Table 2. Open in new tab Properties of...

Table 2.

Properties of periodic quasars analysed for relativistic Doppler boost.

#	Name	A_opt	α_opt	A_nUV/A_opt	α_nUV	A_fUV/A_opt	α_fUV	\|$\frac{A_{\rm Dop}\|_{\text{max}}}{2 A_{\rm opt}}$\|
1	SDSS J110554.78+322953.7	0.11 ± 0.009	−1.56 ± 0.09	5.91 ± 0.71	−23.94 ± 3.24	7.80 ± 1.82	−32.56 ± 8.29	1.62
2	SDSS J131706.19+271416.7	0.12 ± 0.011	−0.27 ± 0.12	7.61 ± 4.96	−21.92 ± 16.25	–	–	5.45
3	SDSS J072908.71+400836.6	0.06 ± 0.005	−3.67 ± 0.01	3.70 ± 2.48	−21.72 ± 16.52	–	–	0.65
4	3C 298.0	0.08 ± 0.005	−1.15 ± 0.01	5.18 ± 0.72	−18.49 ± 2.98	3.97 ± 2.04	−13.47 ± 8.48	6.44
5	SDSS J114438.34+262609.4	0.16 ± 0.013	−1.16 ± 0.01	4.12 ± 1.05	−14.14 ± 4.38	−0.29 ± 5.10	4.19 ± 21.20	3.18
6	SDSS J081133.43+065558.1	0.18 ± 0.014	−1.37 ± 0.01	3.26 ± 0.28	−11.26 ± 1.22	–	–	2.81
7	SDSS J153636.22+044127.0	0.09 ± 0.008	−1.01 ± 0.01	3.31 ± 0.75	−10.30 ± 3.02	–	–	3.20
8	BZQ J0842+4525	0.10 ± 0.005	−1.46 ± 0.01	2.46 ± 0.89	−7.98 ± 3.96	1.82 ± 2.30	−5.12 ± 10.27	5.34
9	SDSS J140704.43+273556.6	0.11 ± 0.007	−0.58 ± 0.01	2.92 ± 0.70	−7.46 ± 2.51	–	–	6.59
10	SDSS J130040.62+172758.4	0.30 ± 0.022	−0.65 ± 0.01	2.63 ± 0.68	−6.61 ± 2.50	–	–	0.86
11	SDSS J131909.08+090814.7	0.13 ± 0.011	−0.90 ± 0.01	2.41 ± 1.09	−6.41 ± 4.23	–	–	2.10
12	SDSS J125414.23+131348.1	0.16 ± 0.012	−0.08 ± 0.06	3.04 ± 0.40	−6.37 ± 1.24	–	–	1.42
13	SDSS J142301.96+101500.1	0.14 ± 0.010	−1.29 ± 0.05	2.18 ± 0.73	−6.35 ± 3.15	–	–	4.08
14	QNZ 3:54	0.19 ± 0.013	−0.74 ± 0.18	2.48 ± 0.15	−6.26 ± 0.57	1.49 ± 0.41	−2.57 ± 1.52	2.25
15	SDSS J104941.01+085548.4	0.16 ± 0.009	−0.64 ± 0.01	2.42 ± 0.39	−5.81 ± 1.43	–	–	2.86
16	SDSS J082121.88+250817.5	0.09 ± 0.007	0.17 ± 0.01	2.98 ± 1.26	−5.45 ± 3.56	2.87 ± 2.56	−5.14 ± 7.24	4.21
17	SDSS J081617.73+293639.6	0.14 ± 0.012	−0.85 ± 0.01	2.15 ± 0.54	−5.29 ± 2.10	–	–	4.51
18	SDSS J133654.44+171040.3	0.13 ± 0.010	−1.14 ± 0.01	1.94 ± 0.41	−5.04 ± 1.71	–	–	3.50
19	SDSS J102255.21+172155.7	0.13 ± 0.014	−0.99 ± 0.12	1.96 ± 0.37	−4.81 ± 1.49	–	–	1.79
20	SDSS J083349.55+232809.0	0.09 ± 0.008	−1.21 ± 0.01	1.71 ± 0.47	−4.21 ± 1.96	2.79 ± 1.16	−8.74 ± 4.88	6.11
21	SDSS J104430.25+051857.2	0.09 ± 0.007	−1.05 ± 0.01	1.72 ± 0.94	−3.96 ± 3.81	0.34 ± 2.56	1.64 ± 10.35	5.06
22^a	SDSS J170942.58+342316.2	0.18 ± 0.014	−1.56 ± 0.01	1.48 ± 1.13	−3.77 ± 5.17	–	–	4.93
23	HS 0926+3608	0.08 ± 0.006	−0.39 ± 0.08	1.98 ± 1.20	−3.73 ± 4.07	–	–	9.11
24	RXS J10304+5516	0.08 ± 0.008	−0.48 ± 0.01	1.92 ± 0.66	−3.67 ± 2.28	3.26 ± 0.80	−8.34 ± 2.78	2.33
25	SDSS J121018.34+015405.9	0.12 ± 0.009	−0.22 ± 0.01	1.91 ± 0.24	−3.14 ± 0.76	1.21 ± 0.24	−0.88 ± 0.79	1.45
26	SDSS J092911.35+203708.5	0.21 ± 0.014	−0.22 ± 0.01	1.87 ± 1.81	−3.03 ± 5.84	−0.65 ± 2.95	5.11 ± 9.51	2.76
27	SDSS J224829.47+144418.0	0.32 ± 0.019	0.39 ± 0.01	2.25 ± 0.26	−2.88 ± 0.68	–	–	0.61
28	SDSS J104758.34+284555.8^b	0.30 ± 0.018	−0.32 ± 0.01	1.73 ± 0.73	−2.76 ± 2.43	–	–	0.65
29	SDSS J144754.62+132610.0^b	0.17 ± 0.015	0.25 ± 0.01	1.99 ± 0.32	−2.47 ± 0.87	–	–	0.85
30	SDSS J161013.67+311756.4	0.09 ± 0.006	−0.99 ± 0.01	1.36 ± 0.96	−2.45 ± 3.82	6.99 ± 2.74	−24.93 ± 10.94	1.38
31	SDSS J094450.76+151236.9	0.11 ± 0.008	−0.18 ± 0.08	1.62 ± 0.57	−2.16 ± 1.83	–	–	4.24
32	SDSS J121457.39+132024.3	0.20 ± 0.012	−0.50 ± 0.01	1.47 ± 0.15	−2.14 ± 0.53	–	–	2.09
33	SDSS J082926.01+180020.7^b	0.22 ± 0.015	−0.20 ± 0.01	1.57 ± 0.57	−2.02 ± 1.89	–	–	0.84
