Fig. 8.
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Corrections to the WD masses determined using zero temperature WD mass-radius relation (Nauenberg 1972) depending on the relative accretion column height hsh. Differences between WD masses found using hard X-ray observations (Suleimanov et al. 2019) and using optical methods are shown for four IPs. The mass correction (0.07 M⊙) obtained using tall PSR models (hsh = 0.25, Suleimanov et al. 2019) is shown with the dotted black line.
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