Reaching the boundary between stellar kinematic groups and very wide binaries - II. α Librae + KU Librae: a common proper motion system in Castor separated by 1.0 pc

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Table 1:

Very wide binaries and candidates in the literature with projected physical separations s > 50 kAU.
Primary	Secondary	s	Reference
		[kAU]
LP 268-35^a	LP 268-33	84 $\pm$ 15	LB07, Ca09
HD 136654^b	BD+32 2572	68.8 $\pm$ 1.7	LB07, Ca09
HD 149414 AB^c	BD-05 3968B	$\sim$ 55.7	ZOM04
Ross 570^c	WT 1370	$\sim$ 55.4	Al00
V869 Mon AB	BD-02 2198	$\sim$ 55.3	Po09
Fomalhaut^d	TW PsA	$\sim$ 54.4	Gl69
BD-12 6174	LP 759-25	$\sim$ 50.5	Ma08

References. Gl69: Gliese (1969); Al00: Allen et al. (2000); ZOM04: Zapatero Osorio & Martín (2004); LB07: Lépine & Bongiorno (2007); Ma08: Makarov et al. (2008); Po09: Poveda et al. (2009); Ca09: Caballero (2009).

Notes. ^(a) Binary candidate of unknown true status; ^(b) young binary in the Hyades Supercluster; ^(c) halo ``metal-poor'' binaries with large distance uncertainties; ^(d) young binary in the Castor moving group.

Source LaTeX | All tables | In the text

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