34	SDSS J154409.61+024040.0	0.27 ± 0.018	−1.25 ± 0.01	1.12 ± 0.25	−1.77 ± 1.06	–	–	1.13
35	SDSS J140600.26+013252.2^b	0.16 ± 0.014	0.07 ± 0.01	1.56 ± 0.19	−1.58 ± 0.54	1.07 ± 0.30	−0.12 ± 0.89	0.81
36	SDSS J170616.24+370927.0	0.13 ± 0.012	−1.15 ± 0.01	1.08 ± 0.22	−1.47 ± 0.91	–	–	2.99
37	SDSS J121018.66+185726.0	0.08 ± 0.008	−0.95 ± 0.01	0.97 ± 1.15	−0.82 ± 4.56	−2.47 ± 2.85	12.77 ± 11.25	6.52
38	HS 1630+2355	0.08 ± 0.004	−0.78 ± 0.01	0.95 ± 0.44	−0.60 ± 1.68	–	–	6.34
39	SDSS J160730.33+144904.3	0.12 ± 0.010	0.06 ± 0.01	1.20 ± 1.02	−0.52 ± 3.00	−0.01 ± 3.48	3.04 ± 10.21	4.24
40	SDSS J221016.97+122213.9	0.22 ± 0.017	0.33 ± 0.01	1.25 ± 0.25	−0.34 ± 0.68	7.85 ± 1.93	−17.95 ± 5.15	1.05
41	SDSS J150450.16+012215.5	0.14 ± 0.009	−1.78 ± 0.01	0.67 ± 0.19	−0.22 ± 0.93	0.57 ± 0.41	0.28 ± 1.98	3.58
42^a	SDSS J171617.49+341553.3	0.14 ± 0.012	−0.38 ± 0.02	0.95 ± 0.99	−0.20 ± 3.34	–	–	6.07
43	US 3204	0.20 ± 0.013	−0.80 ± 0.01	0.84 ± 0.29	−0.18 ± 1.11	1.60 ± 0.66	−3.10 ± 2.50	1.61
44	SDSS J133631.45+175613.8	0.14 ± 0.011	−0.14 ± 0.02	0.94 ± 1.69	0.06 ± 5.29	–	–	1.66
45	SDSS J135225.80+132853.2	0.11 ± 0.007	−0.13 ± 0.02	0.93 ± 1.20	0.09 ± 3.77	–	–	1.61
46	UM 234	0.17 ± 0.011	−0.34 ± 0.01	0.83 ± 0.19	0.23 ± 0.63	2.08 ± 0.30	−3.96 ± 1.01	1.70
47^a	SDSS J231733.66+001128.3	0.23 ± 0.006	−0.38 ± 0.01	0.79 ± 0.15	0.32 ± 0.54	1.82 ± 0.97	−3.17 ± 3.32	1.64
48	SDSS J124157.90+130104.1	0.21 ± 0.015	−1.38 ± 0.02	0.61 ± 0.28	0.35 ± 1.23	–	–	1.77
49	SDSS J082716.85+490534.0^b	0.24 ± 0.019	0.05 ± 0.01	0.69 ± 0.21	0.96 ± 0.62	1.31 ± 0.94	−0.87 ± 2.77	0.94
50^a	SDSS J005158.83-002054.1	0.21 ± 0.009	0.08 ± 0.01	0.65 ± 0.43	1.09 ± 1.26	–	–	1.53
51^a	SDSS J212939.60+004845.5	0.21 ± 0.014	0.04 ± 0.01	0.63 ± 0.16	1.13 ± 0.46	0.46 ± 3.26	1.64 ± 9.67	2.93
52	SDSS J103111.52+491926.5	0.08 ± 0.008	−1.21 ± 0.01	0.36 ± 0.59	1.51 ± 2.48	–	–	4.83
53	SDSS J143820.60+055447.9	0.23 ± 0.016	−0.01 ± 0.01	0.35 ± 0.30	1.95 ± 0.91	0.36 ± 0.51	1.91 ± 1.53	0.50
54^a	PDS 898	0.27 ± 0.011	0.42 ± 0.01	0.38 ± 0.12	2.01 ± 0.30	–	–	1.01
55	PGC 3096192	0.08 ± 0.009	−0.39 ± 0.01	0.09 ± 0.39	2.70 ± 1.32	5.86 ± 2.83	−16.88 ± 9.58	0.75
56	SDSS J084146.19+503601.1	0.19 ± 0.013	0.61 ± 0.01	0.09 ± 0.24	2.79 ± 0.58	–	–	0.28
57	SDSS J164452.71+430752.2	0.13 ± 0.011	−1.20 ± 0.07	−0.02 ± 0.70	3.07 ± 2.92	–	–	7.34
58^a	UM 269	0.34 ± 0.006	−0.52 ± 0.01	−0.02 ± 0.29	3.09 ± 1.02	−0.23 ± 0.39	3.80 ± 1.36	0.69
59	SDSS J152157.02+181018.6	0.12 ± 0.011	−0.64 ± 0.01	−0.33 ± 0.66	4.21 ± 2.40	–	–	0.98
60	HS 0946+4845	0.12 ± 0.007	0.01 ± 0.01	−0.54 ± 0.32	4.63 ± 0.95	–	–	1.39
61^a	SDSS J235958.72+003345.3	0.22 ± 0.012	−1.43 ± 0.01	−0.38 ± 0.29	4.66 ± 1.28	–	–	2.87
62^a	SDSS J024442.77-004223.2	0.29 ± 0.018	−0.81 ± 0.04	−0.45 ± 0.14	4.72 ± 0.52	4.31 ± 2.51	−13.42 ± 9.55	0.87
63^a	SDSS J141004.41+334945.5	0.21 ± 0.006	0.26 ± 0.01	−0.71 ± 0.24	4.94 ± 0.67	–	–	1.40
64^a	SDSS J235928.99+170426.9	0.35 ± 0.019	0.51 ± 0.01	−1.07 ± 0.40	5.66 ± 0.99	0.93 ± 1.26	0.69 ± 3.13	0.99
65	SDSS J133516.17+183341.4	0.12 ± 0.011	−0.86 ± 0.01	−0.84 ± 0.93	6.22 ± 3.58	–	–	4.83
66^a	SDSS J214036.77+005210.1	0.17 ± 0.012	−0.34 ± 0.24	−0.97 ± 0.64	6.25 ± 2.13	–	–	2.62
67	SDSS J123147.27+101705.3	0.24 ± 0.016	−0.31 ± 0.01	−2.18 ± 1.21	10.23 ± 4.00	–	–	1.38
68^a	SDSS J171122.67+342658.9	0.33 ± 0.020	0.06 ± 0.01	−3.08 ± 1.15	12.03 ± 3.38	–	–	1.44

