Image Details
Caption: Figure 5.
Phase-resolved and background-subtracted XIS (FI: black symbols below 10 keV, BI: gray symbols) and HXD (black symbols over 10 keV) spectra of 4U 1626−67 for phases ϕ = 0.000–0.125, 0.125–0.250, 0.250–0.375, 0.375–0.500, 0.500–0.625, 0.625–0.750, 0.750–0.875, and 0.875–1.000 from top to bottom, offset by multiples of 10 −2. Arrows denote the upper limit.
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