Free Access

Table 7

Average dust shell parameters.

Star Model τ V τ V Rin/RPhot Rin/RPhot p p ΘPhot
(Al2O3) (silicate) (Al2O3) (silicate) (Al2O3) (silicate) [mas]

S Ori 0.1 ± 0.2 0.3 ± 0.1 (M22–M24n) 1.5 ± 0.5 1.9 ± 0.3 2.9 ± 0.4 9.7 ± 1.0
R Cnc 0.0 ± 0.1 0.25 (M22) 1.35 ± 0.2 2.2 ± 0.3 2.5 ± 0.0 12.3 ± 0.0
GX Mon 0.2 ± 0.1 (M21n–M23n) 1.9 ± 0.6 3.2 ± 0.5 2.1 ± 0.3 4.6 ± 0.2 2.8 ± 0.4 2.5 ± 0.0 8.7 ± 1.3
RR Aqla 0.6 ± 0.1 0.1 (M21n) 2.8 ± 0.8 4.1 ± 0.7 2.6 ± 0.3 7.6 ± 0.6

Notes. The table lists the star, the average observed visual phase , the phase of the model , the model, the optical depths τV(Al2O3) and τV(silicate), the inner boundary radii Rin/RPhot(Al2O3) and Rin/RPhot(silicate), the density distributions p(Al2O3) and p(silicate), and the continuum photospheric angular diameter ΘPhot.

(a)

The values for RR Aql are from Karovicova et al. (2011) and are repeated here for completeness.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.