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On the Submillimeter Opacity of Protoplanetary Disks
Open accessAbstract
Solid particles with the composition of interstellar dust and power-law size distribution dn / da ∝ a - p (for a ≤ a max with a max ≳ 3λ and 3 < p < 4) will have submillimeter opacity spectral index β(λ) ≡ d ln κ/ d ln ν ≈ ( p - 3)β ISM , where β ISM ≈ 1.7 is the opacity spectral index of interstellar dust material in the Rayleigh limit. For the power-law index p ≈ 3.5, which characterizes interstellar dust and may apply for particles growing by agglomeration in protoplanetary disks, grain growth to sizes a ≳ 3 mm will result in β(1 mm) ≲ 1. Grain growth can naturally account for β ≈ 1 observed for protoplanetary disks, provided that a max ≳ 3λ.
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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
A Major Asymmetric Dust Trap in a Transition Disk
van der Marel, N., van Dishoeck, E. F., Bruderer, S., Birnstiel, T., Pinilla, P., Dullemond, C. P., van Kempen, T. A., Schmalzl, M., Brown, J. M., Herczeg, G. J., et al. (2013) · Science · doi:10.1126/science.1236770 · Cited by 608
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., Min, M., Pinte, C., Thi, W.-F., Kamp, I., Rab, C., Anthonioz, F., Antonellini, S., Baldovin-Saavedra, C., Carmona, A., et al. (2016) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201526538 · Cited by 380
Metadata
- Authors
- Draine, B. T.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2006-01-10
- Volume
- 636
- Issue
- 2
- Pages
- 1114-1120
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2083224201
- Cited by
- 501
- References
- 0
- FWCI
- 9.26
- Type
- journal article
- Language
- en
- Open access
- bronze
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