Fig. 7.

Pulse profiles in the 0.15–1.5 keV range in the case of emission from a hydrogen atmosphere model at two point-like polar caps with Teff = 0.5 MK and B = 4 × 1013 G (upper panel), and B = 6 × 1013 G (lower panel). We assumed ξ = 30°, χ = 35° and a compactness M/R = 0.1 M⊙ km−1. The vertical red line shows the phase expected for the radio peak.
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