Photometric variations of 46 Eridani and 210 G. Eridani

The photometric behavior in the uvby system of the Ap star 46 Eri is analyzed on the basis of new data. The revised period is P = 3.798777 + or - 0.000015 d. Knowledge of the accurate light-curve of 46 Eri makes it possible to refine data on the multiperiodic B5III variable star 210 G. Eri, which was used as a comparison for 46 Eri. Four periods, all of the order of four days, are found with P(1) = 3.9215 d standing out clearly. This value is very large compared to those of other mid-B variables.