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Table 2:

Different fits to the spectrum of IGR J01583+6713 during the outburst state.

Model
$\Gamma$ / kT $E_{\rm cyc,0}$ (keV) $E_{\rm cyc,1}$ (keV) Flux (10-10 erg cm-2 s-1) reduced $\chi^2$
power+cyclabs $2.13\pm 0.53$ $35.1\pm 2.1$ $65.8\pm 4.9$ $1.99\pm 0.42$ 0.989(5 d.o.f.)
bremss+cyclabs $35.2\pm 4.1$ keV $35.3\pm 1.6$ $67.9\pm 4.8$ $1.98\pm 0.41$ 0.828(5 d.o.f.)

Notes. Power implies a power law model, bremss implies a thermal bremsstrahlung model, cyclabs implies a resonant cyclotron absorption model. The hard X-ray fluxes in the range of 20-100 keV in different fits are also given.


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