Table 3: Field O stars possibly associated with young clusters. See Tables 1 and 2 for the meaning of the abbreviations used in Cols. 2 and 3. The projected distance is with respect to the distance of the field O star.

Name	VM	SM	Proj. dist.	Cluster	Age	Ref.
			(pc)		(Myr)
HD 117856	VB	SB2:	57	St 16	4	1
HD 125206	single	SB2:	45	NGC 5606	7	2
HD 154368	VB	SBE	42	Bo 13	6.3	3
HD 154643	single	SB1:	44	Bo 13	6.3	3
HD 158186	single	SBE	30	NGC 6383	1.7	4
HD 161853	single	SB1:	55	Col 347	6.3	3
HD 169515	single	SB2OE	65	NGC 6604	4	3

1: Turner 1985; 2: Vazquez et al. (1994); 3: Battinelli et al. (1994); 4: Fitzgerald et al. (1978).