BVR_cI_c Observations and Analysis of the Near-Contact Solar Type Eclipsing Binary, V530 Andromedae

Table 4

Light curve solution, V530 And.

Parameters	Values
𝜆𝑈, 𝜆𝐵, 𝜆𝑉, 𝜆𝑅, 𝜆𝐼 (nm)	360, 440, 550, 640, 790
𝑥bol1,2, 𝑦bol1,2	0.644, 0.643, 0.231, 0.160
𝑥1𝐼,2𝐼, 𝑦1𝐼,2𝐼	0.572, 0.647, 0.267, 0.183
𝑥1𝑅,2𝑅, 𝑦1𝑅,2𝑅	0.655, 0.735, 0.278, 0.165
𝑥1𝑉,2𝑉, 𝑦1𝑉,2𝑉	0.728, 0.797, 0.269, 0.108
𝑥1𝐵,2𝐵, 𝑦1𝐵,2𝐵	0.817, 0.853, 0.215, −0.018
𝑥1𝑈,2𝑈, 𝑦1𝑈,2𝑈	0.859, 0.855, 0.208, −0.209
𝑔1, 𝑔2	0.32
𝐴1, 𝐴2	0.5
Inclination (°)	87.1±0.2
𝑇1, 𝑇2 (K)	7000, 6499±2
Ω1, Ω2	2.63423, 2.662±0.001
𝑞(𝑚2/𝑚1)	0.3786±0.0003
Fill-outs: 𝐹1=𝐹2	100%, 98.97±0.72%
𝐿1/𝐿1+𝐿2𝐼	0.7687±0.0007
𝐿1/𝐿1+𝐿2𝑅	0.7790±0.0008
𝐿1/𝐿1+𝐿2𝑉	0.790±0.001
𝐿1/𝐿1+𝐿2𝐵	0.8064±0.0008
𝐿1/𝐿1+𝐿2𝑈	0.8140±0.0006
JDo (days)	55832.7468±0.0001
Period (days)	0.57680±0.00006
𝑟1, 𝑟2 (pole)	0.437±0.001, 0.273±0.005
𝑟1, 𝑟2 (point)	0.598±0.001, 0.35±0.02
𝑟1, 𝑟2 (side)	0.467±0.002, 0.284±0.006
𝑟1, 𝑟2 (back)	0.494±0.001, 0.313±0.009
	Cool Spot
Spot 1 on STAR 1
Colatitude (°)	64.1±0.3
Longitude (°)	1.1±0.2
Spot radius (°)	26.0±0.1
Spot 𝑇-factor	0.694±0.004
Spot 2 on STAR 1
Colatitude (°)	58±7
Longitude (°)	346±2
Spot radius (°)	26±1
Spot 𝑇-factor	0.92±0.01