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Fig. 2.

image

Spectrum of a 10 M black hole accreting at = 0.1 in Eddington luminosity units and Comptonised by a slab corona with τ = 1 and kTe = 100 keV. The pink line represents the unscattered component (i.e. the soft X-rays disc emission reaching the observer) while the coloured lines represent the different scattering order components as specified in the figure. The total spectrum observed at infinity (black line) is a power-law with a high energy cut-off.

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