Fig. 6.
Pulsed fraction for the G2BB model, where the blackbody emission comes from two, antipodal “cap+ring” spots centered on the magnetic poles. The aperture of the hot cap (kT = 0.14 keV) is θc, 1 = 3°, while the colder (kT = 0.074 keV) ring extends from θc, 1 to θc, 2 = 36°. The considered energy range is 0.15–1.5 keV, and a compactness of M/R = 0.1 M⊙ km−1 has been assumed.
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