Astrometric view of companions in the inner dust cavities of protoplanetary discs

Home

All issues

Volume 705 (January 2026)

A&A, 705 (2026) A238

Full HTML

Press Release

Open Access

Table A.1

YSO sources with protoplanetary discs with inner dust cavities (‘transition discs’) considered in this work.

Name	Companion	Companion mass (M_J)	Companion separation (au)	T_eff (K)	L_* (L_⊙)	Ref. stellar param.	M_* (M_⊙)	inc (deg)	PA (deg)	Cavity size (au)	Ref. disc geom.	\|Δμ\|/σ_\|Δμ\|	RUWE
AA Tau	Yes	$98_{- 55}^{+ 200}$ $98_{-55}^{+200}$	$1 . 93_{- 1.00}^{+ 1.9}$ $1.93_{-1.00}^{+1.9}$	$3762_{- 190}^{+ 190}$ $3762_{-190}^{+190}$	$0 . 75_{- 0.34}^{+ 0.34}$ $0.75_{-0.34}^{+0.34}$	1	0.47 ± 0.23	58.540 ± 0.020	93.770 ± 0.030	44.0	a	5.11	3.33
AB Aur	No			$9000_{- 120}^{+ 120}$ $9000_{-120}^{+120}$	$45 . 7_{- 4.6}^{+ 4.6}$ $45.7_{-4.6}^{+4.6}$	2	2.464 ± 0.094	23.0 ± 1.0	36.0 ± 1.0	156.0	b	1.37	1.37
AK Sco	Yes	$323_{- 250}^{+ 970}$ $323_{-250}^{+970}$	$4 . 3_{- 3.8}^{+ 5.9}$ $4.3_{-3.8}^{+5.9}$	$6000_{- 250}^{+ 250}$ $6000_{-250}^{+250}$	$5 . 6_{- 1.5}^{+ 1.5}$ $5.6_{-1.5}^{+1.5}$	2	1.69 ± 0.45	65.0 ± 1.0	53.0 ± 5.0	20.0	this work	5.35	1.60
AS 205 S	No			$3970_{- 30}^{+ 50}$ $3970_{-30}^{+50}$	$0 . 44_{- 0.20}^{+ 0.20}$ $0.44_{-0.20}^{+0.20}$	3	0.69 ± 0.12	66.3 ± 1.7	109.60 ± 0.80	3.4	c	1.00	1.75
AS 209	No			$4266_{- 280}^{+ 310}$ $4266_{-280}^{+310}$	$1 . 42_{- 0.52}^{+ 0.83}$ $1.42_{-0.52}^{+0.83}$	4	0.90 ± 0.58	34.97 ± 0.13	85.76 ± 0.16	12.0	d	1.02	1.48
AT Pyx	No			$4760_{- 210}^{+ 160}$ $4760_{-210}^{+160}$	$1 . 63_{- 0.73}^{+ 0.73}$ $1.63_{-0.73}^{+0.73}$	5	1.31 ± 0.37			63.0		2.12	3.53
BP Tau	No			$3777_{- 190}^{+ 190}$ $3777_{-190}^{+190}$	$0 . 98_{- 0.10}^{+ 0.10}$ $0.98_{-0.10}^{+0.10}$	5	0.466 ± 0.058	38.20 ± 0.50	151.1 ± 1.0	9.0	e	2.23	2.20
CIDA 1	No			$3125_{- 160}^{+ 160}$ $3125_{-160}^{+160}$	$0 . 210_{- 0.094}^{+ 0.094}$ $0.210_{-0.094}^{+0.094}$	1	0.171 ± 0.085	38.20 ± 0.15	11.20 ± 0.18	21.0	f	2.14	1.07
CIDA 9 A	Yes	$203_{- 100}^{+ 190}$ $203_{-100}^{+190}$	$0 . 80_{- 0.26}^{+ 0.44}$ $0.80_{-0.26}^{+0.44}$	$3589_{- 180}^{+ 180}$ $3589_{-180}^{+180}$	$0 . 049_{- 0.022}^{+ 0.022}$ $0.049_{-0.022}^{+0.022}$	1	0.49 ± 0.20	46.0 ± 1.0	103.0 ± 1.0	29.0	b	5.08	3.59
CQ Tau	Yes	$309_{- 190}^{+ 840}$ $309_{-190}^{+840}$	$0 . 99_{- 0.31}^{+ 4.8}$ $0.99_{-0.31}^{+4.8}$	$6750_{- 120}^{+ 120}$ $6750_{-120}^{+120}$	$6 . 61_{- 0.66}^{+ 0.66}$ $6.61_{-0.66}^{+0.66}$	2	1.541 ± 0.062	35.240 ± 0.020	53.870 ± 0.020	50.0	a	4.04	3.70
