Open Access

Table A.1.

The XRT observations of 1ES 0033+595.

ObsID Obs. Start–End (UTC) Exp. (s) Mode MJD CR(cts s−1) /d.o.f. Bin (s) Var.
(1) (2) (3) (4) (5) (6) (7) (8) (9)
35061001 2005-04-01 00:40:01 04-01 23:35:58 7508 PC, WT 53461.031 2.03(0.13) 2.28/64 60 V
35061002 2005-04-20 01:05:02 04-20 23:40:5 3039 WT 53480.047 2.04(0.05) 1.34/19 60 NV
35061003 2005-05-20 01:26:02 05-21 00:00:57 4407 PC, WT 53510.061 3.58(0.06) 1.17/33 120 NV
35061004 2007-11-25 08:05:00 11-25 10:34:01 2277 PC 54429.339 1.53(0.04) 1.02/18 120 NV
35061005 2007-12-12 03:57:01 12-12 06:27:50 1881 PC 54446.167 1.98(0.06) 0.97/14 120 NV
35061006 2011-01-27 02:10:00 01-27 03:13:18 744 WT 55588.092 1.47(0.06) 0.93/11 60 NV
35061007 2011-01-31 10:46:00 01-31 11:50:00 810 WT 55592.450 1.44(0.05) 1.13/7 120 NV
35061008 2011-02-01 15:40:59 02-01 18:15:21 1574 WT 55593.656 1.64(0.04) 0.61/12 120 NV
35061009 2013-09-13 08:35:59 9-13 09:43:58 1094 WT 56548.360 4.39(0.07) 1.31/8 120 NV
35061010 2013-09-15 09:43:58 09-15 11:17:29 960 WT 56550.426 4.53(0.07) 0.94/7 120 NV
32971001 2013-09-28 05:31:43 09-28 08:39:16 994 WT 56563.233 3.15(0.06) 1.40/16 60 NV
32971002 2013-09-29 05:33:40 09-29 07:04:03 994 WT 56564.234 3.02(0.06) 1.23/15 60 NV
32971003 2013-09-30 08:30:17 09-30 09:01:38 1000 WT 56565.356 3.01(0.06) 1.65/7 120 NV
32971004 2013-10-01 07:01:59 10-01 08:16:52 1730 WT 56566.294 2.47(0.04) 1.45/13 120 NV
32971006 2013-10-03 07:00:58 10-03 09:40:46 1669 WT 56568.295 3.79(0.06) 0.91/12 120 NV
32971008 2013-10-09 05:41:59 10-09 06:50:07 1114 WT 56574.239 2.44(0.09) 1.30/8 120 NV
32971010 2013-10-11 07:12:59 10-11 08:19:59 1125 WT 56576.302 2.12(0.05) 1.40/8 120 NV
33484001 2014-10-15 00:22:30 10-15 06:53:07 1986 WT 56945.018 5.72(0.06) 1.44/15 120 NV
33484002 2014-10-16 05:13:49 10-16 07:54:19 1994 WT 56946.219 5.18(0.05) 1.25/17 120 NV
33484003 2014-10-17 04:09:59 10-17 08:33:04 1988 WT 56947.175 3.65(0.06) 16.30/19 120 V
33484004 2014-10-18 04:07:58 10-18 08:33:49 1991 WT 56948.176 4.56(0.06) 2.61/14 120 V
33484005 2014-10-19 04:05:58 10-19 08:43:33 2993 WT 56949.172 4.20(0.05) 3.193/24 120 V
85396001 2014-11-07 11:07:59 11-07 12:01:04 173 PC 56968.466 2.90(0.19) 0.20/2 60 NV
85396002 2014-11-10 23:48:59 11-11 00:42:27 153 PC 56971.995 3.34(0.25) 6.13/1 60 NV
85396003 2014-11-21 07:29:59 11-22 08:21:20 2042 PC 56982.315 6.39(0.14) 1.79/15 120 NV
85396004 2014-11-23 07:26:59 11-24 01:54:08 1910 PC 56984.313 6.01(0.14) 0.85/33 60 NV