#	Name	A_opt	α_opt	A_nUV/A_opt	α_nUV	A_fUV/A_opt	α_fUV	\|$\frac{A_{\rm Dop}\|_{\text{max}}}{2 A_{\rm opt}}$\|
1	SDSS J110554.78+322953.7	0.11 ± 0.009	−1.56 ± 0.09	5.91 ± 0.71	−23.94 ± 3.24	7.80 ± 1.82	−32.56 ± 8.29	1.62
2	SDSS J131706.19+271416.7	0.12 ± 0.011	−0.27 ± 0.12	7.61 ± 4.96	−21.92 ± 16.25	–	–	5.45
3	SDSS J072908.71+400836.6	0.06 ± 0.005	−3.67 ± 0.01	3.70 ± 2.48	−21.72 ± 16.52	–	–	0.65
4	3C 298.0	0.08 ± 0.005	−1.15 ± 0.01	5.18 ± 0.72	−18.49 ± 2.98	3.97 ± 2.04	−13.47 ± 8.48	6.44
5	SDSS J114438.34+262609.4	0.16 ± 0.013	−1.16 ± 0.01	4.12 ± 1.05	−14.14 ± 4.38	−0.29 ± 5.10	4.19 ± 21.20	3.18
6	SDSS J081133.43+065558.1	0.18 ± 0.014	−1.37 ± 0.01	3.26 ± 0.28	−11.26 ± 1.22	–	–	2.81
7	SDSS J153636.22+044127.0	0.09 ± 0.008	−1.01 ± 0.01	3.31 ± 0.75	−10.30 ± 3.02	–	–	3.20
8	BZQ J0842+4525	0.10 ± 0.005	−1.46 ± 0.01	2.46 ± 0.89	−7.98 ± 3.96	1.82 ± 2.30	−5.12 ± 10.27	5.34
9	SDSS J140704.43+273556.6	0.11 ± 0.007	−0.58 ± 0.01	2.92 ± 0.70	−7.46 ± 2.51	–	–	6.59
10	SDSS J130040.62+172758.4	0.30 ± 0.022	−0.65 ± 0.01	2.63 ± 0.68	−6.61 ± 2.50	–	–	0.86
11	SDSS J131909.08+090814.7	0.13 ± 0.011	−0.90 ± 0.01	2.41 ± 1.09	−6.41 ± 4.23	–	–	2.10
12	SDSS J125414.23+131348.1	0.16 ± 0.012	−0.08 ± 0.06	3.04 ± 0.40	−6.37 ± 1.24	–	–	1.42
13	SDSS J142301.96+101500.1	0.14 ± 0.010	−1.29 ± 0.05	2.18 ± 0.73	−6.35 ± 3.15	–	–	4.08
14	QNZ 3:54	0.19 ± 0.013	−0.74 ± 0.18	2.48 ± 0.15	−6.26 ± 0.57	1.49 ± 0.41	−2.57 ± 1.52	2.25
15	SDSS J104941.01+085548.4	0.16 ± 0.009	−0.64 ± 0.01	2.42 ± 0.39	−5.81 ± 1.43	–	–	2.86
16	SDSS J082121.88+250817.5	0.09 ± 0.007	0.17 ± 0.01	2.98 ± 1.26	−5.45 ± 3.56	2.87 ± 2.56	−5.14 ± 7.24	4.21
17	SDSS J081617.73+293639.6	0.14 ± 0.012	−0.85 ± 0.01	2.15 ± 0.54	−5.29 ± 2.10	–	–	4.51
18	SDSS J133654.44+171040.3	0.13 ± 0.010	−1.14 ± 0.01	1.94 ± 0.41	−5.04 ± 1.71	–	–	3.50
19	SDSS J102255.21+172155.7	0.13 ± 0.014	−0.99 ± 0.12	1.96 ± 0.37	−4.81 ± 1.49	–	–	1.79
20	SDSS J083349.55+232809.0	0.09 ± 0.008	−1.21 ± 0.01	1.71 ± 0.47	−4.21 ± 1.96	2.79 ± 1.16	−8.74 ± 4.88	6.11
21	SDSS J104430.25+051857.2	0.09 ± 0.007	−1.05 ± 0.01	1.72 ± 0.94	−3.96 ± 3.81	0.34 ± 2.56	1.64 ± 10.35	5.06
22^a	SDSS J170942.58+342316.2	0.18 ± 0.014	−1.56 ± 0.01	1.48 ± 1.13	−3.77 ± 5.17	–	–	4.93
23	HS 0926+3608	0.08 ± 0.006	−0.39 ± 0.08	1.98 ± 1.20	−3.73 ± 4.07	–	–	9.11
24	RXS J10304+5516	0.08 ± 0.008	−0.48 ± 0.01	1.92 ± 0.66	−3.67 ± 2.28	3.26 ± 0.80	−8.34 ± 2.78	2.33
25	SDSS J121018.34+015405.9	0.12 ± 0.009	−0.22 ± 0.01	1.91 ± 0.24	−3.14 ± 0.76	1.21 ± 0.24	−0.88 ± 0.79	1.45
26	SDSS J092911.35+203708.5	0.21 ± 0.014	−0.22 ± 0.01	1.87 ± 1.81	−3.03 ± 5.84	−0.65 ± 2.95	5.11 ± 9.51	2.76
27	SDSS J224829.47+144418.0	0.32 ± 0.019	0.39 ± 0.01	2.25 ± 0.26	−2.88 ± 0.68	–	–	0.61
28	SDSS J104758.34+284555.8^b	0.30 ± 0.018	−0.32 ± 0.01	1.73 ± 0.73	−2.76 ± 2.43	–	–	0.65
29	SDSS J144754.62+132610.0^b	0.17 ± 0.015	0.25 ± 0.01	1.99 ± 0.32	−2.47 ± 0.87	–	–	0.85
30	SDSS J161013.67+311756.4	0.09 ± 0.006	−0.99 ± 0.01	1.36 ± 0.96	−2.45 ± 3.82	6.99 ± 2.74	−24.93 ± 10.94	1.38
31	SDSS J094450.76+151236.9	0.11 ± 0.008	−0.18 ± 0.08	1.62 ± 0.57	−2.16 ± 1.83	–	–	4.24
32	SDSS J121457.39+132024.3	0.20 ± 0.012	−0.50 ± 0.01	1.47 ± 0.15	−2.14 ± 0.53	–	–	2.09
33	SDSS J082926.01+180020.7^b	0.22 ± 0.015	−0.20 ± 0.01	1.57 ± 0.57	−2.02 ± 1.89	–	–	0.84
