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Table 1

Observing log of the X-ray monitoring campaign of Kepler-63.

Obs. date Obs ID Exposure time(a) Count rate(b)
[ksec] [cnts−1]
2014-09-28 0743460301(c) 27 0.0197 ± 0.0011
2019-05-05 0841230201 15.9 0.0169 ± 0.0020
2019-08-21 0841230301 15.7 0.0170 ± 0.0014
2019-10-31 0841230401 9.5 0.0185 ± 0.0022
2020-03-06 0841230501 5.7 0.0197 ± 0.0047

Notes. (a)Time of acquisition of each observation of the EPIC/pn detector, prior to the GTI cuts. (b)EPIC/pn count rate obtained from the source detection procedure in the energy band 0.2–2.0 keV. (c)Archival observation.

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