Diagnostic value of far-IR water ice features in T Tauri disks

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Volume 617 (September 2018)

A&A, 617 (2018) A1

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Table 3

Peak strength of the 45 μm water ice feature in the reference model and the various T Tauri disk model series.






Model series	Value	S_45,peak





Reference (crystalline)	–	0.134
Reference (amorphous)	–	0.020






R_in (au)	0.07	0.133
	0.2	0.138
	1	0.108
	10	*
	30	*
	50	*






R_taper (au)	50	0.141
	100	0.130
	200	0.128






a_min (μm)	0.05	0.131
	0.5	0.132
	2	0.111
	10	0.043
	30	8 × 10⁻⁴
	50	0.0






M_dust (M_⊙)	10⁻³	0.138
	5 × 10⁻⁴	0.141
	3.3 × 10⁻⁴	0.132
	2 × 10⁻⁴	0.127
	10⁻⁴	0.127
	10⁻⁵	0.107
	10⁻⁶	0.050
	10⁻⁷	0.0






α_settle	10⁻²	0.132
	10⁻³	0.146
	10⁻⁴	0.157






f_ice	0.4	0.087
	0.8	0.128
	1.2	0.149
	1.6	0.170
	2.0	0.176

Notes. ^(*) Indicates that we cannot measure the strength of the ice feature accurately due to the peak of the SED falling into the range of the water ice emission features.

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