The decline rate became faster on July 8 - 9 with 0.2mag/d,
but still be at bright state as previously reported.
Combining our data on July (1383 points), we performed preliminary
period analysis. The fourie analysis yields the strongest peak at
~0.0725 d, but the power is weak. The other candidates of 0.022 d or
its double are also seen.
More time-series observations are needed.
Regards,
Makoto Uemura, Ryoko Ishioka, Taichi Kato

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