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For determining distance and mass of pulsating stars a new, purelyphotometric method is described in which radial velocity observations are notneeded. The method is compared with the Baade-Wesselink method. As an examplethe RR Lyrae variable SU Dra is given.Comment: 9 pages, 4 figures, 4 tables. Accepted in Astronomy and Astrophysic

Distance and mass of pulsating stars from multicolour photometry and atmospheric models