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Table 2

Best-fit parameters of the total spectrum and the different observations using the Comptonization model compps for the primary continuum and nthcomp for the UV-soft X-rays.

Obs. Γwc k Twc τwc k Thc yhc τhc Tbb,wc Tbb,hc Npexmon χ2/d.o.f.
(keV) (keV) (eV) (eV) ( ×  10-3)

Total 2.595 0.56 18.4 123 0.63 0.65 3.4 100 2.9 1387/690
Obs. 1 2.56 0.48 20.3 102 0.63 0.89 2.6 97 (f) 396/415
Obs. 2 2.55 0.54 19.3 122 0.63 0.66 2.7 95 (f) 510/415
Obs. 3 2.53 0.54 19.3 120 0.60 0.65 2.9 108 (f) 501/415
Obs. 4 2.60 0.56 17.1 164 0.54 0.42 3.2 102 (f) 500/415
Obs. 5 2.57 0.50 19.8 141 0.51 0.46 3.3 105 (f) 467/415
Obs. 6 2.54 0.59 18.5 108 0.66 0.78 2.9 116 (f) 518/415
Obs. 7 2.54 0.54 19.0 119 0.60 0.67 2.9 104 (f) 513/415
Obs. 8 2.52 0.52 20.0 78 0.64 1.05 2.6 114 (f) 494/415
Obs. 9 2.55 0.49 20.2 115 0.60 0.67 3.0 100 (f) 450/415
Obs. 10 2.53 0.53 19.7 102 0.67 0.84 2.6 108 (f) 409/415

Notes. The optical depth τwc of the warm corona is estimated from eqpair fits (see Appendix A).

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