The photometric solution of cc com by use of the |
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| Authors: | Hong-Nan Zhou |
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| Institution: | (1) Department of Astronomy, Nanjing University, Nanjing, China;(2) Present address: Department of Physics and Astronomy, University of Nebraska, Lincoln, Nebraska, USA |
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| Abstract: | The contact binary system CC Com ( =12h09m33s.8,  =+22°43 39 , (1950);V
max=11.31, (B-V)max=1.24) is a W UMa-type system with the shortest known period. The photometric solution of CC Com is presented using the Wilson and Devinney method. The results show that the CC Com belongs to the late-type eclipsing binary with the spectral type K5V and K6V, low temperatureT
1=4300 K,T
2=4265 K, the mass ratioq=0.5873±0.0021, and the inclinationi=87°.719±1°.44. The best regions of the gravity darkening exponents  , the bolomotric albedov, and the limb-darkening coefficients  are tested. It is found that 0.125 0.065, 0.1v0.5, =0.5 are better regions for CC Com. The third body ofl
3 is not found to be significant. The results are combined with the spectroscopic results of Rucinski to provide an estimate of the absolute parameters. |
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