85396005 2014-11-25 00:59:59 11-25 22:39:05 785 PC 56986.044 6.01(0.22) 0.67/13 60 NV
35061011 2014-12-05 00:46:47 12-05 01:51:48 1000 WT 56996.034 8.62(0.10) 0.67/7 120 NV
35061012 2014-12-05 12:01:10 12-05 13:07:05 1000 WT 56996.503 8.70(0.10) 2.602/7 120 NV
35061013 2014-12-06 00:49:25 12-06 01:54:58 805 WT 56997.036 7.70(0.10) 1.083/6 120 NV
35061014 2014-12-06 12:02:06 12-06 13:48:03 1000 WT 56997.504 6.46(0.09) 2.147/7 120 NV
35061016 2014-12-09 04:12:59 12-09 05:57:30 810 WT 57000.179 5.91(0.10) 0.703/6 120 NV
35061017 2014-12-14 02:23:59 12-14 04:07:43 1075 WT 57005.101 3.65(0.06) 1.16/8 120 NV
32971010 2015-08-30 08:04:58 08-30 10:50:30 1169 WT 57264.340 2.49(0.05) 2.745/9 120 PV
32971011 2015-09-09 02:54:58 09-09 07:05:15 1574 WT 57274.123 3.76(0.06) 2.093/11 120 NV
32971012 2015-09-19 08:33:57 09-19 11:11:00 1149 WT 57284.359 5.13(0.08) 1.63/8 120 NV
32971014 2015-09-21 23:58:58 09-22 17:12:29 1743 WT 57287.004 4.66(0.07) 26.65/15 120 V
32971015 2015-09-25 09:24:04 09-25 10:37:15 1235 WT 57290.395 6.28()0.08 0.75/9 120 NV
32971016 2015-09-28 22:00:58 09-28 23:13:55 1624 WT 57293.919 5.56(0.06) 1.70/12 120 NV
32971017 2015-10-01 12:09:58 10-01 15:40:01 849 WT 57296.509 7.62(0.12) 1.106/8 120 NV
32971018 2015-10-04 13:28:58 10-04 14:41:55 1614 WT 57299.563 7.51(0.08) 1.051/12 120 NV
32971019 2015-10-07 16:32:03 10-07 17:43:57 1644 WT 57302.691 4.08()0.06 1.263/11 120 NV
32971021 2015-10-09 13:20:58 10-09 19:06:56 1444 WT 57304.559 4.42(0.07) 2.72/11 120 PV
32971022 2015-10-14 19:41:57 10-14 22:22:25 1504 WT 57309.823 3.86(0.05) 1.71/12 120 NV
32971023 2015-10-17 13:20:58 10-17 15:57:56 1404 WT 57312.557 3.83(0.06) 6.84/10 120 V
32971024 2015-10-19 20:56:57 10-19 22:10:20 1589 WT 57314.875 4.48(0.09) 4.48/8 180 V
32971025 2015-10-20 00:26:58 10-20 04:40:18 1614 WT 57315.020 3.47(0.05) 1.73/14 120 NV
32971026 2015-10-23 17:45:58 10-23 20:27:42 1619 WT 57318.743 4.55(0.06) 1.59/12 120 NV
32971029 2015-10-27 08:02:58 10-27 20:12:18 1180 WT 57322.338 3.55(0.06) 2.56/8 120 NV
32971031 2015-10-30 15:29:58 10-30 16:42:07 1474 WT 57325.647 5.15(0.06) 0.97/11 120 NV
32971032 2015-11-02 23:07:58 11-03 00:20:36 1515 WT 57328.966 9.3(0.13) 1.31/24 60 NV
32971033 2015-11-05 03:41:58 11-05 04:54:32 1530 WT 57331.156 3.39(0.06) 1.152/12 120 NV
32971034 2015-11-08 05:06:58 11-08 07:45:11 1330 WT 57334.216 3.47(0.06) 1.06/10 120 NV
32971035 2015-11-18 09:08:57 11-18 10:53:58 224 WT 57344.383 5.55(0.15) 0.05/4 45 NV
