Regular and transitory showers of comet C/1979 Y1

We mapped the whole meteor shower complex of the long-period comet C/1979 Y1 (Bradfield). The modeled stream of the comet approaches the Earth's orbit in two filaments which correspond to two regular (annual) showers and in several other sections which survive only during a limited period (transitory showers). One of the regular predicted showers coresponds to the July Pegasids, No. 175 in the IAU MDC list of showers and one of the transitory filaments to the gamma-Bootids, shower No. 104.