Open Access

Table B.1.

Observation log of the Ondřejov optical spectra taken in 2022, when the hard state lasted the longest.

Date HJD Exposure time Orbital phase ϕ sstar for He II FX Instrument
[UT] [ks] [photons s−1 cm−2]
2022-03-11 02:23:10.666 2459649.60 3.6 0.178 0.9086 0.8617 OES
2022-03-12 02:24:08.640 2459650.60 3.4 0.356 1.1581 0.8726 OES
2022-03-13 02:48:32.688 2459651.62 3.6 0.538 1.1086 0.9100 OES
2022-03-19 02:02:13.286 2459657.59 3.6 0.604 0.2745 1.0303 OES
2022-03-24 02:17:02.429 2459662.60 3.6 0.499 0.9660 0.9912 OES
2022-03-24 03:22:50.563 2459662.64 3.0 0.507 CCD700
2022-03-25 02:19:31.210 2459663.60 3.6 0.677 0.7103 0.9844 OES
2022-03-26 01:52:07.968 2459664.58 3.6 0.852 1.3852 0.9771 OES
2022-03-26 03:07:38.179 2459664.63 3.9 0.862 CCD700
2022-04-06 23:37:04.598 2459676.49 3.6 0.979 1.2042 0.8471 OES
2022-04-07 00:43:33.773 2459676.53 3.0 0.987 CCD700
2022-04-23 23:52:07.478 2459693.50 3.6 0.016 1.0740 0.8212 OES
2022-04-24 00:58:46.675 2459693.54 3.0 0.025 CCD700
2022-04-29 00:00:33.091 2459698.50 3.6 0.910 1.7754 0.9424 OES
2022-04-29 01:05:45.283 2459698.55 3.6 0.918 CCD700
2022-05-01 01:09:20.246 2459700.55 3.6 0.276 1.2073 0.9538 OES
2022-05-13 00:02:33.446 2459712.50 3.9 0.411 CCD700
2022-05-14 22:50:08.995 2459714.45 3.6 0.759 CCD700
2022-05-15 00:00:42.250 2459714.50 4.0 0.767 0.9778 1.0034 OES
2022-05-15 22:28:25.824 2459715.44 3.6 0.935 CCD700
2022-05-15 23:38:19.075 2459715.49 4.0 0.943 1.1321 0.9183 OES
2022-05-18 00:45:00.000 2459717.53 3.6 0.309 1.3393 1.0157 OES
2022-05-18 22:26:09.398 2459718.44 4.0 0.470 1.3948 1.0854 OES
2022-05-18 23:46:23.693 2459718.49 4.0 0.480 CCD700
2022-05-19 22:09:41.155 2459719.43 2.5 0.647 2.0245 1.1132 OES
2022-05-26 23:10:28.358 2459726.47 3.6 0.904 CCD700
2022-05-27 00:49:26.630 2459726.54 3.6 0.917 1.0351 1.1339 OES
2022-05-29 01:17:23.914 2459728.56 3.6 0.277 1.0850 1.1578 OES
2022-06-08 22:25:12.115 2459739.44 4.0 0.220 1.0454 1.3631 OES
2022-06-08 23:44:40.272 2459739.49 4.0 0.230 CCD700
2022-06-10 21:54:27.130 2459741.42 4.0 0.574 0.7523 1.3839 OES
2022-06-12 21:15:01.930 2459743.39 3.6 0.926 1.4870 1.3876 OES
2022-06-12 22:30:09.158 2459743.44 3.6 0.935 CCD700
2022-06-18 22:50:07.699 2459749.45 3.6 0.009 0.9884 1.1555 OES
2022-06-19 00:04:29.827 2459749.51 3.6 0.018 CCD700
2022-07-11 23:45:20.016 2459772.49 3.6 0.123 0.8856 2.4229 OES
2022-07-12 20:30:00.720 2459773.36 3.6 0.277 CCD700
2022-07-12 21:34:45.782 2459773.40 3.6 0.285 0.5233 2.6149 OES
2022-07-17 20:39:56.534 2459778.36 3.6 0.172 CCD700
2022-07-18 01:05:19.882 2459778.55 2.7 0.204 0.5409 2.1481 OES
2022-07-21 22:50:35.261 2459782.45 3.6 0.902 CCD700
2022-07-21 23:56:17.347 2459782.50 3.6 0.910 0.7003 1.7805 OES
2022-07-24 20:32:51.533 2459785.36 3.6 0.421 CCD700
2022-07-24 22:13:37.632 2459785.43 3.6 0.433 0.7921 1.5820 OES

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