32971036 2015-11-22 15:23:58 11-22 15:43:25 609 WT 57348.644 4.07(0.09) 0.82/9 60 NV
32971037 2015-11-25 07:06:58 11-25 08:20:54 1634 WT 57351.298 3.46(0.05) 1.345/26 60 NV
32971039 2015-12-01 06:53:58 12-01 09:32:11 1400 WT 57357.290 7.69()0.08 1.039/10 120 NV
32971040 2015-12-05 08:31:58 12-05 17:25:37 1374 WT 57361.359 5.63(0.07) 1.808/10 120 NV
32971041 2015-12-08 22:56:07 12-08 23:05:54 264 WT 57364.959 4.01(0.14) 0.31/3 60 NV
32971042 2015-12-11 22:41:14 12-11 22:54:57 645 WT 57367.947 6.64(0.11) 2.161/4 120 NV
32971043 2015-12-14 11:12:57 12-14 11:35:40 49 WT 57370.469 5.60(0.39) 3.40/2 120 NV
32971044 2015-12-17 01:20:58 12-17 21:35:58 1069 WT 57373.057 4.16()0.07 4.16/8 120 V
32971045 2017-02-18 22:37:56 02-18 23:51:14 1550 WT 57802.945 1.30(0.03) 1.416/12 120 NV
32971046 2017-02-25 04:28:57 02-25 05:42:29 1494 WT 57809.190 1.29(0.03) 0.80/11 120 NV
32971048 2017-03-18 12:56:57 03-18 15:29:26 1304 WT 57830.542 2.51(0.08) 15.40/10 120 V
32971049 2017-03-25 18:30:57 03-25 19:44:18 1559 WT 57837.774 1.91(0.04) 1.60/12 120 NV
32971050 2017-04-01 20:55:57 04-01 21:27:56 1504 WT 57844.875 1.62(0.04) 1.62/11 120 NV
32971051 2017-04-08 09:06:57 04-08 10:19:38 1455 WT 57851.382 1.99()0.04 0.80/11 120 NV
32971052 2017-04-15 08:27:57 04-15 09:41:05 1569 WT 57858.350 1.84(0.04) 1.84/12 120 NV
32971053 2017-04-22 01:41:57 04-22 09:01:33 1454 WT 57865.072 1.61(0.04) 1.14/11 120 NV
32971054 2017-04-29 01:00:57 04-29 03:38:06 1249 WT 57872.045 2.20(0.05) 0.82/9 120 NV
32971055 2017-05-06 18:21:57 05-06 21:25:35 1251 WT 57879.768 1.77(0.04) 2.80/9 120 PV
32971056 2017-05-13 03:08:57 05-13 04:22:50 1459 WT 57886.134 1.45(0.04) 1.004/11 120 NV
32971057 2017-05-20 02:39:57 05-20 03:51:50 1414 WT 57893.113 1.49(0.04) 2.139/11 120 NV
32971058 2017-05-27 06:41:57 05-27 07:54:22 1500 WT 57900.281 1.57(0.04) 2.534/11 120 PV
32971059 2017-11-25 15:10:57 11-25 17:50:24 1489 WT 58082.635 2.69(0.04) 1.73/11 120 NV
32971060 2017-11-27 19:49:57 11-27 22:33:03 1389 WT 58084.829 2.69(0.05) 1.86/10 120 NV
32971061 2017-12-01 14:35:56 12-01 17:21:43 1814 WT 58088.610 2.69(0.05) 1.86/10 120 NV
32971062 2017-12-05 20:54:57 12-05 23:24:48 1169 WT 58092.874 2.31(0.06) 0.56/6 120 NV
32971064 2018-02-07 17:54:57 02-07 19:07:36 1405 WT 58156.750 1.20(0.04) 3.28/11 120 V
32971065 2018-02-08 01:53:57 02-08 04:34:3 1319 WT 58157.082 1.10(0.04) 4.51/10 120 V
32971066 2018-02-12 19:20:57 02-12 23:29:24 1615 WT 58161.808 1.38(0.04) 0.91/14 120 NV
32971067 2018-02-16 07:36:25 02-16 08:49:46 1384 WT 58165.320 1.16(0.03) 1.59/10 120 NV
