Open Access

Table 1

Details of the observing runs.

Date UT (Epoch) Telescope Band UT start-end X Nobs texp (s) Γ pnr (ppth)
HAT-P-23 b
2019 Sep. 17 (3209) Jena Clear 20:08-23:31 1.21 → 1.73 211 45 1.05 1.51
2019 Oct. 15 (3232) Jena Clear 17:43-20:52 1.21 → 1.49 144 45 1.07 2.13
2020 Jul. 21 (3463) Trebur Clear 21:17-01:56 1.41 → 1.19 → 1.34 240 60 0.87 0.93
2020 Aug. 07 (3477) OSN150 R 20:32-01:15 1.40 → 1.07 → 1.16 761 20 2.68 0.99
2020 Oct. 14 (3533) OSN150 Clear 18:57-00:00 1.07 → 2.60 710 20 2.35 1.58
2021 Jul. 04 (3750) OSN90 Clear 23:15-03:27 1.28 → 1.07 → 1.16 422 30 1.67 0.91
2021 Jul. 09 (3754) Rozhen Clear 20:41-00:15 1.40 → 1.10 → 1.12 458 20 2.39 0.70
2021 Jul. 15 (3759) OSN90 Clear 21:41-02:24 1.52 → 1.07 → 1.12 474 30 1.67 1.03
2021 Aug. 01 (3773) OSN90 Clear 22:07-01:46 1.17 → 1.07 → 1.17 285 40 1.31 1.22
2021 Sep. 04 (3801) OSN150 Clear 20:09-00:56 1.14 → 1.07 → 1.47 677 20 2.35 0.65
KELT-1 b
2020 Oct. 11 (2649) OSN90 R 20:21-00:56 1.15 → 1.00 → 1.10 457 30 1.67 0.96
2020 Oct. 28 (2663) OSN90 R 20:36-02:08 1.03 → 1.00 → 1.57 549 30 1.67 0.82
2021 Sep. 01 (2916) OSN150 R 21:59-02:49 1.32 → 1.00 → 1.04 1002 15 3.47 0.80
2021 Sep. 29 (2939) OSN90 R 21:42-02:31 1.09 → 1.00 → 1.20 481 30 1.67 0.86
2021 Oct. 10 (2948) OSN90 R 20:42-01:34 1.12 → 1.00 → 1.16 242 30 1.67 0.79
KELT-16b
2019 Aug. 14 (1510) Torun Clear 20:05-00:28 1.17 → 1.07 → 1.18 508 27 2.00 1.48
2020 Jul. 22 (1864) OSN90 Clear 21:00-01:22 1.57 → 1.00 → 1.01 385 35 1.47 1.08
2020 Aug. 20 (1894) Trebur Clear 22:36-03:01 1.05 → 1.67 257 50 1.02 0.87
2020 Aug. 21 (1895) OSN90 Clear 21:24-01:45 1.08 → 1.00 → 1.19 337 40 1.31 0.70
2020 Aug. 22 (1896) OSN90 Clear 20:44-01:01 1.15 → 1.00 → 1.10 336 40 1.31 0.81
2020 Aug. 23 (1897) OSN90 Clear 19:48-00:19 1.30 → 1.00 → 1.05 353 40 1.31 0.72
2021 Aug. 30 (2281) OSN90 Clear 22:05-03:07 1.01 → 1.00 → 1.75 678 20 2.31 1.02
2021 Aug. 31 (2282) Trebur Clear 22:09-02:08 1.06 → 1.60 244 50 1.02 0.78
2021 Sep. 02 (2284) OSN150 R 20:00-00:51 1.15 → 1.00 → 1.17 639 25 2.20 0.90
2021 Oct. 04 (2317) OSN90 Clear 19:39-00:52 1.01 → 1.00 → 1.78 320 40 1.31 1.01
WASP-103 b
2019 May 31 (2351) OSN150 Clear 22:17-03:36 1.31 → 1.15 → 1.72 422 40 1.32 0.84
2019 Jun. 01 (2352) OSN150 Clear 20:55-02:30 1.69 → 1.15 → 1.38 398 40 1.19 0.92
Jena Clear 21:31-00:27 1.51 → 1.31 → 1.45 183 45 1.05 1.75
2019 Jun. 26 (2379) Trebur Clear 21:14-01:07 1.37 → 1.36 → 1.99 195 55 0.95 1.39
2019 Jun. 27 (2380) Rozhen Clear 19:17-23:19 1.28 → 1.21 → 1.55 463 26 1.93 0.86
2021 May 21 (3130) OSN150 R 23:45-03:15 1.20 → 1.15 → 1.39 230 50 1.15 1.82
2021 Jun. 03 (3144) OSN150 R 21:44-00:49 1.37 → 1.15 → 1.18 205 50 1.15 1.24
2021 Jul. 12 (3186) Rozhen Clear 19:01-23:16 1.23 → 1.21 → 1.97 597 20 2.39 0.71

Notes. Date UT is given for the beginning of an observing run. Epoch is the transit number from the initial ephemeris given in the discovery papers. X tracks the target’s air mass during a run. Nobs is the number of useful scientific exposures. texp is the exposure time used. Γ is the median number of exposures per minute. pnr is the photometric noise rate (Fulton et al. 2011) in parts per thousand (ppth) of the normalised flux per minute of observation.

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