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A Disintegrating Rocky Planet with Prominent Comet-like Tails around a Bright Star

  • Authors: Marc Hon, Saul Rappaport, Avi Shporer, Andrew Vanderburg, Karen A. Collins, Cristilyn N. Watkins, Richard P. Schwarz, Khalid Barkaoui, Samuel W. Yee, Joshua N. Winn, Alex S. Polanski, Emily A. Gilbert, David R. Ciardi, Jeroen Audenaert, William Fong, Jack Haviland, Katharine Hesse, Daniel Muthukrishna, Glen Petitpas, Ellie Hadjiyska Schmelzer, Norio Narita, Akihiko Fukui, Sara Seager, George R. Ricker

Marc Hon et al 2025 The Astrophysical Journal Letters 984 .

  • Provider: AAS Journals

Caption: Figure 10.

(a) Distribution of dust grain distances from the planet over time for an impulsive dust ejection event. The colored curves represent different numbers of elapsed orbits since the release. Values of β are drawn from a uniform distribution ﹩{ \mathcal U }﹩, while H denotes the Heaviside function. (b) A steady-state dust tail profile, shown as the integral of the dust distribution over time weighted by a decay function G(N), characterized by a scale number N0. The decaying profiles both use N0 = 2, specifically chosen such that the resulting decay of the dust density visually resembles plausible transit profiles of BD+05 4868 A in Figure 8.

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