34	SDSS J154409.61+024040.0	0.27 ± 0.018	−1.25 ± 0.01	1.12 ± 0.25	−1.77 ± 1.06	–	–	1.13
35	SDSS J140600.26+013252.2^b	0.16 ± 0.014	0.07 ± 0.01	1.56 ± 0.19	−1.58 ± 0.54	1.07 ± 0.30	−0.12 ± 0.89	0.81
36	SDSS J170616.24+370927.0	0.13 ± 0.012	−1.15 ± 0.01	1.08 ± 0.22	−1.47 ± 0.91	–	–	2.99
37	SDSS J121018.66+185726.0	0.08 ± 0.008	−0.95 ± 0.01	0.97 ± 1.15	−0.82 ± 4.56	−2.47 ± 2.85	12.77 ± 11.25	6.52
38	HS 1630+2355	0.08 ± 0.004	−0.78 ± 0.01	0.95 ± 0.44	−0.60 ± 1.68	–	–	6.34
39	SDSS J160730.33+144904.3	0.12 ± 0.010	0.06 ± 0.01	1.20 ± 1.02	−0.52 ± 3.00	−0.01 ± 3.48	3.04 ± 10.21	4.24
40	SDSS J221016.97+122213.9	0.22 ± 0.017	0.33 ± 0.01	1.25 ± 0.25	−0.34 ± 0.68	7.85 ± 1.93	−17.95 ± 5.15	1.05
41	SDSS J150450.16+012215.5	0.14 ± 0.009	−1.78 ± 0.01	0.67 ± 0.19	−0.22 ± 0.93	0.57 ± 0.41	0.28 ± 1.98	3.58
42^a	SDSS J171617.49+341553.3	0.14 ± 0.012	−0.38 ± 0.02	0.95 ± 0.99	−0.20 ± 3.34	–	–	6.07
43	US 3204	0.20 ± 0.013	−0.80 ± 0.01	0.84 ± 0.29	−0.18 ± 1.11	1.60 ± 0.66	−3.10 ± 2.50	1.61
44	SDSS J133631.45+175613.8	0.14 ± 0.011	−0.14 ± 0.02	0.94 ± 1.69	0.06 ± 5.29	–	–	1.66
45	SDSS J135225.80+132853.2	0.11 ± 0.007	−0.13 ± 0.02	0.93 ± 1.20	0.09 ± 3.77	–	–	1.61
46	UM 234	0.17 ± 0.011	−0.34 ± 0.01	0.83 ± 0.19	0.23 ± 0.63	2.08 ± 0.30	−3.96 ± 1.01	1.70
47^a	SDSS J231733.66+001128.3	0.23 ± 0.006	−0.38 ± 0.01	0.79 ± 0.15	0.32 ± 0.54	1.82 ± 0.97	−3.17 ± 3.32	1.64
48	SDSS J124157.90+130104.1	0.21 ± 0.015	−1.38 ± 0.02	0.61 ± 0.28	0.35 ± 1.23	–	–	1.77
49	SDSS J082716.85+490534.0^b	0.24 ± 0.019	0.05 ± 0.01	0.69 ± 0.21	0.96 ± 0.62	1.31 ± 0.94	−0.87 ± 2.77	0.94
50^a	SDSS J005158.83-002054.1	0.21 ± 0.009	0.08 ± 0.01	0.65 ± 0.43	1.09 ± 1.26	–	–	1.53
51^a	SDSS J212939.60+004845.5	0.21 ± 0.014	0.04 ± 0.01	0.63 ± 0.16	1.13 ± 0.46	0.46 ± 3.26	1.64 ± 9.67	2.93
52	SDSS J103111.52+491926.5	0.08 ± 0.008	−1.21 ± 0.01	0.36 ± 0.59	1.51 ± 2.48	–	–	4.83
53	SDSS J143820.60+055447.9	0.23 ± 0.016	−0.01 ± 0.01	0.35 ± 0.30	1.95 ± 0.91	0.36 ± 0.51	1.91 ± 1.53	0.50
54^a	PDS 898	0.27 ± 0.011	0.42 ± 0.01	0.38 ± 0.12	2.01 ± 0.30	–	–	1.01
55	PGC 3096192	0.08 ± 0.009	−0.39 ± 0.01	0.09 ± 0.39	2.70 ± 1.32	5.86 ± 2.83	−16.88 ± 9.58	0.75
56	SDSS J084146.19+503601.1	0.19 ± 0.013	0.61 ± 0.01	0.09 ± 0.24	2.79 ± 0.58	–	–	0.28
57	SDSS J164452.71+430752.2	0.13 ± 0.011	−1.20 ± 0.07	−0.02 ± 0.70	3.07 ± 2.92	–	–	7.34
58^a	UM 269	0.34 ± 0.006	−0.52 ± 0.01	−0.02 ± 0.29	3.09 ± 1.02	−0.23 ± 0.39	3.80 ± 1.36	0.69
59	SDSS J152157.02+181018.6	0.12 ± 0.011	−0.64 ± 0.01	−0.33 ± 0.66	4.21 ± 2.40	–	–	0.98
60	HS 0946+4845	0.12 ± 0.007	0.01 ± 0.01	−0.54 ± 0.32	4.63 ± 0.95	–	–	1.39
61^a	SDSS J235958.72+003345.3	0.22 ± 0.012	−1.43 ± 0.01	−0.38 ± 0.29	4.66 ± 1.28	–	–	2.87
62^a	SDSS J024442.77-004223.2	0.29 ± 0.018	−0.81 ± 0.04	−0.45 ± 0.14	4.72 ± 0.52	4.31 ± 2.51	−13.42 ± 9.55	0.87
63^a	SDSS J141004.41+334945.5	0.21 ± 0.006	0.26 ± 0.01	−0.71 ± 0.24	4.94 ± 0.67	–	–	1.40
64^a	SDSS J235928.99+170426.9	0.35 ± 0.019	0.51 ± 0.01	−1.07 ± 0.40	5.66 ± 0.99	0.93 ± 1.26	0.69 ± 3.13	0.99
65	SDSS J133516.17+183341.4	0.12 ± 0.011	−0.86 ± 0.01	−0.84 ± 0.93	6.22 ± 3.58	–	–	4.83
66^a	SDSS J214036.77+005210.1	0.17 ± 0.012	−0.34 ± 0.24	−0.97 ± 0.64	6.25 ± 2.13	–	–	2.62
67	SDSS J123147.27+101705.3	0.24 ± 0.016	−0.31 ± 0.01	−2.18 ± 1.21	10.23 ± 4.00	–	–	1.38
68^a	SDSS J171122.67+342658.9	0.33 ± 0.020	0.06 ± 0.01	−3.08 ± 1.15	12.03 ± 3.38	–	–	1.44

