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We present a semi-automatic procedure to obtain fundamental physicalparameters and distances of classical Be (CBe) stars, based on theBarbier-Chalonge-Divan (BCD) spectrophotometric system. Our aim is to applythis procedure to a large sample of CBe stars detected by the IPHAS photometricsurvey, to determine their fundamental physical parameters and to explore theirsuitability as galactic structure tracers. In this paper we describe themethodology used and the validation of the procedure by comparing our resultswith those obtained from different independent astrophysical techniques forsubsamples of stars in common with other studies. We also present a test casestudy of the galactic structure in the direction of the Perseus Galactic Arm,in order to compare our results with others recently obtained with differenttechniques and the same sample of stars. We did not find any significantclustering of stars at the expected positions of the Perseus and Outer GalacticArms, in agreement with previous studies in the same area that we used forverification.

Physical parameters of IPHAS-selected classical Be stars. (I. Determination procedure and evaluation of the results.)