Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): PDS 111, an old T Tauri star with a young-looking disk

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Volume 688 (August 2024)

A&A, 688 (2024) A149

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Table 2

Dust continuum visibility modeling results.

	Property	Best value + 1σ	Unit
Disks	x₀	27.3 ± 0.6	mas
Geometry	y₀	7.4 + 0.3	mas
	inc	58.2 + 0.1	deg
	PA	66.2 + 0.1	deg

𝑔₁	ƒ₁	${119.8}_{- 94.4}^{+ 146.5}$ $119.8_{ - 94.4}^{ + 146.5}$	µJy/pix
	σ₁	${3.8}_{- 2.6}^{+ 4.9}$ $3.8_{ - 2.6}^{ + 4.9}$	mas

𝑔₂	f₂	${1.8}_{- 0.9}^{+ 1.3}$ $1.8_{ - 0.9}^{ + 1.3}$	µJy/pix
	r₂	${280.8}_{- 28.0}^{+ 45.0}$ $280.8_{ - 28.0}^{ + 45.0}$	mas
	σ₂	${94.9}_{- 21.9}^{+ 25.3}$ $94.9_{ - 21.9}^{ + 25.3}$	mas

𝑔₃	f₃	${22.1}_{- 0.7}^{+ 1.4}$ $22.1_{ - 0.7}^{ + 1.4}$	µJy/pix
	r₃	${286.6}_{- 3.5}^{+ 2.6}$ $286.6_{ - 3.5}^{ + 2.6}$	mas
	σ₃	${33.8}_{- 6.1}^{+ 4.7}$ $33.8_{ - 6.1}^{ + 4.7}$	mas

𝑔₄	f₄	${2.4}_{- 0.7}^{+ 1.4}$ $2.4_{ - 0.7}^{ + 1.4}$	µJy/pix
	r₄	${286.7}_{- 54.2}^{+ 31.0}$ $286.7_{ - 54.2}^{ + 31.0}$	mas
	σ_r4	${116.5}_{- 30.8}^{+ 4.7}$ $116.5_{ - 30.8}^{ + 4.7}$	mas
	θ₄	−175.2 ±2.4	deg
	σ_θ4	${11.3}_{- 4.0}^{+ 3.6}$ $11.3_{ - 4.0}^{ + 3.6}$	deg

Properties	F_tot	${139.1}_{- 0.6}^{+ 0.2}$ $139.1_{ - 0.6}^{ + 0.2}$	mJy
	R_68%	${307.2}_{- 1.7}^{+ 2.5}$ $307.2_{ - 1.7}^{ + 2.5}$	mas
	R_90%	${345.4}_{- 58}^{+ 0.9}$ $345.4_{ - 58}^{ + 0.9}$	mas
	R_95%	${376.6}_{- 11.1}^{+ 5.9}$ $376.6_{ - 11.1}^{ + 5.9}$	mas

Notes. Uncertainties represent the 68% dispersion range. Pixel size was 4 mas. The central angle of the asymmetry (θ₄) is measured relative to the disk PA. The second column gives the properties of the four Gaussian model components; flux (f), sigma (σ), radius (r), and asymmetry angle (θ).

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