The spectrum from an accretion disk
consisting of multiple blackbody components. For example, see Mitsuda et al.,
PASJ, 36, 741, (1984), Makishima et al., ApJ 308, 635, (1986).
par1
temperature at inner disk radius (keV)
norm
, where Rin is “an
apparent” inner disk radius, D the distance to the source, and θ the
angle of the disk (θ = 0 is face-on). On the correction factor between
the apparent inner disk radius and the realistic radius, see e.g., Kubota et
al. 1998, PASJ, 50, 667.