We emphasize with bold the sources that are consistent with relativistic Doppler boost.

Notes:^aSMBHB candidates identified in PTF (C16).

^bSources that were consistent with the multiwavelength prediction of Doppler boost, but not with the maximum amplitude requirement.

Table 2.

Open in new tab

Properties of periodic quasars analysed for relativistic Doppler boost.

#	Name	A_opt	α_opt	A_nUV/A_opt	α_nUV	A_fUV/A_opt	α_fUV	\|$\frac{A_{\rm Dop}\|_{\text{max}}}{2 A_{\rm opt}}$\|
1	SDSS J110554.78+322953.7	0.11 ± 0.009	−1.56 ± 0.09	5.91 ± 0.71	−23.94 ± 3.24	7.80 ± 1.82	−32.56 ± 8.29	1.62
2	SDSS J131706.19+271416.7	0.12 ± 0.011	−0.27 ± 0.12	7.61 ± 4.96	−21.92 ± 16.25	–	–	5.45
3	SDSS J072908.71+400836.6	0.06 ± 0.005	−3.67 ± 0.01	3.70 ± 2.48	−21.72 ± 16.52	–	–	0.65
4	3C 298.0	0.08 ± 0.005	−1.15 ± 0.01	5.18 ± 0.72	−18.49 ± 2.98	3.97 ± 2.04	−13.47 ± 8.48	6.44
5	SDSS J114438.34+262609.4	0.16 ± 0.013	−1.16 ± 0.01	4.12 ± 1.05	−14.14 ± 4.38	−0.29 ± 5.10	4.19 ± 21.20	3.18
6	SDSS J081133.43+065558.1	0.18 ± 0.014	−1.37 ± 0.01	3.26 ± 0.28	−11.26 ± 1.22	–	–	2.81
7	SDSS J153636.22+044127.0	0.09 ± 0.008	−1.01 ± 0.01	3.31 ± 0.75	−10.30 ± 3.02	–	–	3.20
8	BZQ J0842+4525	0.10 ± 0.005	−1.46 ± 0.01	2.46 ± 0.89	−7.98 ± 3.96	1.82 ± 2.30	−5.12 ± 10.27	5.34
9	SDSS J140704.43+273556.6	0.11 ± 0.007	−0.58 ± 0.01	2.92 ± 0.70	−7.46 ± 2.51	–	–	6.59
10	SDSS J130040.62+172758.4	0.30 ± 0.022	−0.65 ± 0.01	2.63 ± 0.68	−6.61 ± 2.50	–	–	0.86
11	SDSS J131909.08+090814.7	0.13 ± 0.011	−0.90 ± 0.01	2.41 ± 1.09	−6.41 ± 4.23	–	–	2.10
12	SDSS J125414.23+131348.1	0.16 ± 0.012	−0.08 ± 0.06	3.04 ± 0.40	−6.37 ± 1.24	–	–	1.42
13	SDSS J142301.96+101500.1	0.14 ± 0.010	−1.29 ± 0.05	2.18 ± 0.73	−6.35 ± 3.15	–	–	4.08
14	QNZ 3:54	0.19 ± 0.013	−0.74 ± 0.18	2.48 ± 0.15	−6.26 ± 0.57	1.49 ± 0.41	−2.57 ± 1.52	2.25
15	SDSS J104941.01+085548.4	0.16 ± 0.009	−0.64 ± 0.01	2.42 ± 0.39	−5.81 ± 1.43	–	–	2.86
16	SDSS J082121.88+250817.5	0.09 ± 0.007	0.17 ± 0.01	2.98 ± 1.26	−5.45 ± 3.56	2.87 ± 2.56	−5.14 ± 7.24	4.21
17	SDSS J081617.73+293639.6	0.14 ± 0.012	−0.85 ± 0.01	2.15 ± 0.54	−5.29 ± 2.10	–	–	4.51
18	SDSS J133654.44+171040.3	0.13 ± 0.010	−1.14 ± 0.01	1.94 ± 0.41	−5.04 ± 1.71	–	–	3.50
19	SDSS J102255.21+172155.7	0.13 ± 0.014	−0.99 ± 0.12	1.96 ± 0.37	−4.81 ± 1.49	–	–	1.79
20	SDSS J083349.55+232809.0	0.09 ± 0.008	−1.21 ± 0.01	1.71 ± 0.47	−4.21 ± 1.96	2.79 ± 1.16	−8.74 ± 4.88	6.11
21	SDSS J104430.25+051857.2	0.09 ± 0.007	−1.05 ± 0.01	1.72 ± 0.94	−3.96 ± 3.81	0.34 ± 2.56	1.64 ± 10.35	5.06
22^a	SDSS J170942.58+342316.2	0.18 ± 0.014	−1.56 ± 0.01	1.48 ± 1.13	−3.77 ± 5.17	–	–	4.93
23	HS 0926+3608	0.08 ± 0.006	−0.39 ± 0.08	1.98 ± 1.20	−3.73 ± 4.07	–	–	9.11
24	RXS J10304+5516	0.08 ± 0.008	−0.48 ± 0.01	1.92 ± 0.66	−3.67 ± 2.28	3.26 ± 0.80	−8.34 ± 2.78	2.33
25	SDSS J121018.34+015405.9	0.12 ± 0.009	−0.22 ± 0.01	1.91 ± 0.24	−3.14 ± 0.76	1.21 ± 0.24	−0.88 ± 0.79	1.45
26	SDSS J092911.35+203708.5	0.21 ± 0.014	−0.22 ± 0.01	1.87 ± 1.81	−3.03 ± 5.84	−0.65 ± 2.95	5.11 ± 9.51	2.76
27	SDSS J224829.47+144418.0	0.32 ± 0.019	0.39 ± 0.01	2.25 ± 0.26	−2.88 ± 0.68	–	–	0.61
28	SDSS J104758.34+284555.8^b	0.30 ± 0.018	−0.32 ± 0.01	1.73 ± 0.73	−2.76 ± 2.43	–	–	0.65
29	SDSS J144754.62+132610.0^b	0.17 ± 0.015	0.25 ± 0.01	1.99 ± 0.32	−2.47 ± 0.87	–	–	0.85
30	SDSS J161013.67+311756.4	0.09 ± 0.006	−0.99 ± 0.01	1.36 ± 0.96	−2.45 ± 3.82	6.99 ± 2.74	−24.93 ± 10.94	1.38
31	SDSS J094450.76+151236.9	0.11 ± 0.008	−0.18 ± 0.08	1.62 ± 0.57	−2.16 ± 1.83	–	–	4.24
