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We present a new extensive analysis of the old problem of finding asatisfactory calibration of the relation between the geometric albedo and somemeasurable polarization properties of the asteroids. To achieve our goals, weuse all polarimetric data at our disposal. For the purposes of calibration, weuse a limited sample of objects for which we can be confident to know thealbedo with good accuracy, according to previous investigations of otherauthors. We find a new set of updated calibration coefficients for theclassical slope - albedo relation, but we generalize our analysis and weconsider also alternative possibilities, including the use of otherpolarimetric parameters, one being proposed here for the first time, and thepossibility to exclude from best-fit analyzes the asteroids having low albedos.We also consider a possible parabolic fit of the whole set of data.

On the calibration of the relation between geometric albedo and polarimetric properties for the asteroids