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Table 3

Variation parameters of XTE J1946+274 with flux, during decay of the 1998 yr outburst observed by BeppoSAX with HIGHECUT+BB continuum model.

Parameter 1998.10.09 1998.10.22 1998.11.08 1998.11.12 1998.11.22 1998.11.27

NH [1022 atoms cm-2]
Γ
Ecut [keV]
Efold [keV]
EFea [keV]
AFe [10-3 ph cm-2 s-1]
Ecyc [keV] 36.0e 38.0e
σcyc [keV] 4.0e 4.0e 4.0e
τ cyc b
kTbb [keV]
R bb c
F ab d
F unab d

/d.o.f. 1.065/599 1.104/151 0.971/283 0.91/173 0.888/63 0.894/212

Notes.

(a)

σFe = 0.01.

(b)

τcyc is the optical depth.

(c)

Rbb is the radius of the black body in km for the distance to the source D = 9.5 kpc.

(d)

The values of absorbed and unabsorbed fluxes in 0.1–120 keV energy range in units 10-9 erg/cm2/s.

(e)

This parameter was fixed.

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