Orbital period of AY Lyr

Dear T. Kato,

I learned that you were looking for the orbital period of AY Lyr. According
to H. Ritter's "Catalog of Cataclysmic Binaries, Low-Mass X-Ray Binaries and
Related Objects" (5th edition) the period is 0.07340 days (obtained 
spectroscopally). In the same catalogue 0.07597 days are given as superhump
period. If you need further parameters of the AY Lyr system please let me
know.

Best regards,

Stefan Korth


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