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Spectral Energy Distributions of T Tauri Stars with Passive Circumstellar Disks
Open accessAbstract
We derive hydrostatic, radiative equilibrium models for passive disks surrounding T Tauri stars. Each disk is encased by an optically thin layer of superheated dust grains. This layer reemits directly to space about half the stellar energy it absorbs. The other half is emitted inward and regulates the interior temperature of the disk. The heated disk flares. As a consequence, it absorbs more stellar radiation, especially at large radii, than a flat disk would. The portion of the spectral energy distribution contributed by the disk is fairly flat throughout the thermal infrared. At fixed frequency, the contribution from the surface layer exceeds that from the interior by about a factor 3 and is emitted at more than an order of magnitude greater radius. Spectral features from dust grains in the superheated layer appear in emission if the disk is viewed nearly face-on.
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Cited by
Protoplanetary Disks and Their Evolution
Williams, J. P., & Cieza, L. A. (2011) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081710-102548 · Cited by 1,403
Protoplanetary disk structures in Ophiuchus
Andrews, S. M., Wilner, D. J., Hughes, A. M., Qi, C., & Dullemond, C. P. (2009) · The Astrophysical Journal · doi:10.1088/0004-637x/700/2/1502 · Cited by 709
Meeus, G., Waters, L. B. F. M., Bouwman, J., van den Ancker, M. E., Waelkens, C., & Malfait, K. (2001) · Astronomy & Astrophysics · doi:10.1051/0004-6361:20000144 · Cited by 567
High‐Resolution Submillimeter Constraints on Circumstellar Disk Structure
Andrews, S. M., & Williams, J. P. (2007) · The Astrophysical Journal · doi:10.1086/511741 · Cited by 426
Woitke, P., Kamp, I., & Thi, W.-F. (2009) · Astronomy & Astrophysics · doi:10.1051/0004-6361/200911821 · Cited by 399
Metadata
- Authors
- Chiang, E. I., & Goldreich, P.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1997-11-20
- Volume
- 490
- Issue
- 1
- Pages
- 368-376
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2099559854
- Cited by
- 1,683
- References
- 0
- FWCI
- 12.17
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Chiang, E. I., & Goldreich, P. (1997). Spectral Energy Distributions of T Tauri Stars with Passive Circumstellar Disks. The Astrophysical Journal. https://doi.org/10.1086/304869
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
