Open Access

Table C.2

Transit times and deviations of the e, f, and g planets in the K2-138 system.

Planet Epoch TC-2450000 [BJD_TDB] O-C (min) Source
e 0 7740.6449 ± 0.0028 −1 ± 4 K2
1 7748.9067 ± 0.0032 −1 ± 5 K2
2 7757.1691 ± 0.0027 1±4 K2
3 7765.4292 ± 0.0032 −1 ± 5 K2
4 7773.6804 ± 0.0241 −16 ± 35 K2
5 7781.9516 ± 0.0050 −1 ± 7 K2
7 7798.4757 ± 0.0040 1±6 K2
8 7806.7375 ± 0.0027 1±4 K2
9 7815.0029 ± 0.0076 7 ± 11 K2
162 9078.9850 ± 0.0035 4±6 CHEOPS
163 9087.2384 ± 0.0082 −7 ± 12 CHEOPS
167 9120.2834 ± 0.0055 −8 ± 8 CHEOPS
f 0 7738.7032 ± 0.0089 −3 ± 15 K2
1 7751.4591 ± 0.0076 −4 ± 13 K2
2 7764.2184 ± 0.0043 0 ± 10 K2
3 7776.9743 ± 0.0061 −1 ± 11 K2
5 7802.4941 ± 0.0069 8 ± 12 K2
6 7815.2451 ± 0.0128 0 ± 20 K2
103 9052.6488 ± 0.0041 17 ± 13 CHEOPS
104 9065.3823 ± 0.0097 −16 ± 18 CHEOPS
105 9078.1351 ± 0.0035 −22 ± 13 CHEOPS
106 9090.9090 ± 0.0075 3 ± 16 CHEOPS
108 9116.4282 ± 0.0036 12 ± 13 CHEOPS
109 9129.1660 ± 0.0172 −15 ± 28 CHEOPS
g 0 7773.8541 ± 0.0044 −2 ± 7 K2
1 7815.8205 ± 0.0044 0±7 K2
10 8193.5155 ± 0.0084 8 ± 12 HU21
32 9116.7492 ± 0.0020 0±5 CHEOPS

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