32	SDSS J121457.39+132024.3	0.20 ± 0.012	−0.50 ± 0.01	1.47 ± 0.15	−2.14 ± 0.53	–	–	2.09
33	SDSS J082926.01+180020.7^b	0.22 ± 0.015	−0.20 ± 0.01	1.57 ± 0.57	−2.02 ± 1.89	–	–	0.84
34	SDSS J154409.61+024040.0	0.27 ± 0.018	−1.25 ± 0.01	1.12 ± 0.25	−1.77 ± 1.06	–	–	1.13
35	SDSS J140600.26+013252.2^b	0.16 ± 0.014	0.07 ± 0.01	1.56 ± 0.19	−1.58 ± 0.54	1.07 ± 0.30	−0.12 ± 0.89	0.81
36	SDSS J170616.24+370927.0	0.13 ± 0.012	−1.15 ± 0.01	1.08 ± 0.22	−1.47 ± 0.91	–	–	2.99
37	SDSS J121018.66+185726.0	0.08 ± 0.008	−0.95 ± 0.01	0.97 ± 1.15	−0.82 ± 4.56	−2.47 ± 2.85	12.77 ± 11.25	6.52
38	HS 1630+2355	0.08 ± 0.004	−0.78 ± 0.01	0.95 ± 0.44	−0.60 ± 1.68	–	–	6.34
39	SDSS J160730.33+144904.3	0.12 ± 0.010	0.06 ± 0.01	1.20 ± 1.02	−0.52 ± 3.00	−0.01 ± 3.48	3.04 ± 10.21	4.24
40	SDSS J221016.97+122213.9	0.22 ± 0.017	0.33 ± 0.01	1.25 ± 0.25	−0.34 ± 0.68	7.85 ± 1.93	−17.95 ± 5.15	1.05
41	SDSS J150450.16+012215.5	0.14 ± 0.009	−1.78 ± 0.01	0.67 ± 0.19	−0.22 ± 0.93	0.57 ± 0.41	0.28 ± 1.98	3.58
42^a	SDSS J171617.49+341553.3	0.14 ± 0.012	−0.38 ± 0.02	0.95 ± 0.99	−0.20 ± 3.34	–	–	6.07
43	US 3204	0.20 ± 0.013	−0.80 ± 0.01	0.84 ± 0.29	−0.18 ± 1.11	1.60 ± 0.66	−3.10 ± 2.50	1.61
44	SDSS J133631.45+175613.8	0.14 ± 0.011	−0.14 ± 0.02	0.94 ± 1.69	0.06 ± 5.29	–	–	1.66
45	SDSS J135225.80+132853.2	0.11 ± 0.007	−0.13 ± 0.02	0.93 ± 1.20	0.09 ± 3.77	–	–	1.61
46	UM 234	0.17 ± 0.011	−0.34 ± 0.01	0.83 ± 0.19	0.23 ± 0.63	2.08 ± 0.30	−3.96 ± 1.01	1.70
47^a	SDSS J231733.66+001128.3	0.23 ± 0.006	−0.38 ± 0.01	0.79 ± 0.15	0.32 ± 0.54	1.82 ± 0.97	−3.17 ± 3.32	1.64
48	SDSS J124157.90+130104.1	0.21 ± 0.015	−1.38 ± 0.02	0.61 ± 0.28	0.35 ± 1.23	–	–	1.77
49	SDSS J082716.85+490534.0^b	0.24 ± 0.019	0.05 ± 0.01	0.69 ± 0.21	0.96 ± 0.62	1.31 ± 0.94	−0.87 ± 2.77	0.94
50^a	SDSS J005158.83-002054.1	0.21 ± 0.009	0.08 ± 0.01	0.65 ± 0.43	1.09 ± 1.26	–	–	1.53
51^a	SDSS J212939.60+004845.5	0.21 ± 0.014	0.04 ± 0.01	0.63 ± 0.16	1.13 ± 0.46	0.46 ± 3.26	1.64 ± 9.67	2.93
52	SDSS J103111.52+491926.5	0.08 ± 0.008	−1.21 ± 0.01	0.36 ± 0.59	1.51 ± 2.48	–	–	4.83
53	SDSS J143820.60+055447.9	0.23 ± 0.016	−0.01 ± 0.01	0.35 ± 0.30	1.95 ± 0.91	0.36 ± 0.51	1.91 ± 1.53	0.50
54^a	PDS 898	0.27 ± 0.011	0.42 ± 0.01	0.38 ± 0.12	2.01 ± 0.30	–	–	1.01
55	PGC 3096192	0.08 ± 0.009	−0.39 ± 0.01	0.09 ± 0.39	2.70 ± 1.32	5.86 ± 2.83	−16.88 ± 9.58	0.75
56	SDSS J084146.19+503601.1	0.19 ± 0.013	0.61 ± 0.01	0.09 ± 0.24	2.79 ± 0.58	–	–	0.28
57	SDSS J164452.71+430752.2	0.13 ± 0.011	−1.20 ± 0.07	−0.02 ± 0.70	3.07 ± 2.92	–	–	7.34
58^a	UM 269	0.34 ± 0.006	−0.52 ± 0.01	−0.02 ± 0.29	3.09 ± 1.02	−0.23 ± 0.39	3.80 ± 1.36	0.69
59	SDSS J152157.02+181018.6	0.12 ± 0.011	−0.64 ± 0.01	−0.33 ± 0.66	4.21 ± 2.40	–	–	0.98
60	HS 0946+4845	0.12 ± 0.007	0.01 ± 0.01	−0.54 ± 0.32	4.63 ± 0.95	–	–	1.39
61^a	SDSS J235958.72+003345.3	0.22 ± 0.012	−1.43 ± 0.01	−0.38 ± 0.29	4.66 ± 1.28	–	–	2.87
62^a	SDSS J024442.77-004223.2	0.29 ± 0.018	−0.81 ± 0.04	−0.45 ± 0.14	4.72 ± 0.52	4.31 ± 2.51	−13.42 ± 9.55	0.87
63^a	SDSS J141004.41+334945.5	0.21 ± 0.006	0.26 ± 0.01	−0.71 ± 0.24	4.94 ± 0.67	–	–	1.40
64^a	SDSS J235928.99+170426.9	0.35 ± 0.019	0.51 ± 0.01	−1.07 ± 0.40	5.66 ± 0.99	0.93 ± 1.26	0.69 ± 3.13	0.99
65	SDSS J133516.17+183341.4	0.12 ± 0.011	−0.86 ± 0.01	−0.84 ± 0.93	6.22 ± 3.58	–	–	4.83
66^a	SDSS J214036.77+005210.1	0.17 ± 0.012	−0.34 ± 0.24	−0.97 ± 0.64	6.25 ± 2.13	–	–	2.62
67	SDSS J123147.27+101705.3	0.24 ± 0.016	−0.31 ± 0.01	−2.18 ± 1.21	10.23 ± 4.00	–	–	1.38
68^a	SDSS J171122.67+342658.9	0.33 ± 0.020	0.06 ± 0.01	−3.08 ± 1.15	12.03 ± 3.38	–	–	1.44

