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Table 1

Summary of the ground-based transit follow-up observations.

Telescope Date Transit(a) Filter texp Duration(b) Nobs Aperture rms
[s] [min] [pix] [ppt]
LCOGT McD 2019-03-19 58 zs 100 234 110 18 1.25
MuSCAT2 2019-12-21 290 i 30 237 675 32 1.75
MuSCAT2 2019-12-21 290 zs 20 237 457 32 1.65
MuSCAT2 2020-01-02 300 r 18 254 823 32 2.45
MuSCAT2 2020-01-02 300 i 18 254 845 32 2.12
MuSCAT2 2020-01-02 300 zs 18 254 845 32 1.60
MuSCAT 2020-01-18 313 r 20 202 553 24 1.85
MuSCAT 2020-01-18 313 zs 20 202 551 26 1.11
LCOGT CTIO 2020-02-21 341 ip 60 224 145 20 1.56
LCOGT CTIO 2020-02-27 346 ip 60 229 145 19 1.58
LCOGT SAAO 2020-03-13 359 zs 100 230 101 16 1.10

Notes. (a) Transit number after the first transit observed by TESS. (b)Time-span of the observation.

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