MINDS - A multi-instrument investigation into the molecule-rich JWST-MIRI spectrum of the DF Tau binary system

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Volume 689 (September 2024)

A&A, 689 (2024) A85

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Table A.2

Visibility modeling results, in addition to the parameters given in Table 1.

	Property	Best value ±3σ	unit
Phasecenter	ΔARA_SB1	−24.2 ± 1.7	mas
DF Tau A	ΔDec_SB1	−24.6 ± 1.7	mas
	ΔRA_SB2	25.1 ± 9.7	mas
	ΔDecs_B2	−12.2 ± 14.3	mas
	ΔRA_LB1	27.5 ± 0.1	mas
	ΔDec_LB1	−29.5 ± 0.2	mas
	ΔRA_LB2	24.8 ± 0.6	mas
	ADec_LB2	−21.3 ± 1.1	mas

Intensity	i_SB1	1.20 ± 0.04	-
Scaling	i_SB2	1.00	-
	i_LB1	1.10 ± 0.04	-
	i_LB2	0.92 ± 0.03	-

Gaussian	f_A	${55.3}_{- 8.0}^{+ 3.3}$ $\[55.3_{-8.0}^{+3.3}\]$	μJy/pix
ring	r_A	${0.1}_{- 0.1}^{+ 3.2}$ $\[0.1_{-0.1}^{+3.2}\]$	mas
	σ_A	${9.8}_{- 1.3}^{+ 0.3}$ $\[9.8_{-1.3}^{+0.3}\]$	mas
	f_B	${44.5}_{- 3.3}^{+ 12.5}$ $\[44.5_{-3.3}^{+12.5}\]$	μJy/pix
	r_B	${4.1}_{- 4.1}^{+ 2.2}$ $\[4.1_{-4.1}^{+2.2}\]$	mas
	σ_B	${8.3}_{- 1.1}^{+ 1.7}$ $\[8.3_{-1.1}^{+1.7}\]$	mas

Disk	inc_A	${18.9}_{- 9.4}^{+ 6.0}$ $\[18.9_{-9.4}^{+6.0}\]$	deg
Geometry*	PA_A	${34.4}_{- 20.0}^{+ 31.9}$ $\[34.4_{-20.0}^{+31.9}\]$	deg
	inc_B	${26.5}_{- 8.1}^{+ 4.7}$ $\[26.5_{-8.1}^{+4.7}\]$	deg
	PA_B	${4.0}_{- 4.0}^{+ 15.0}$ $\[4.0_{-4.0}^{+15.0}\]$	deg

Notes. * indicates parameters that should be taken with caution. As the emission is only marginally resolved, the values are not well constrained and the uncertainties instead reflect the uncertainties of the model and not the true uncertainties of the data.

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