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Table A.1

Membership of target stars in nearby young associations.

Target name Group Pmemb Refs. SigMA cluster
HD 31305 TAU 81.1 1,2,9,10 . . .
HD 112532 LCC 99.4 5 σ Cen
HD 131960 UCL 90.0 8 Libra-South
HD 141960 US 63.1 3,6,7 ρ Sco
HD 144277 UCL 99.9 3,6 η Lup
HD 145101 US 99.9 6,7 δ Sco
HD 152989 UCL 93.6 8 η Lup
HD 155853 UCL 71.5 . . . Scorpio-Body
HD 176497 UCRA 100.0 3,4 CrA-North

Notes. Column 2 and 3 summarize the outcomes of BANYAN Σ, showing the most probable young association to which the star may belong (Col. 2) and the obtained membership probability (Col. 3). Column 4 lists references for previous studies dealing with the star’s membership in the respective group. Using a novel clustering method (SigMA) and harnessing the unique potential of Gaia DR3, Ratzenböck et al. (2023b) proposed a new division of young stars in the Sco-Cen region. Column 5 shows the names of the subgroups to which the stars belong in this new classification. References used in this table: (1): Cody et al. (2013); (2): Gagné et al. (2018); (3): Gagné & Faherty (2018); (4): Galli et al. (2020); (5): Goldman et al. (2018); (6): Hoogerwerf (2000); (7): Luhman et al. (2018); (8): Luhman (2022); (9): Luhman (2023); (10): Mooley et al. (2013).

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