New insights into the dust formation of oxygen-rich AGB stars

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Table 10

Dust condensation sequence.

Star	Dust chemistry	τ_V(Al₂O₃)	τ_V(silicate)	T_Phot [K]	Mass-loss rate [M_⊙/year]

R Cnc	Al₂O₃	1.35 ± 0.2	0.0	2604 ± 300	0.2 × 10^-7^a
S Ori	Al₂O₃	1.5 ± 0.5	0.0	2627 ± 300	2.2 × 10^-7^a
RR Aql	silicate	0.0	2.8 ± 0.8	2420 ± 200	9.1 × 10^-7^b
GX Mon	Al₂O₃ and silicate	1.9 ± 0.6	3.2 ± 0.5	2173 ± 300	54 × 10^-7^b

Notes. The table lists the star, the dust chemistry, the optical depth τ_V, the photospheric temperature, and the mass-loss rate adopted from

^(a)

Young (1995);

^(b)

Loup et al. (1993).

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