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Table 4

Pulsation parameters determined by fitting of any periodic function on J, HK and L magnitudes in epochs before and after JD 2 446 352, i.e. out of and during obscuration events.

Out of obscuration events During obscuration events

P JD0 A N P JD0 A N
(days) (days) (mag) (days) (days) (mag)

J 2 442 250 0.67 2 442 259 0.73
H 2 442 241 0.58 2 442 244 0.70
K 2 442 232 0.56 2 442 228 0.57
L 2 442 250 0.39 2 442 217 0.45

Average 2 442 243  ±  4 2 442 237  ±  9

Notes. Averaged values of determined pulsation parameters are given in the last line (P – pulsation period; JD0 – starting epoch of maximum brightness; A – half peak-to-peak amplitude; N – number of bins).

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