COMMUNICATIONS / MITTEILUNGEN

M.A. Soliman, M.A. Hamdy, B. Szeidl and L. Szabados

Photoelectric Observations of SZ Lyncis

No. 88 (Vol 10, Part 2)
Budapest, 1986

Abstract

1018 photoelectric observations of SZ Lyn obtained at Kottamia Observatories between 1984 and 1986 are reported. The long-period variation in time of maximum light discovered by van Genderen was investigated and the value of its period (P_B= 1173.5 days = 3.213 years) and semiamplitude (A= 0.00569 day = 491.6 sec) have been improved, and a secular change in the pulsation period (B=3x10^-12 day cycle^-1) has been found.

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