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Table 2

Main parameters of the corona of XTE J1118+480 during its outbursts.

Parameters Outburst Outburst
2000 2005

Lc: corona luminosity [erg s-1] 1.3 × 1036 9.0 × 1035
kTmax: maximum disk temperature [keV] 22.0 45.0
rin: inner disk radius [rg] 160.0 50.0
rin/Rc: inner disk/corona ratio 0.9 0.9
α: X-ray spectrum power-law index 1.75 1.78
Ec: X-ray spectrum cut-off [keV] 200 200
Bc: magnetic field [G] 2.6 × 104 1.1 × 105
ni,ne: plasma density [cm-3] 1.3 × 1011 2.4 × 1012

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