32971068 2018-02-20 05:26:57 02-20 06:40:25 1519 WT 58169.230 1.77(0.04) 1.74/11 120 NV
32971069 2018-02-27 23:58:57 02-28 20:18:28 1830 WT 58177.004 1.51(0.04) 1.63/12 120 NV
32971071 2018-03-12 21:38:57 03-12 23:12:35 1375 WT 58189.906 1.58(0.04) 7.60/10 120 V
32971072 2018-03-16 00:36:20 03-16 07:53:36 803 WT 58193.027 1.63(0.06) 0.22/5 120 NV
32971074 2018-03-28 10:23:57 03-28 13:28:12 1409 WT 58205.435 1.51(0.04) 0.67/11 120 NV
32971075 2018-04-01 14:53:57 04-02 14:29:33 1884 WT 58209.622 2.24(0.08) 0.09/3 120 NV
32971076 2018-04-07 22:13:57 04-08 00:46:49 1819 WT 58215.928 1.83(0.05) 1.71/6 120 NV
32971078 2018-04-18 02:01:57 04-18 23:52:56 1743 WT 58226.088 2.34(0.05) 1.027/10 120 NV
32971079 2018-05-02 18:44:57 05-02 21:25:18 1449 WT 58240.783 1.78(0.04) 1.86/11 120 NV
32971080 2018-05-04 23:27:29 05-04 23:39:24 434 WT 58242.980 1.96(0.08) 0.48/3 120 NV
32971081 2018-05-10 08:1 :57 05-10 14:33:54 1574 WT 58248.346 2.23(0.05) 1.38/12 120 NV
32971082 2018-05-15 01:34:57 05-15 10:42:47 1517 WT 58253.068 2.50(0.05) 1.63/11 120 NV
32971083 2018-05-20 21:38:57 05-21 00:17:14 1174 WT 58258.905 2.22(0.05) 1.69/9 120 NV
32971084 2018-05-25 06:42:54 05-25 07:54:49 1350 WT 58263.282 1.80(0.04) 1.273/10 120 NV
32971085 2018-08-04 14:39:57 08-04 17:32:51 954 WT 58334.613 2.80(0.07) 7.001/7 120 V
32971086 2018-08-11 20:38:57 08-11 21:45:01 889 WT 58341.863 2.43(0.06) 0.99/6 120 NV
32971087 2018-08-18 08:53:57 08-18 10:01:24 1125 WT 58348.372 2.53(0.06) 3.87/8 120 V
32971088 2018-08-23 13:13:56 08-23 14:19:21 1009 WT 58353.553 1.36(0.05) 5.49/7 120 V
32971089 2018-08-30 23:36:57 08-31 00:43:09 1099 WT 58360.985 1.97(0.06) 1.49/8 120 NV
32971090 2018-09-06 23:08:57 09-07 00:08:35 564 WT 58367.966 2.74(0.08) 1.010/4 120 NV
32971091 2018-09-22 06:46:57 09-22 09:24:08 1244 WT 58383.284 2.06(0.05) 2.048/9 120 NV
32971092 2018-09-22 19:46:57 09-22 20:51:51 905 WT 58383.826 2.03(0.06) 0.85/6 120 NV
32971093 2018-10-04 12:29:57 10-04 19:49:40 1009 WT 58395.523 2.00(0.05) 1.025/7 120 NV
32971094 2018-10-16 06:37:57 10-16 07:31:02 1016 PC 58407.278 1.61(0.06) 0.81/7 120 NV
32971095 2018-11-08 02:33:57 11-08 03:27:16 1061 PC 58430.109 1.41(0.05) 0.99/8 120 NV
32971096 2018-11-11 03:54:34 11-11 04:48:34 1163 PC 58433.166 1.77(0.07) 0.72/18 120 NV
32971097 2019-03-10 04:12:36 03-10 05:27:04 1251 PC 58552.179 2.63(0.09) 0.68/9 120 NV
32971098 2019-03-17 06:39:35 03-17 07:53:56 1176 PC 58559.282 2.66(0.08) 0.92/9 120 NV
