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Sublimation temperature of circumstellar dust particles and its importance for dust ring formation

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Figure

Table 1. Material parameters: the material density, μ is the mean molecular weight, H is the latent heat of sublimation, and P0 is the saturated vaporpressure Pv in the limit of high temperature.
Fig. 1.Sublimation temperature Tsub as a function of μHξ−1, whereξ = 1 + 0.02 ln(P0/6.7 × 1014 dyn cm−2)
Fig. 2.Sublimation distance asub in solar radii R⊙ as a function of(1 + x−1)1/2(L∗/L⊙)1/2/T 2sub, where x is given by Eq
Fig. 3. The enhancement factors for low orbital eccentricities as a functionof x, where the dimensionless parameter x is determined by Eq
+2

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