Search for associations containing young stars (SACY) - V. Is multiplicity universal? Tight multiple systems

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Table 2

Targets classified as multiple systems.

ID	Mass	SpT	Ass.	Age	Flag
	(M_⊙)			(Myr)

GSC 09420-00948	0.6	M0	ECH	6	SB1^a
HD 104467	1.9	G3	ECH	6	SB1^a
V1005 Ori	0.7	M0	BPC	10	SB1^b
HD 59169	1.05	G7	ABD	70	SB1^a
PX Vir	0.9	K1	ABD	70	SB1^b
CD-2711535	1.0	K5	BPC	10	SB1^a^,^b
AK Pic	1.2	G2	ABD	70	SB1^b
GSC 08077-01788	0.6	M0	COL	30	SB1^a^,^b
1RXS J195602.8-320720	0.3	M4	BPC	10	SB2^a
V4046-Sgr	1.1	K6	BPC	10	SB2
HD 155177	1.5	F5	OCT	20	SB2^a
BD-20951	1.0	K1	CAR	30	SB2
HD 309751	1.05	G5	CAR	30	SB2
TWA 20^*	0.4	M3	TWA	8	SB2
CD-423328	1.0	K1	CAR	30	SB2^b^,^c
HD 217379	0.6	K7	ABD	70	SB3
HD 33999	1.3	F8	ABD	70	SB3

Notes.

^(*)

No longer classified as a member of TWA with new RV data.

^(a)

System has not been previously identified in related SACY work or literature.

^(b)

Targets classified based on variation from literature RV values.

^(c)

Details of the technique to classify this target are described in Sect. B.4.

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