Table 1: Photometry of SDSS J1650+4251 and of reference star #5, as in Fig. 2. The Julian date corresponds to HJD-2 450 000 days. The five points marked by an asterisk are not used in the determination of the time delay.

HJD	seeing ['']	mag A		mag B		mag star #5
3 133.412	1.5	0.273	0.006	2.244	0.016	-0.175	0.013
3 134.362	1.1	0.291	0.002	2.241	0.011	-0.166	0.004
3 135.385	0.9	0.282	0.004	2.268	0.012	-0.177	0.008
3 142.386	1.3	0.287	0.002	2.273	0.007	-0.167	0.003
3 146.415	1.2	0.276	0.001	2.264	0.006	-0.178	0.002
3 150.406	0.9	0.264	0.001	2.300	0.006	-0.176	0.001
3 152.367	1.0	0.279	0.004	2.231	0.011	-0.172	0.008
3 154.407	0.9	0.267	0.002	2.252	0.007	-0.175	0.003
3 159.364	1.1	0.253	0.003	2.254	0.018	-0.174	0.005
3 163.315	1.7	0.249	0.002	2.301	0.010	-0.173	0.003
3 166.425	1.0	0.248	0.002	2.244	0.008	-0.177	0.003
3 169.393	1.1	0.222	0.003	2.317	0.011	-0.189	0.006
3 171.430	1.5	0.234	0.002	2.284	0.008	-0.172	0.004
3 173.298	1.1	0.233	0.001	2.275	0.006	-0.168	0.002
3 175.300	1.1	0.230	0.001	2.279	0.006	-0.178	0.001
3 189.265	1.1	0.208	0.007	2.236	0.023	-0.172	0.012
3 191.360	1.1	0.215	0.003	2.255	0.018	-0.167	0.004
3 193.304	1.3	0.194	0.006	2.246	0.018	-0.166	0.012
3 195.252	1.0	0.217	0.002	2.239	0.007	-0.170	0.004
3 203.314*	1.4	0.186	0.001	2.345	0.007	-0.173	0.002
3 209.256	1.0	0.189	0.003	2.198	0.010	-0.167	0.007
3 213.256	1.0	0.166	0.003	2.190	0.010	-0.183	0.007
3 216.310	1.7	0.149	0.006	2.189	0.018	-0.163	0.011
3 219.281	1.6	0.151	0.004	2.198	0.018	-0.155	0.008
3 221.234	1.0	0.178	0.002	2.241	0.009	-0.179	0.003
3 224.209	1.2	0.140	0.005	2.228	0.015	-0.166	0.010
3 232.187	1.1	0.215	0.003	2.198	0.009	-0.168	0.005
3 246.163	1.3	0.133	0.013	2.148	0.035	-0.142	0.026
3 248.138*	1.5	0.172	0.004	2.054	0.013	-0.114	0.007
3 254.125	0.9	0.156	0.004	2.139	0.013	-0.160	0.007
3 256.135	1.0	0.188	0.001	2.181	0.005	-0.173	0.003
3 261.115	1.5	0.203	0.011	2.153	0.029	-0.178	0.017
3 271.109	1.3	0.191	0.005	2.167	0.014	-0.183	0.009
3 273.103	1.2	0.163	0.007	2.117	0.020	-0.176	0.013
3 277.104	1.0	0.190	0.004	2.179	0.014	-0.191	0.007
3 281.106	1.4	0.146	0.006	2.151	0.016	-0.167	0.011
3 283.100	1.2	0.146	0.004	2.129	0.012	-0.164	0.008
3 430.540	0.9	0.167	0.002	2.078	0.009	-0.135	0.003
3 434.546	0.8	0.175	0.007	2.088	0.019	-0.143	0.009
3 461.499	0.9	0.166	0.003	2.138	0.009	-0.150	0.005
3 475.491	0.9	0.175	0.004	2.120	0.012	-0.179	0.008
3 482.443	1.1	0.177	0.002	2.124	0.011	-0.149	0.004
3 500.415	1.3	0.206	0.004	2.147	0.011	-0.168	0.008
3 507.348	1.0	0.177	0.005	2.106	0.012	-0.153	0.009
3 508.403*	0.9	0.199	0.003	2.222	0.009	-0.171	0.006
3 511.303	1.0	0.172	0.007	2.153	0.018	-0.151	0.012
3 517.383	0.8	0.163	0.004	2.146	0.012	-0.168	0.007
3 524.391	0.9	0.194	0.002	2.118	0.006	-0.183	0.003
3 533.412*	1.6	0.193	0.002	2.002	0.007	-0.171	0.004
3 540.345	1.0	0.194	0.003	2.124	0.011	-0.168	0.006
3 542.323	1.1	0.172	0.007	2.132	0.020	-0.194	0.014
3 552.291	0.9	0.201	0.001	2.149	0.005	-0.179	0.001
3 556.295	0.9	0.204	0.003	2.185	0.008	-0.176	0.005
3 559.280	1.0	0.181	0.002	2.134	0.007	-0.160	0.004
3 564.295*	1.3	0.228	0.001	2.300	0.007	-0.167	0.003
3 570.247	1.0	0.192	0.005	2.094	0.015	-0.165	0.010
3 575.323	1.3	0.198	0.010	2.084	0.026	-0.172	0.019
3 576.264	1.0	0.211	0.001	2.195	0.008	-0.181	0.002
3 578.275	1.2	0.189	0.002	2.133	0.007	-0.177	0.003
3 581.284	1.2	0.190	0.005	2.176	0.012	-0.188	0.009
3 611.225	1.2	0.188	0.003	2.161	0.008	-0.165	0.005
3 613.201	1.5	0.175	0.007	2.156	0.018	-0.180	0.013

Source LaTeX | All tables | In the text