The photometric variations of the AP star HD34631 The photometric behavior in the uvby system of the Ap star HD34631 hasbeen reanalyzed on the basis of data collected over a time span of 16years. A more accurate value of the period is deduced: P = 2.20269+/-0.00004d. The lightcurves show a double-wave shape. The variationsare smallest in the v band.