Inner disc and circumplanetary material in the PDS 70 system: Insights from multi-epoch, multi-frequency ALMA observations

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Volume 699 (July 2025)

A&A, 699 (2025) A373

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Table 2

Disc continuum properties and geometrical parameters.

Dataset	Robust, Beam,	PA_beam	Peak Flux	Flux Density	RMS noise	i	PA	ΔRA	ΔDec
	[mas×mas]	[deg]	[mJy beam⁻¹]	[mJy]	[μJy. beam⁻¹]	[deg]	[deg]	[mas]	[mas]
B72019	1.0, 52 × 45	69	0.96 ± 0.10	176 ± 18	15	${49.94}_{- 0.01}^{+ 0.02}$ $49.94_{-0.01}^{+0.02}$	${160.46}_{- 0.01}^{+ 0.06}$ $160.46_{-0.01}^{+0.06}$	$- {19.2}_{- 0.2}^{+ 0.2}$ $-19.2_{-0.2}^{+0.2}$	${2.3}_{- 0.2}^{+ 0.2}$ $2.3_{-0.2}^{+0.2}$
B72021	1.0, 60 × 45	79	1.18 ± 0.12	187 ± 19	25	${49.83}_{- 0.02}^{+ 0.02}$ $49.83_{-0.02}^{+0.02}$	${160.00}_{- 0.04}^{+ 0.05}$ $160.00_{-0.04}^{+0.05}$	$- {19.4}_{- 0.2}^{+ 0.2}$ $-19.4_{-0.2}^{+0.2}$	${2.4}_{- 0.2}^{+ 0.2}$ $2.4_{-0.2}^{+0.2}$
B72023	0.0, 72 × 62	−90	1.85 ± 0.19	187 ± 19	19	${49.82}_{- 0.01}^{+ 0.01}$ $49.82_{-0.01}^{+0.01}$	${160.40}_{- 0.02}^{+ 0.01}$ $160.40_{-0.02}^{+0.01}$	$- {18.6}_{- 0.1}^{+ 0.1}$ $-18.6_{-0.1}^{+0.1}$	${0.8}_{- 0.9}^{+ 0.9}$ $0.8_{-0.9}^{+0.9}$
B6 2021 LF	0.0, 115 × 89	−84	1.46 ± 0.15	58 ± 6	16	${49.98}_{- 0.01}^{+ 0.07}$ $49.98_{-0.01}^{+0.07}$	${160.94}_{- 0.02}^{+ 0.04}$ $160.94_{-0.02}^{+0.04}$	$- {5.5}_{- 0.1}^{+ 0.3}$ $-5.5_{-0.1}^{+0.3}$	${2.4}_{- 0.1}^{+ 0.3}$ $2.4_{-0.1}^{+0.3}$
B6 2021 HF	0.0, 110 × 79	−86	1.48 ± 0.15	68 ± 7	13	${50.097}_{- 0.005}^{+ 0.021}$ $50.097_{-0.005}^{+0.021}$	${160.64}_{- 0.01}^{+ 0.04}$ $160.64_{-0.01}^{+0.04}$	$- {14.4}_{- 0.2}^{+ 0.2}$ $-14.4_{-0.2}^{+0.2}$	${2.2}_{- 0.2}^{+ 0.2}$ $2.2_{-0.2}^{+0.2}$

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