[vsnet-newvar 8537] CRTS J175648.7+344360: SU UMa star with a very long orbital period?

[Taichi Kato]

CRTS J175648.7+344360: SU UMa star with a very long orbital period?

   ZTF data clearly indicate SU UMa-type outbursts.
During one superoutburst in 2018 Sep., ZTF recorded
several observations per night.  There were indeed
expected superhump variations but a period shorter than
4 hr is excluded.  I obtained a period of 0.255 d,
but uncertainty remains due to the small number of
observations.  Time-resolved photometry during
the next superoutburst is requested.