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Table 3

Dust composition of OH 127.8+0.0 ’s CSE.

Dust species Chemical formula ρ s T cond ρspecies/ρd Reference
(g cm-3) (K) (%)

Amorphous silicate (MgxFe1−x)2SiO4 3.58 1100 69 1
Enstatite MgSiO3 2.80 950 3 2
Forsterite Mg2SiO4 3.30 950 7 3
Metallic iron Fe 7.87 1150 5 4
Crystalline water ice c-H2O 1.00 110 7 5
Amorphous water ice a-H2O 1.00 100 9 5, 6

Notes.Listed are the dust species with their chemical formula, their specific density ρs, the condensation temperature Tcond, the mass fraction of the dust species (given as the mass density of the dust species with respect to the total dust-mass density ρspecies/ρd, assuming all dust species have been formed), and the reference to the optical data for the opacities. The references for the optical constants of the dust species are as follows: 1) de Vries et al. (2010) and references therein; 2) Jäger et al. (1998); 3) Servoin & Piriou (1973); 4) Henning & Stognienko (1996); 5) Warren (1984); 6) Bertie et al. (1969).

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