CS Cha	Yes	$668_{- 400}^{+ 670}$ $668_{-400}^{+670}$	$3 . 60_{- 0.60}^{+ 6.7}$ $3.60_{-0.60}^{+6.7}$	$4900_{- 240}^{+ 240}$ $4900_{-240}^{+240}$	$2 . 04_{- 0.92}^{+ 0.92}$ $2.04_{-0.92}^{+0.92}$	1	1.48 ± 0.40	17.9 ± 1.0	82.6 ± 1.0	37.0	g	18.48	6.41
DM Tau	No			$3415_{- 170}^{+ 170}$ $3415_{-170}^{+170}$	$0 . 24_{- 0.11}^{+ 0.11}$ $0.24_{-0.11}^{+0.11}$	1	0.29 ± 0.17	35.970 ± 0.050	155.600 ± 0.080	18.0	a	1.10	1.49
DoAr 44	No			$4780_{- 240}^{+ 240}$ $4780_{-240}^{+240}$	$1 . 91_{- 0.19}^{+ 0.19}$ $1.91_{-0.19}^{+0.19}$	6	1.30 ± 0.49	20.0 ± 1.0	30.0 ± 1.0	40.0	b	2.18	1.29
EX Lup	No			$3850_{- 180}^{+ 180}$ $3850_{-180}^{+180}$	$0 . 74_{- 0.53}^{+ 0.53}$ $0.74_{-0.53}^{+0.53}$	7	0.53 ± 0.29	32.40 ± 0.90	64.6 ± 3.3	28.0	h	0.80	1.12
GG Tau	Yes	No solution	No solution	$4060_{- 200}^{+ 200}$ $4060_{-200}^{+200}$	$1 . 11_{- 0.16}^{+ 0.19}$ $1.11_{-0.16}^{+0.19}$	8	0.69 ± 0.34	36.0 ± 1.0	98.0 ± 1.0	224.0	b	12.68	6.44
GM Aur	No			$4202_{- 210}^{+ 210}$ $4202_{-210}^{+210}$	$0 . 90_{- 0.41}^{+ 0.41}$ $0.90_{-0.41}^{+0.41}$	1	0.84 ± 0.41	53.0 ± 1.0	56.0 ± 1.0	40.0	b	1.71	2.53
GW Ori	Yes	$1162_{- 710}^{+ 1300}$ $1162_{-710}^{+1300}$	$2 . 7_{- 1.4}^{+ 6.1}$ $2.7_{-1.4}^{+6.1}$	$5700_{- 150}^{+ 150}$ $5700_{-150}^{+150}$	$35 . 5_{- 3.5}^{+ 4.2}$ $35.5_{-3.5}^{+4.2}$	9	3.36 ± 0.30	40.0 ± 1.0	1.0 ± 1.0	29.0	this work	8.65	4.23
HD 100453	Yes	$94_{- 87}^{+ 660}$ $94_{-87}^{+660}$	$4 . 4_{- 4.3}^{+ 22}$ $4.4_{-4.3}^{+22}$	$7250_{- 120}^{+ 120}$ $7250_{-120}^{+120}$	$6 . 17_{- 0.62}^{+ 0.62}$ $6.17_{-0.62}^{+0.62}$	2	1.61 ± 0.11	30.0 ± 1.0	149.0 ± 1.0	30.0	b	3.76	1.08
HD 100546	No			$9250_{- 120}^{+ 120}$ $9250_{-120}^{+120}$	$21 . 9_{- 2.2}^{+ 2.2}$ $21.9_{-2.2}^{+2.2}$	2	2.10 ± 0.10	42.0 ± 1.0	139.0 ± 1.0	25.0	b	2.16	1.30
HD 135344 B	No			$6250_{- 120}^{+ 120}$ $6250_{-120}^{+120}$	$5 . 13_{- 0.51}^{+ 0.51}$ $5.13_{-0.51}^{+0.51}$	2	1.504 ± 0.073	20.730 ± 0.020	28.920 ± 0.090	52.0	a	1.68	0.91
HD 139614	No			$7500_{- 120}^{+ 120}$ $7500_{-120}^{+120}$	$6 . 76_{- 0.68}^{+ 0.68}$ $6.76_{-0.68}^{+0.68}$	2	1.65 ± 0.14			9.4		0.83	1.05
HD 142527	Yes	$158_{- 110}^{+ 1300}$ $158_{-110}^{+1300}$	$5 . 3_{- 2.7}^{+ 8.7}$ $5.3_{-2.7}^{+8.7}$	$6750_{- 120}^{+ 120}$ $6750_{-120}^{+120}$	$22 . 4_{- 2.2}^{+ 2.2}$ $22.4_{-2.2}^{+2.2}$	2	2.24 ± 0.16	27.0 ± 1.0	25.0 ± 1.0	185.0	b	4.60	1.18
HD 142666	No			$7250_{- 120}^{+ 120}$ $7250_{-120}^{+120}$	$13 . 5_{- 1.3}^{+ 1.3}$ $13.5_{-1.3}^{+1.3}$	2	1.87 ± 0.18	62.22 ± 0.14	162.11 ± 0.15	6.0	d	1.12	1.04
