Dear Paul,
RZ Leo is almost certainly a dwarf nova of SU UMa type. The star is
slightly similar to HV Vir but has faint (short) outbursts. We have been
monitoring the star for more than five years and caught several outbursts,
but none has been photoelectrically observed which made it difficult
to confirm its nature. We are eagerly wating for the new outburst of this
object.
Regards,
Taichi Kato

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