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Table 1

Final selection of data sets, with the raw number of observational data (frames) and our final selection after the cleaning process.

Telescope Filter Data (Frames) k σ

UTas (PLANET) I 86 (128) 2.4
Perth (PLANET) I 13 (15) 3.8
OGLE I 44 (68) 2.4
CTIO-Yale (μFUN) I 233 (285) 4.2
Danish (PLANET) R 51 (67) 3.2
Auckland (μFUN) (clear) 266 (334) 2.4

All data 693 (897)

Notes. The last column lists the adopted error-bar rescaling factors.

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