32971099 2019-03-24 10:37:36 03-24 11:51:46 1182 PC 58566.447 2.93(0.09) 1.127/9 120 NV
32971100 2019-03-31 19:40:34 03-31 20:55:58 1297 PC 58573.823 1.55(0.05) 3.61/10 120 V
32971102 2019-04-10 00:52:36 04-10 02:06:06 1049 PC 58583.041 2.43(0.08) 0.69/16 120 NV
32971103 2019-04-14 16:32:35 04-14 22:36:11 2148 PC 58587.694 2.18(0.05) 1.41/17 120 NV
32971104 2019-04-28 23:31:3 04-29 00:45:54 1252 PC 58601.983 2.25(0.08) 1.304/9 120 NV
32971038 2015-11-28 11:53:57 11-28 17:42:03 1794 WT 57354.499 4.37(0.06) 31.20/14 120 V
32971105 2019-05-05 11:43:35 05-05 19:13:20 1407 PC 58608.492 1.49(0.05) 1.18/11 120 NV
32971106 2019-05-12 15:34:34 05-12 16:48:42 1191 PC 58615.653 2.51(0.08) 0.85/9 120 NV
32971107 2019-05-19 22:47:34 05-20 00:02:00 1164 PC 58622.954 1.82(0.06) 1.293/18 120 NV
32971108 2019-05-26 20:32:34 05-26 21:45:57 1127 PC 58629.860 1.84(0.06) 1.66/8 120 NV
32971109 2019-06-02 07:19:52 06-02 14:32:38 878 PC 58636.310 2.22(0.08) 1.317/6 120 NV
32971111 2019-09-14 05:24:36 09-14 09:44:50 711 PC 58740.230 1.69(0.09) 1.69/6 120 NV
32971112 2019-10-05 20:54:34 10-05 22:04:08 922 PC 58761.875 2.68(0.08) 0.85/7 120 NV
32971113 2019-10-12 12:25:34 10-12 13:35:00 930 PC 58768.521 2.23(0.09) 0.99/7 120 NV
32971114 201910-19 21:31:50 10-19 21:52:28 202 PC 58775.901 3.62(0.27) 0.54/2 120 NV
32971115 2019-10-26 18:59:35 10-26 20:10:14 935 PC 58782.795 2.34(0.08) 1.54/14 120 NV
32971116 2019-11-02 22:46:36 11-02 23:56:12 892 PC 58789.953 1.70(0.07) 2.140/6 120 NV
80862001 2019-11-10 07:41:35 11-10 16:36:18 6226 PC 58797.325 2.20(0.03) 1.185/48 120 NV
32971117 2019-11-18 17:06:35 11-18 17:20:16 264 PC 58805.717 1.52(0.13) 0.41/3 120 NV
32971119 2019-11-21 03:41:35 11-21 05:28:4 775 PC 58808.158 1.65(0.09) 2.26/5 120 NV
32971120 2019-11-26 01:52:35 11-26 02:48:18 878 PC 58813.082 2.15(0.08) 1.184/6 120 NV
32971121 2019-12-22 02:14:35 12-22 03:09:10 948 PC 58839.097 1.68(0.06) 0.67/7 120 NV
32971122 2019-12-27 03:12:36 12-27 04:07:55 963 PC 58844.137 1.93(0.07) 0.19/7 120 NV
32971123 2020-02-19 02:36:36 02-19 03:43:29 769 WT 58898.112 1.57(0.05) 0.49/5 120 NV
32971124 2020-02-28 13:32:36 02-28 14:33:24 295 WT 58907.568 1.55(0.11) 2.61/5 120 NV
32971125 2020-03-04 22:25:34 03-04 22:51:35 770 WT 58912.938 1.58(0.06) 4.95/12 120 V
32971126 2020-03-11 10:27:36 03-11 11:46:39 1445 WT 58919.440 2.05(0.04) 1.108/11 120 NV
32971129 2020-03-25 05:47:01 03-25 06:10:25 617 WT 58933.245 1.34(0.06) 4.661/4 120 V
