Multi-site, multi-year monitoring of the oscillating Algol-type eclipsing binary CT Herculis

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Table 5

Parameters of the simultaneous light curve solutions for CT Her, including their formal error.

Parameter	Model 71		Model 72
	Filter B	Filter V	Filter B	Filter V

i (°)	81.95 ± 0.01		81.75 ± 0.01
q	0.1413 ± 0.0004		0.1456 ± 0.0003
T₁ (K)	8700^a		8200^a
T₂ (K)	4651 ± 7		4489 ± 7
Ω₁	4.406 ± 0.006		4.426 ± 0.006
Ω₂^c	2.079		2.091
[L₁/(L₁ + L₂) ]	0.969	0.932	0.970	0.935
[L₂/(L₁ + L₂) ]	0.031	0.068	0.030	0.065
g₁	1.0^a		1.0^a
g₂	0.32^a		0.32^a
A₁	1.0^a		1.0^a
A₂	0.5^a		0.5^a
x₁^c	0.561^b	0.476^b	0.585^b	0.505^b
x₂^c	0.934^b	0.785^b	0.962^b	0.811^b

No. data	7960	2180	7960	2180
χ²	0.0160	0.0055	0.0163	0.0056

Notes.

^(a)

Adopted value.

^(b)

Van Hamme (1993) tables.

^(c)

x₁, x₂ are the limb darkening coefficients. Ω₂ is the dimensionless potential of the secondary component.

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