Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...566.1124a&link_type=abstract
The Astrophysical Journal, Volume 566, Issue 2, pp. 1124-1131.
Astronomy and Astrophysics
Astronomy
47
Stars: Circumstellar Matter, Stars: Individual (T Tauri, Su Aurigae), Stars: Pre-Main-Sequence
Scientific paper
We present circumstellar disk models for two pre-main-sequence objects, T Tau and SU Aur. The models are based on interferometric data from infrared and millimeter wavelengths and infrared photometry from the literature. The physical properties of the disk are examined by calculating parameter probabilities based on a passive, flat-disk model. The model adequately fits the data for SU Aur but not for T Tau. We find that there are significant differences in the physical parameters suggested by the individual data sets. The size of the inner disk radius as implied by the infrared interferometry data (~tenths of AU) is larger than expected for a flat-disk model. This discrepancy is discussed in consideration of more complex disk models that include the presence of a hot, inner region or wall in the disk.
Akeson Rachel Lynn
Ciardi David R.
Creech-Eakman Michelle J.
van Belle Gerard T.
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