An Extensive Photometric Investigation of the W UMa System DK Cyg

Table 3

Photometric solutions for DK Cyg.

Parameter	Binnendijk [6]	Paparo et al. [10]	Awadalla [9]	Baran et al. [11]
	5500	5500	5500	5500
(°)	80.59 ± 0.12	80.22 ± 0.21	80.83 ± 0.27	79.97 ± 0.06
=	0.32	0.32	0.32	0.32
=	0.5	0.5	0.5	0.5
(/)	0.306^*	0.306^*	0.306^*	0.306^*
=	2.4064 ± 0.002	2.4077 ± 0.005	2.3325 ± 0.004	2.3886 ± 0.001
	2.4794	2.4794	2.4794	2.4794
	2.2888	2.2888	2.2888	2.2888
(°K)	7500^*	7500^*	7500^*	7500^*
(°K)	6767 ± 4	6726 ± 7	6726 ± 9	6759 ± 2
pole	0.4696 ± 0.0007	0.4694 ± 0.0013	0.4861 ± 0.0014	0.4735 ± 0.0003
side	0.5091 ± 0.0010	0.5087 ± 0.0018	0.5328 ± 0.0021	0.5145 ± 0.0004
back	0.5400 ± 0.0013	0.5395 ± 0.0024	0.5716 ± 0.0029	0.5471 ± 0.0005
pole	0.2792 ± 0.0008	0.2789 ± 0.0014	0.2980 ± 0.0017	0.2835 ± 0.0003
side	0.2932 ± 0.0010	0.2929 ± 0.0017	0.3166 ± 0.0022	0.2985 ± 0.0004
back	0.3414 ± 0.0019	0.3407 ± 0.0034	0.3982 ± 0.0068	0.3522 ± 0.0008
Spot of star 1
Colatitude	130^*	130^*	130^*	130^*
Longitude	180^*	180^*	180^*	180^*
Spot radius	33.61 ± 0.230	30.74 ± 0.437	27.23 ± 1.14	35.014 ± 0.09
Temp. factor	0.796 ± 0.003	0.840 ± 0.007	0.924 ± 0.01	0.819 ± 0.001
Spot of star 2
Colatitude	120^*	120^*	120^*	120^*
Longitude	290^*	290^*	290^*	290^*
Spot radius	32.99 ± 3.60	29.42 ± 1.34	33.08 ± 1.24	29.44 ± 1.20
Temp. factor	1.01 ± 0.01	1.01 ± 0.01	1.17 ± 0.01	1.02 ± 0.002
	0.0229	0.02909	0.02458	0.0453

Not adjusted.