#	Name	A_opt	α_opt	A_nUV/A_opt	α_nUV	A_fUV/A_opt	α_fUV	\|$\frac{A_{\rm Dop}\|_{\text{max}}}{2 A_{\rm opt}}$\|
1	SDSS J110554.78+322953.7	0.11 ± 0.009	−1.56 ± 0.09	5.91 ± 0.71	−23.94 ± 3.24	7.80 ± 1.82	−32.56 ± 8.29	1.62
2	SDSS J131706.19+271416.7	0.12 ± 0.011	−0.27 ± 0.12	7.61 ± 4.96	−21.92 ± 16.25	–	–	5.45
3	SDSS J072908.71+400836.6	0.06 ± 0.005	−3.67 ± 0.01	3.70 ± 2.48	−21.72 ± 16.52	–	–	0.65
4	3C 298.0	0.08 ± 0.005	−1.15 ± 0.01	5.18 ± 0.72	−18.49 ± 2.98	3.97 ± 2.04	−13.47 ± 8.48	6.44
5	SDSS J114438.34+262609.4	0.16 ± 0.013	−1.16 ± 0.01	4.12 ± 1.05	−14.14 ± 4.38	−0.29 ± 5.10	4.19 ± 21.20	3.18
6	SDSS J081133.43+065558.1	0.18 ± 0.014	−1.37 ± 0.01	3.26 ± 0.28	−11.26 ± 1.22	–	–	2.81
7	SDSS J153636.22+044127.0	0.09 ± 0.008	−1.01 ± 0.01	3.31 ± 0.75	−10.30 ± 3.02	–	–	3.20
8	BZQ J0842+4525	0.10 ± 0.005	−1.46 ± 0.01	2.46 ± 0.89	−7.98 ± 3.96	1.82 ± 2.30	−5.12 ± 10.27	5.34
9	SDSS J140704.43+273556.6	0.11 ± 0.007	−0.58 ± 0.01	2.92 ± 0.70	−7.46 ± 2.51	–	–	6.59
10	SDSS J130040.62+172758.4	0.30 ± 0.022	−0.65 ± 0.01	2.63 ± 0.68	−6.61 ± 2.50	–	–	0.86
11	SDSS J131909.08+090814.7	0.13 ± 0.011	−0.90 ± 0.01	2.41 ± 1.09	−6.41 ± 4.23	–	–	2.10
12	SDSS J125414.23+131348.1	0.16 ± 0.012	−0.08 ± 0.06	3.04 ± 0.40	−6.37 ± 1.24	–	–	1.42
13	SDSS J142301.96+101500.1	0.14 ± 0.010	−1.29 ± 0.05	2.18 ± 0.73	−6.35 ± 3.15	–	–	4.08
14	QNZ 3:54	0.19 ± 0.013	−0.74 ± 0.18	2.48 ± 0.15	−6.26 ± 0.57	1.49 ± 0.41	−2.57 ± 1.52	2.25
15	SDSS J104941.01+085548.4	0.16 ± 0.009	−0.64 ± 0.01	2.42 ± 0.39	−5.81 ± 1.43	–	–	2.86
16	SDSS J082121.88+250817.5	0.09 ± 0.007	0.17 ± 0.01	2.98 ± 1.26	−5.45 ± 3.56	2.87 ± 2.56	−5.14 ± 7.24	4.21
17	SDSS J081617.73+293639.6	0.14 ± 0.012	−0.85 ± 0.01	2.15 ± 0.54	−5.29 ± 2.10	–	–	4.51
18	SDSS J133654.44+171040.3	0.13 ± 0.010	−1.14 ± 0.01	1.94 ± 0.41	−5.04 ± 1.71	–	–	3.50
19	SDSS J102255.21+172155.7	0.13 ± 0.014	−0.99 ± 0.12	1.96 ± 0.37	−4.81 ± 1.49	–	–	1.79
20	SDSS J083349.55+232809.0	0.09 ± 0.008	−1.21 ± 0.01	1.71 ± 0.47	−4.21 ± 1.96	2.79 ± 1.16	−8.74 ± 4.88	6.11
21	SDSS J104430.25+051857.2	0.09 ± 0.007	−1.05 ± 0.01	1.72 ± 0.94	−3.96 ± 3.81	0.34 ± 2.56	1.64 ± 10.35	5.06
22^a	SDSS J170942.58+342316.2	0.18 ± 0.014	−1.56 ± 0.01	1.48 ± 1.13	−3.77 ± 5.17	–	–	4.93
23	HS 0926+3608	0.08 ± 0.006	−0.39 ± 0.08	1.98 ± 1.20	−3.73 ± 4.07	–	–	9.11
24	RXS J10304+5516	0.08 ± 0.008	−0.48 ± 0.01	1.92 ± 0.66	−3.67 ± 2.28	3.26 ± 0.80	−8.34 ± 2.78	2.33
25	SDSS J121018.34+015405.9	0.12 ± 0.009	−0.22 ± 0.01	1.91 ± 0.24	−3.14 ± 0.76	1.21 ± 0.24	−0.88 ± 0.79	1.45
26	SDSS J092911.35+203708.5	0.21 ± 0.014	−0.22 ± 0.01	1.87 ± 1.81	−3.03 ± 5.84	−0.65 ± 2.95	5.11 ± 9.51	2.76
27	SDSS J224829.47+144418.0	0.32 ± 0.019	0.39 ± 0.01	2.25 ± 0.26	−2.88 ± 0.68	–	–	0.61
28	SDSS J104758.34+284555.8^b	0.30 ± 0.018	−0.32 ± 0.01	1.73 ± 0.73	−2.76 ± 2.43	–	–	0.65
29	SDSS J144754.62+132610.0^b	0.17 ± 0.015	0.25 ± 0.01	1.99 ± 0.32	−2.47 ± 0.87	–	–	0.85
30	SDSS J161013.67+311756.4	0.09 ± 0.006	−0.99 ± 0.01	1.36 ± 0.96	−2.45 ± 3.82	6.99 ± 2.74	−24.93 ± 10.94	1.38
31	SDSS J094450.76+151236.9	0.11 ± 0.008	−0.18 ± 0.08	1.62 ± 0.57	−2.16 ± 1.83	–	–	4.24
32	SDSS J121457.39+132024.3	0.20 ± 0.012	−0.50 ± 0.01	1.47 ± 0.15	−2.14 ± 0.53	–	–	2.09
33	SDSS J082926.01+180020.7^b	0.22 ± 0.015	−0.20 ± 0.01	1.57 ± 0.57	−2.02 ± 1.89	–	–	0.84
34	SDSS J154409.61+024040.0	0.27 ± 0.018	−1.25 ± 0.01	1.12 ± 0.25	−1.77 ± 1.06	–	–	1.13
35	SDSS J140600.26+013252.2^b	0.16 ± 0.014	0.07 ± 0.01	1.56 ± 0.19	−1.58 ± 0.54	1.07 ± 0.30	−0.12 ± 0.89	0.81
