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Table 4:

Results obtained from the X-ray spectral analysis of UGC 3142.

Instruments
Energy $\chi^{2}$ (d.o.f.) $\Gamma$ $N_{\rm H}$ $N_{\rm H}^1$ f1 $N_{\rm H}^2$ f2
  [keV]     [ $10^{20}\rm ~cm^{-2}$] [ $10^{22}\rm ~cm^{-2}$]   [ $10^{22}\rm ~cm^{-2}$]  

EPICa
0.3-10 1488 (1028) $0.9^{\rm +0.1}_{-0.1}$ $1.4^{\rm +0.1}_{-0.1}$ - - - -
EPICb 0.3-10 1080 (1027) $1.13^{\rm +0.04}_{-0.05}$ 0.19 $2.1^{\rm +0.1}_{-0.1}$ $0.92^{\rm +0.01}_{-0.01}$ - -
EPICc 0.3-10 994 (1022) $1.4^{\rm +0.1}_{-0.1}$ 0.19 $1.4^{\rm +0.2}_{-0.2}$ $0.92^{\rm +0.01}_{-0.02}$ $5^{\rm +1}_{-1}$ $0.57^{\rm +0.08}_{-0.09}$
(EPIC + ISGRI + BAT)c 0.3-110 1011 (1034) $1.5^{\rm +0.1}_{-0.1}$ 0.19 $1.4^{\rm +0.3}_{-0.4}$ $0.92^{\rm +0.02}_{-0.06}$ $4^{\rm +2}_{-1}$ $0.6^{\rm +0.2}_{-0.1}$

Notes. The data were modeled with an absorbed power law model (a), a power law absorbed by Galactic cold matter plus a layer of partially absorbing neutral material (b), and a power law absorbed by Galactic cold matter and two layers of partially absorbing neutral material, plus a Gaussian K$\alpha $ iron line (c). EPIC includes PN, MOS1 and MOS2 data.


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