HD 143006	No			$5500_{- 120}^{+ 120}$ $5500_{-120}^{+120}$	$3 . 47_{- 0.35}^{+ 0.35}$ $3.47_{-0.35}^{+0.35}$	2	1.66 ± 0.21	18.690 ± 0.090	7.53 ± 0.35	41.0	a	1.32	1.13
HD 163296	No			$8750_{- 120}^{+ 120}$ $8750_{-120}^{+120}$	$15 . 5_{- 1.7}^{+ 1.5}$ $15.5_{-1.7}^{+1.5}$	2	1.91 ± 0.11	46.70 ± 0.10	133.33 ± 0.15	3.0	d	0.33	0.92
HD 169142	No			$7250_{- 120}^{+ 120}$ $7250_{-120}^{+120}$	$5 . 75_{- 0.58}^{+ 0.58}$ $5.75_{-0.58}^{+0.58}$	2	1.571 ± 0.093	12.0 ± 1.0	5.0 ± 1.0	24.0	b	0.88	0.78
HD 290764	No			$7750_{- 120}^{+ 120}$ $7750_{-120}^{+120}$	$21 . 9_{- 2.2}^{+ 2.2}$ $21.9_{-2.2}^{+2.2}$	2	2.17 ± 0.10	30.0 ± 1.0	115.4 ± 1.0	52.0	this work	2.03	1.25
HD 34282	No			$9500_{- 250}^{+ 250}$ $9500_{-250}^{+250}$	$14 . 5_{- 1.4}^{+ 1.4}$ $14.5_{-1.4}^{+1.4}$	10	2.03 ± 0.15	59.090 ± 0.010	117.150 ± 0.010	80.0	a	0.72	1.41
HD 34700	No			$6000_{- 120}^{+ 120}$ $6000_{-120}^{+120}$	$22 . 9_{- 2.3}^{+ 2.3}$ $22.9_{-2.3}^{+2.3}$	2	2.70 ± 0.40	37.9 ± 2.0	87.1 ± 1.2	65.0	i	1.43	1.05
HD 97048	No			$11000_{- 120}^{+ 120}$ $11000_{-120}^{+120}$	$64 . 6_{- 6.5}^{+ 6.5}$ $64.6_{-6.5}^{+6.5}$	2	2.846 ± 0.096	41.0 ± 1.0	4.0 ± 1.0	63.0	b	1.32	1.43
HP Cha	Yes	$150_{- 110}^{+ 330}$ $150_{-110}^{+330}$	$2 . 6_{- 1.4}^{+ 3.3}$ $2.6_{-1.4}^{+3.3}$	$4060_{- 200}^{+ 200}$ $4060_{-200}^{+200}$	$3 . 29_{- 0.33}^{+ 0.33}$ $3.29_{-0.33}^{+0.33}$	11	0.57 ± 0.35	37.0 ± 1.0	162.0 ± 1.0	50.0	b	3.66	3.25
…	…	…	…	…	…	…	…	…	…	…	…	…	…

Notes. 98 YSO sources with inner dust cavities (‘transition discs’) considered in this work. Stellar masses were derived in this work (Sect. 2). The full version of the table is available in electronic form at the CDS (Sect. 6). The online version of the table also includes Gaia DR3 and DR2 source IDs, Gaia DR3 coordinates, |Δμ|, σ_|Δμ|, and the remaining Gaia DR3 astrometric parameters. References for effective temperatures and luminosities: 1-Manara et al. (2023), 2-Guzmán-Díaz et al. 2021, 3-Eisner et al. (2005), 4-Andrews et al. (2018), 5-Herczeg & Hillenbrand (2014), 6-Manara et al. (2014), 7-Alcalá et al. (2017), 8-White et al. (1999), 9-Valegård et al. (2021), 10-Wichittanakom et al. (2020), 11-Manara et al. (2017). References for disc geometries: a-Curone et al. (2025), b-Francis & van der Marel (2020), c-Kurtovic et al. (2018), d-Huang et al. (2018b), e-Gasman et al. (2025), f-Kurtovic et al. (2021), g-Kurtovic et al. (2022), h-Hales et al. (2018), i-Columba et al. (2024).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.