. J. Forrest, B. Sargent, Elise Furlan, Paola D’Alessio, Nuria Calvet, Lee Hartmann, K. I. Uchida, J. D. Green, D. M. Watson, Christine Chen, F. Kemper, L. D. Keller, G. C. Sloan, T. Herter, Bernhard R. Brandl, J. R. Houck, D. J. Barry, Peter J. Hall, P. Morris, Joan Najita, Philip C. Myers
Abstract
We present the first Spitzer Infrared Spectrograph 11 observations of the disks around classical T Tauri stars: spectra in the 5.2-30 µm range of six stars. The spectra are dominated by emission features from amorphous silicate dust, and a continuous component from 5 to 8 µm that in most cases comprises an excess above the photosphere throughout our spectral range. There is considerable variation in the silicate feature/continuum ratio, which implies variations of inclination, disk flaring, and stellar mass accretion rate. In most of our stars, 1
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