MINDS: The very low-mass star and brown dwarf sample - II. Probing disk settling, dust properties, and dust-gas interplay with JWST/MIRI

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Volume 703 (November 2025)

A&A, 703 (2025) A53

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Table C.2

Mass fractions of dust species and grain sizes for IC147, TWA27, and J1605 as obtained from the DuCKLinG model with flat opacity and C₂H₄ emission.

grain size	0.1 µm	1 µm	2 µm	3 µm	4 µm	5 µm
IC147 (%)

AmMg₂ SiO₄	${5.48}_{- 0.07}^{+ 0.08}$ $5.48_{ - 0.07}^{ + 0.08}$	0	0	0	0	0
Am MgSiO₃	0	0	0	0	0	0
Am SiO₂	${0.04}_{- 0.01}^{+ 0.01}$ $0.04_{ - 0.01}^{ + 0.01}$	0	0	0	0	0
Forsterite	0	0	0	${0.35}_{- 0.14}^{+ 0.12}$ $0.35_{ - 0.14}^{ + 0.12}$	0	${1.14}_{- 0.27}^{+ 0.29}$ $1.14_{ - 0.27}^{ + 0.29}$
Enstatite	${0.12}_{- 0.01}^{+ 0.01}$ $0.12_{ - 0.01}^{ + 0.01}$	0	0	0	0	0
Flat opacity	-	-	-	-	-	${92.88}_{- 0.22}^{+ 0.19}$ $92.88_{ - 0.22}^{ + 0.19}$

TWA27 (%)

AmMg₂ SiO₄	0	0	0	0	0	0
Am MgSiO₃	0	0	0	0	0	0
Am SiO₂	${15.24}_{- 1.41}^{+ 1.61}$ $15.24_{ - 1.41}^{ + 1.61}$	0	0	0	0	0
Forsterite	0	0	0	${0.00}_{- 0.00}^{+ 5.29}$ $0.00_{ - 0.00}^{ + 5.29}$	0	0
Enstatite	0	0	0	0	${79.27}_{- 7.62}^{+ 5.43}$ $79.27_{ - 7.62}^{ + 5.43}$	${0.51}_{- 0.51}^{+ 11.27}$ $0.51_{ - 0.51}^{ + 11.27}$
Flat opacity	-	-	-	-	-	0

J1605 (%)

AmMg₂ SiO₄	0	0	0	0	0	0
Am MgSiO₃	0	0	0	0	0	0
Am SiO₂	${98.28}_{- 3.18}^{+ 1.72}$ $98.28_{ - 3.18}^{ + 1.72}$	0	0	0	0	0
Forsterite	${1.72}_{- 1.72}^{+ 3.16}$ $1.72_{ - 1.72}^{ + 3.16}$	0	0	0	0	0
Enstatite	0	0	0	0	0	0
Flat opacity	-	-	-	-	-	0

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