Research Article

UBVRI Photometric Analysis of the Solar-Type Eclipsing Binary TYC 3034-299-1

Table 4

Synthetic curve parameters, TYC 3034-299-1.

ParametersValues

𝜆 B , 𝜆 V , 𝜆 R , 𝜆 I (nm)360, 440, 550, 640, 790
𝑥 b o l 1 , 2 , 𝑦 b o l 1 , 2 0.641, 0.641 0.246, 0.246
𝑥 1 I , 2 I , 𝑦 1 I , 2 I 0.541, 0.541 0.276, 0.276
𝑥 1 R , 2 R , 𝑦 1 R , 2 R 0.625, 0625, 0.289, 0.289
𝑥 1 V , 2 V , 𝑦 1 V , 2 V 0.794, 0.794 0.263, 0.263
𝑥 1 B , 2 B , 𝑦 1 B , 2 B 0.821, 0.821, 0.299, 0.299
𝑔 1 , 𝑔 2 0.32
𝐴 1 , 𝐴 2 0.5
Inclination (°) 8 9 . 6 ± 0 . 6
𝑇 1 , 𝑇 2 (K) 6 6 0 0 ± 5 0 0 , 6 6 9 5 ± 3 *
Ω 1 = Ω 2 2 . 7 6 4 5 ± 0 . 0 0 2 3
𝑞 ( 𝑚 2 / 𝑚 1 ) 0 . 4 7 7 7 ± 0 . 0 0 0 8
Fill-outs: 𝐹 1 = 𝐹 2 24%
𝐿 1 /( 𝐿 1 + 𝐿 2 )I 0 . 6 4 9 4 ± 0 . 0 0 0 5
𝐿 1 /( 𝐿 1 + 𝐿 2 )R 0 . 6 4 7 3 ± 0 . 0 0 0 9
𝐿 1 /( 𝐿 1 + 𝐿 2 )V 0 . 6 4 4 9 ± 0 . 0 0 0 9
𝐿 1 /( 𝐿 1 + 𝐿 2 )B 0 . 6 4 0 7 ± 0 . 0 0 0 7
𝐿 1 /( 𝐿 1 + 𝐿 2 )U 0 . 6 4 0 4 ± 0 . 0 0 0 7
𝐽 𝐷 𝑜 (days) 2 4 5 5 3 2 6 . 9 2 4 7 8 ± 0 . 0 0 0 0 5
Period (days) 0 . 3 9 5 0 1 4 ± 0 . 0 0 0 0 3 2
𝑟 1 , 𝑟 2 (pole) 0 . 4 3 0 0 ± 0 . 0 0 1 2 , 0 . 3 0 8 7 ± 0 . 0 0 1 7
𝑟 1 , 𝑟 2 (side) 0 . 4 6 0 0 ± 0 . 0 0 1 6 , 0 . 3 2 4 0 ± 0 . 0 0 2 2
𝑟 1 , 𝑟 2 (back) 0 . 4 9 2 7 ± 0 . 0 0 2 3 , 0 . 3 6 5 7 ± 0 . 0 0 4 1
SPOT parametersDark Spot
STAR 1
Latitude (°) 5 5 ± 1
Longitude (°) 5 1 . 3 ± 0 . 8
Spot radius (°) 2 4 . 8 6 ± 0 . 2 1
Spot temperature 5 4 6 8 ± 3 0

*All Errors are formal; here the error in 𝑇 2 is in relation to 𝑇 1 . We expect errors to 𝑇 1 to be on the order of ~500 K from the errors of our standard star determinations.