32971130 2020-04-01 11:14:34 04-01 12:31:43 1275 WT 58940.473 1.11(0.04) 1.150/10 120 NV
32971131 2020-04-09 04:17:37 04-09 16:23:45 904 WT 58948.183 1.15(0.04) 2.708/8 120 NV
32971132 2020-04-22 09:46:36 04-22 21:55:15 1399 WT 58961.411 1.27(0.06) 4.42/3 120 PV
32971133 2020-04-29 00:55:36 04-29 02:13:33 1489 WT 58968.042 1.33(0.04) 4.54/11 120 V
32971134 2020-05-06 03:12:36 05-06 04:31:42 1529 WT 58975.137 2.03(0.04) 2.42/12 120 PV
32971135 2020-05-13 13:44:42 05-13 14:07:25 710 WT 58982.577 2.13(0.06) 2.31/5 120 NV
32971136 2020-05-20 14:27:35 05-20 15:45:09 1284 WT 58989.607 1.17(0.04) 1.92/10 120 NV
32971137 2020-05-27 23:24:34 05-28 00:39:51 1214 WT 58996.980 0.84(0.04) 3.62/9 120 V
32971138 2020-08-19 08:46:35 08-19 13:22:42 2224 PC 59080.370 0.94(0.03) 0.54/18 120 NV
32971140 2020-11-12 05:25:36 11-12 07:07:08 1025 PC 59165.229 1.85(0.07) 0.91/7 120 NV
32971141 2020-11-16 05:06:35 11-16 06:00:52 965 PC 59169.216 1.92(0.08) 0.41/7 120 NV
32971143 2020-12-07 01:08:35 12-07 02:03:35 1101 PC 59190.051 1.73(0.06) 0.72/8 120 NV
32971144 2020-12-10 04:05:54 12-10 05:01:29 627 PC 59193.175 1.77(0.09) 0.12/4 120 NV
32971145 2020-12-13 03:44:34 12-13 04:39:52 905 PC 59196.160 1.69(0.07) 1.37/6 120 NV
35061018 2021-10-31 03:20:35 10-31 04:28:14 853 PC 59518.144 0.41(0.03) 1.074/6 120 NV
35061019 2021-11-27 02:20:35 11-27 03:28:06 937 PC 59545.101 0.51(0.03) 1.29/7 120 NV
35061020 2022-04-29 03:51:35 04-29 08:06:52 1762 PC 59698.164 0.91(0.03) 1.34/13 120 NV
35061021 2022-05-05 01:17:3 05-05 16:45:44 2714 PC 59704.058 0.77(0.02) 1.40/20 120 NV
35061022 2022-05-11 08:41:35 05-12 00:13:01 2000 PC 59710.366 0.64(0.03) 0.76/15 120 NV
35061023 2022-05-17 12:37:35 05-17 16:54:41 1810 PC 59716.530 0.47(0.03) 0.80/13 120 NV
35061024 2022-05-22 03:56:36 05-23 05:49:1 940 PC 59721.168 0.52(0.03) 1.17/7 120 NV

Notes. The columns are as follows: (1) observation ID; (2) observation start–end (in UTC); (3) exposure (in seconds); (4) Observation mode (PC – photon counting; WT – windowed timing); (5) Modified Julian date corresponding to the observation start; (6)–(9): mean value of the 0.3–10 keV count rate with the associated error (in cts s−1), reduced χ2 with the corresponding degrees-of-freedom and time bin used for light-curve construction, respectively; (9) existence of brightness variability during the observation (V stands for variability detection; PV – possibly variable; NV – non-variable).

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