Spectrum 1: Santangelo et al. (1998)

Model:  
(1) low energy absorption, N_H, using wabs 
(2) power law continuum with photon index alpha1 for E < E_cutoff 
(3) high energy exponential cut-off multiplied by a powerlaw with 
photon index alpha2 for E > E_cutoff, i.e. f(E) = 
E^(-alpha2)*exp(-(E-E_cutoff)/E_folding) 
 
Parameters (Gaussian, see paper for Lorenzian values): 
N_H:        2.00(2)E22 cm^(-2) 
E_iron:     6.65(3) keV 
I_iron:     0.007(1) keV 
EQW_iron:   117 eV 
sigma_iron: 0.29(2) keV 
alpha1:     1.21(1) 
alpha2:     2.40(12) 
E_cutoff:   14.9(2) keV 
E_folding:  12.1(9) keV 
E_cyc:      27.9(5) keV 
sigma_cyc:  4.16(80) keV 
(chi_nu)^2: 1.6(255) 
No description available
Last modification date: Fri Aug 3 01:06:14 2007