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Table 1

Best-fit spectral parameters for the hard X-ray (3.5−10 keV) continuum of ESO 138−G1.

Parameter Model RD Model TD

Γa 1.8
Normb
NcH  −
Fd2−10 2.3 2.1
Le2−10 4.3 9.6
(d.o.f.)f 1.04(75) 1.14(73)

Notes. See Sect. 3.1 for details.

(†)

Spectral model: RD (reflection-dominated), TD (transmission-dominated);

(a)

photon index of primary continuum;

(b)

normalization of the reflection (RD) or absorbed power-law component (TD) (10-3 photons keV-1 cm-2 s-1 at 1 keV);

(c)

column density of the absorber (1023 cm-2);

(d)

2–10 keV flux (10-12 erg cm-2 s-1);

(e)

2–10 keV luminosity (1041 erg s-1);

(f)

reduced χ2 and number of degrees of freedom.

(‡)

Fixed value (see text for details).

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