[vsnet-alert 2772] BZ UMa periodicity

[Taichi Kato <tkato>]

BZ UMa periodicity

Dear Colleagues,

    From the CCD time-series of BZ UMa on Mar. 12 (during the decline),
we have discovered prominent modulations with a period close to 0.030 d.
The amplitude of the signal is as large as 0.3 mag, the profile looking
double-wave.  Superposition of different periodicities is possible.
It is not clear whether this signal is related to the reported orbital
period (or potential superhumps).  The significant deviation from
the orbital period may suggest the modulation can be caused by the
intermediate polar-like, or QPO-like phenomenon.

Regards,
Taichi Kato,
Ouda team

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