Disentangling the stellar atmosphere and the focused wind in different accretion states of Cygnus X-1

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Table 1.

Results from the anticorrelation calculation for different components.

a	b	corr	Component
1.759	−0.503	−0.496	Hα stellar atmosphere
1.918	−0.609	−0.667	Hα CM ^(a) emission
1.305	−0.202	−0.407	He II stellar atmosphere
1.185	−0.122	−0.236	He II CM ^(a) emission
0.984	0.010	0.067	He I stellar absorption

Notes. The coefficients a and b are from the anticorrelation relation between the s-factors and the X-ray flux: s ≃ a + bF_X, and corr are the correlation parameters.

^(a)

Circumstellar matter, i.e, the focused wind.

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