Characterization of very wide companion candidates to young stars with planets and disks

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Table 1.

Physical parameters of the central stars.

Name	Distance ^(a)	Association	SpT	T_eff	A_v	Wide companion	Separation	Separation
	(pc)			(K)	(mag)		(″)	(au)
V4046Sgr	72.4	β-Pictoris MG	K5/K7	4370/4100	0 ^(b)	2MASS J1815-3249	901	65232
HIP 74865	123.53	Sco-Cen (UCL)	F3V	6720	0	2MASS J1517-3028	90	11118
HIP 65426	109.21	Sco-Cen (LCC)	A2V	8840	0	2MASS J1324-5129	142	15508
HIP 73145	133.65	Sco-Cen (UCL)	A2IV	8840	0	2MASS J1457-3543	280	37422
GQ Lup	151.82	Sco-Cen (Lupus I)	K7V	4070	0.7 ^(c)	2MASS J1549-3539	16	2429

Notes.

^(a)

Distances are calculated based on the parallaxes of the objects reported in Gaia DR2 catalog.

^(b)

(Stempels & Gahm 2004)

^(c)

(Alcalá et al. 2017).

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