36	SDSS J170616.24+370927.0	0.13 ± 0.012	−1.15 ± 0.01	1.08 ± 0.22	−1.47 ± 0.91	–	–	2.99
37	SDSS J121018.66+185726.0	0.08 ± 0.008	−0.95 ± 0.01	0.97 ± 1.15	−0.82 ± 4.56	−2.47 ± 2.85	12.77 ± 11.25	6.52
38	HS 1630+2355	0.08 ± 0.004	−0.78 ± 0.01	0.95 ± 0.44	−0.60 ± 1.68	–	–	6.34
39	SDSS J160730.33+144904.3	0.12 ± 0.010	0.06 ± 0.01	1.20 ± 1.02	−0.52 ± 3.00	−0.01 ± 3.48	3.04 ± 10.21	4.24
40	SDSS J221016.97+122213.9	0.22 ± 0.017	0.33 ± 0.01	1.25 ± 0.25	−0.34 ± 0.68	7.85 ± 1.93	−17.95 ± 5.15	1.05
41	SDSS J150450.16+012215.5	0.14 ± 0.009	−1.78 ± 0.01	0.67 ± 0.19	−0.22 ± 0.93	0.57 ± 0.41	0.28 ± 1.98	3.58
42^a	SDSS J171617.49+341553.3	0.14 ± 0.012	−0.38 ± 0.02	0.95 ± 0.99	−0.20 ± 3.34	–	–	6.07
43	US 3204	0.20 ± 0.013	−0.80 ± 0.01	0.84 ± 0.29	−0.18 ± 1.11	1.60 ± 0.66	−3.10 ± 2.50	1.61
44	SDSS J133631.45+175613.8	0.14 ± 0.011	−0.14 ± 0.02	0.94 ± 1.69	0.06 ± 5.29	–	–	1.66
45	SDSS J135225.80+132853.2	0.11 ± 0.007	−0.13 ± 0.02	0.93 ± 1.20	0.09 ± 3.77	–	–	1.61
46	UM 234	0.17 ± 0.011	−0.34 ± 0.01	0.83 ± 0.19	0.23 ± 0.63	2.08 ± 0.30	−3.96 ± 1.01	1.70
47^a	SDSS J231733.66+001128.3	0.23 ± 0.006	−0.38 ± 0.01	0.79 ± 0.15	0.32 ± 0.54	1.82 ± 0.97	−3.17 ± 3.32	1.64
48	SDSS J124157.90+130104.1	0.21 ± 0.015	−1.38 ± 0.02	0.61 ± 0.28	0.35 ± 1.23	–	–	1.77
49	SDSS J082716.85+490534.0^b	0.24 ± 0.019	0.05 ± 0.01	0.69 ± 0.21	0.96 ± 0.62	1.31 ± 0.94	−0.87 ± 2.77	0.94
50^a	SDSS J005158.83-002054.1	0.21 ± 0.009	0.08 ± 0.01	0.65 ± 0.43	1.09 ± 1.26	–	–	1.53
51^a	SDSS J212939.60+004845.5	0.21 ± 0.014	0.04 ± 0.01	0.63 ± 0.16	1.13 ± 0.46	0.46 ± 3.26	1.64 ± 9.67	2.93
52	SDSS J103111.52+491926.5	0.08 ± 0.008	−1.21 ± 0.01	0.36 ± 0.59	1.51 ± 2.48	–	–	4.83
53	SDSS J143820.60+055447.9	0.23 ± 0.016	−0.01 ± 0.01	0.35 ± 0.30	1.95 ± 0.91	0.36 ± 0.51	1.91 ± 1.53	0.50
54^a	PDS 898	0.27 ± 0.011	0.42 ± 0.01	0.38 ± 0.12	2.01 ± 0.30	–	–	1.01
55	PGC 3096192	0.08 ± 0.009	−0.39 ± 0.01	0.09 ± 0.39	2.70 ± 1.32	5.86 ± 2.83	−16.88 ± 9.58	0.75
56	SDSS J084146.19+503601.1	0.19 ± 0.013	0.61 ± 0.01	0.09 ± 0.24	2.79 ± 0.58	–	–	0.28
57	SDSS J164452.71+430752.2	0.13 ± 0.011	−1.20 ± 0.07	−0.02 ± 0.70	3.07 ± 2.92	–	–	7.34
58^a	UM 269	0.34 ± 0.006	−0.52 ± 0.01	−0.02 ± 0.29	3.09 ± 1.02	−0.23 ± 0.39	3.80 ± 1.36	0.69
59	SDSS J152157.02+181018.6	0.12 ± 0.011	−0.64 ± 0.01	−0.33 ± 0.66	4.21 ± 2.40	–	–	0.98
60	HS 0946+4845	0.12 ± 0.007	0.01 ± 0.01	−0.54 ± 0.32	4.63 ± 0.95	–	–	1.39
61^a	SDSS J235958.72+003345.3	0.22 ± 0.012	−1.43 ± 0.01	−0.38 ± 0.29	4.66 ± 1.28	–	–	2.87
62^a	SDSS J024442.77-004223.2	0.29 ± 0.018	−0.81 ± 0.04	−0.45 ± 0.14	4.72 ± 0.52	4.31 ± 2.51	−13.42 ± 9.55	0.87
63^a	SDSS J141004.41+334945.5	0.21 ± 0.006	0.26 ± 0.01	−0.71 ± 0.24	4.94 ± 0.67	–	–	1.40
64^a	SDSS J235928.99+170426.9	0.35 ± 0.019	0.51 ± 0.01	−1.07 ± 0.40	5.66 ± 0.99	0.93 ± 1.26	0.69 ± 3.13	0.99
65	SDSS J133516.17+183341.4	0.12 ± 0.011	−0.86 ± 0.01	−0.84 ± 0.93	6.22 ± 3.58	–	–	4.83
66^a	SDSS J214036.77+005210.1	0.17 ± 0.012	−0.34 ± 0.24	−0.97 ± 0.64	6.25 ± 2.13	–	–	2.62
67	SDSS J123147.27+101705.3	0.24 ± 0.016	−0.31 ± 0.01	−2.18 ± 1.21	10.23 ± 4.00	–	–	1.38
68^a	SDSS J171122.67+342658.9	0.33 ± 0.020	0.06 ± 0.01	−3.08 ± 1.15	12.03 ± 3.38	–	–	1.44

We emphasize with bold the sources that are consistent with relativistic Doppler boost.

Notes:^aSMBHB candidates identified in PTF (C16).

^bSources that were consistent with the multiwavelength prediction of Doppler boost, but not with the maximum amplitude requirement.

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