Dust and molecular shells in asymptotic giant branch stars - Mid-infrared interferometric observations of R Aquilae, R Aquarii, R Hydrae, W Hydrae, and V Hydrae

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Volume 545 (September 2012)

A&A, 545 (2012) A56

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Table A.4

V Hya: circular fully limb-darkened disk (FDD) + circular Gaussian (G) and circular fully limb-darkened disk (FDD) + circular uniform ring (R).


		Circular FDD + circular Gaussian				Circular FDD + circular ring
λ	ΔV^a	θ _FDD	Flux ϵ_FDD	θ _G		θ _FDD	Flux ϵ_FDD	θ _R,in	θ _R,out
(μm)		(mas)		(mas)		(mas)		(mas)	(mas)


8.12	0.011	28.5 ± 2.0	0.22 ± 0.03	99 ± 6	8	35.3 ± 2.0	0.32 ± 0.04	51 ± 4	124 ± 6	14
8.33	0.011	26.5 ± 2.0	0.25 ± 0.03	100 ± 7	8	31.9 ± 2.0	0.33 ± 0.04	49 ± 4	125 ± 6	12
8.54	0.012	24.5 ± 2.0	0.26 ± 0.03	101 ± 5	8	30.0 ± 2.0	0.34 ± 0.04	50 ± 4	127 ± 6	12
8.71	0.011	22.9 ± 2.0	0.27 ± 0.01	101 ± 5	9	28.7 ± 2.0	0.35 ± 0.04	51 ± 4	129 ± 6	12
8.87	0.011	21.8 ± 2.0	0.27 ± 0.01	102 ± 5	10	27.9 ± 2.0	0.35 ± 0.04	51 ± 4	131 ± 6	12
9.07	0.011	21.0 ± 2.0	0.27 ± 0.03	102 ± 5	11	27.7 ± 2.0	0.35 ± 0.04	51 ± 4	133 ± 6	15
9.26	0.010	20.4 ± 2.5	0.26 ± 0.03	102 ± 4	13	27.7 ± 2.0	0.34 ± 0.04	51 ± 4	135 ± 6	17
9.45	0.010	20.2 ± 2.5	0.25 ± 0.01	103 ± 5	14	27.9 ± 2.0	0.34 ± 0.04	51 ± 4	138 ± 6	20
9.63	0.009	19.8 ± 3.0	0.24 ± 0.03	105 ± 5	18	28.1 ± 2.0	0.33 ± 0.04	52 ± 4	140 ± 6	26
9.78	0.009	19.2 ± 3.0	0.23 ± 0.03	105 ± 5	19	28.1 ± 2.0	0.32 ± 0.04	51 ± 4	143 ± 6	29
9.92	0.008	19.3 ± 3.5	0.23 ± 0.03	105 ± 4	20	28.6 ± 2.0	0.32 ± 0.04	51 ± 4	145 ± 6	30
10.09	0.008	19.8 ± 3.5	0.22 ± 0.01	105 ± 4	25	29.3 ± 2.0	0.31 ± 0.04	50 ± 4	147 ± 6	39
10.26	0.007	20.4 ± 3.5	0.21 ± 0.01	106 ± 4	26	30.4 ± 2.0	0.30 ± 0.04	50 ± 4	149 ± 6	41
10.42	0.006	20.6 ± 3.5	0.20 ± 0.03	107 ± 4	33	31.0 ± 2.0	0.29 ± 0.04	49 ± 4	152 ± 6	56
10.58	0.006	20.6 ± 3.5	0.18 ± 0.03	108 ± 5	35	31.0 ± 2.0	0.27 ± 0.04	46 ± 4	155 ± 6	65
10.71	0.007	20.6 ± 4.0	0.17 ± 0.03	109 ± 5	29	31.1 ± 2.0	0.26 ± 0.04	44 ± 4	157 ± 6	57
10.84	0.006	19.8 ± 4.5	0.17 ± 0.03	111 ± 4	36	30.7 ± 2.0	0.25 ± 0.04	43 ± 4	160 ± 6	73
10.99	0.005	19.2 ± 4.5	0.16 ± 0.01	112 ± 4	41	30.4 ± 2.0	0.24 ± 0.04	41 ± 4	162 ± 6	85
11.14	0.006	18.1 ± 5.5	0.15 ± 0.01	113 ± 4	37	29.2 ± 2.0	0.22 ± 0.04	37 ± 4	165 ± 6	77
11.29	0.006	17.5 ± 6.0	0.15 ± 0.03	114 ± 3	33	28.6 ± 2.0	0.21 ± 0.04	34 ± 4	167 ± 6	70
11.43	0.006	16.9 ± 5.5	0.14 ± 0.01	115 ± 4	33	27.7 ± 2.0	0.20 ± 0.04	29 ± 4	169 ± 6	71
11.55	0.006	16.3 ± 5.0	0.14 ± 0.03	115 ± 5	33	27.8 ± 2.0	0.19 ± 0.04	28 ± 4	171 ± 6	73
11.67	0.006	16.8 ± 5.5	0.13 ± 0.01	117 ± 4	30	28.8 ± 2.0	0.19 ± 0.04	28 ± 4	173 ± 6	69
11.81	0.006	15.0 ± 6.5	0.12 ± 0.03	117 ± 4	34	28.9 ± 2.0	0.18 ± 0.04	28 ± 4	175 ± 6	79
11.95	0.007	14.9 ± 6.5	0.12 ± 0.01	117 ± 4	30	25.5 ± 2.0	0.13 ± 0.04	64 ± 4	146 ± 6	70

Notes.

^(a)

Mean visibility error used for the corresponding wavelength bin (cf. Sect. 4.3);

^(b)

reduced chi square.

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