Table 3: The statistics of the optical counterparts in the BHRC catalogue by classification. For the definition of the subgroups of multiple counterparts, see text.

Classification	Single	Multiple	Multiple	Total	%
		U	A
Bright galaxy	27	0	6	33	1.0
Galaxy	130	74	54	258	8.1
QSO	858	172	138	1168	36.5
BLL	11	0	5	16	0.5
AGN	334	25	83	442	13.8
Blue galaxy	103	18	54	175	5.5
HII region	2	0	0	2	0.1
Planet. Neb.	1	0	0	1	0.0
White dwarf	26	2	4	32	1.0
CV	12	0	0	12	0.4
Bright star	11	0	8	19	0.6
Stars B-A	52	2	20	74	2.3
Stars F-G	429	41	100	570	17.8
Star K	201	30	92	323	10.1
Star M	46	0	23	69	2.2
Star C	1	0	1	2	0.1
Star:	4	0	2	6	0.2
All objects	2248	364	590	3202	100.0