Viscously Stirring Particle Disks into Lorentzians and Gaussians to Infer Dynamical and Collisional Masses (ARKS XIII)

arXiv:2604.19743 · astro-ph.EP, astro-ph.GA · Submitted 2026-08-16 · Read on arXiv

Eugene Chiang, Tim D. Pearce, Marija R. Jankovic, Alexander Jeffrey Backues, Yinuo Han, Alexander V. Krivov, Margaret Pan, Brianna Zawadzki, A. Meredith Hughes, Krish Prakash Jhurani, Joshua B. Lovell, Sebastian Marino, Antranik A. Sefilian, David J. Wilner, Mark C. Wyatt, Sebastian Perez, Peter Abraham, Agnes Kospal, Patricia Luppe

astro-ph.EP, astro-ph.GA

Submitted: 2026-08-16

Updated: 2026-08-18

Comments: Corrected equation 4; new section 2.4 deriving analytic stirring rates; new section 3.3 showing analytic estimates agree with numerical simulations; tighter big body constraints in revised Figures 13 and 14. Accepted to ApJ

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Anti-correlation — 2× in this paper · explained in 3 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Atacama Large Millimeter Array — 1× in this paper
• N-body simulations — 1× in this paper · explained in 2 episodes

Sources

• The multi-wavelength vertical structure of the archetypal $\beta$ Pictoris debris disk
• The Edges of Planetary Systems: Falling Off the Kuiper Cliff in a Dissipating Gas Disk

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