Fig. 7.
Spectral model parameter variations as function of pulse phase. The crosses from the uppermost to the lowest panel show: (a) first cyclotron line energy (CRSF1), (b) first cyclotron line depth, (c) second cyclotron line energy (CRSF2), (d) second cyclotron line depth, (e) photon index, (f) blackbody temperature, (g) partial covering column density NH,2, (h) cutoff energy, and (i) folding energy. The gray line in each panel indicates the averaged pulse profile in the energy range 3–79 keV.
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