A test of an early-type contact binary model by comparing the relations obtained from theory with those from observations

作     者：SONG Fen HUANG RunQian 

作者机构：Department of AstronomyBeijing Normal UniversityBeijing 100875China National Astronomical Observatories/Yunnan ObservatoryChinese Academy of SciencesKunming 650011China Key Laboratory of the Structure and Evolution of Celestial ObjectsChinese Academy of SciencesKunming 650011China 

出 版 物：《Science China(Physics,Mechanics & Astronomy)》 (中国科学：物理学、力学、天文学（英文版）)

年 卷 期：2012年第55卷第2期

页      面：320-328页

核心收录：

学科分类：07[理学] 070401[理学-天体物理] 0704[理学-天文学] 

基　　金：supported by the National Natural Science Foundation of China (Grant No.10933002) 

主　　题：binaries： eclipsing stars： evolution stars： fundamental parameters stars： rotation 

摘      要：Contact binary systems,including massive,middle-mass and low-mass systems,have been *** is necessary to construct the evolutionary model for contact binary systems with all different *** model introduced by Huang,Song and Bi indicates some special and unique understandings of the physical processes occurring in the contact *** is necessary to test whether this model can be applied to the early-type contact *** best way to test a theoretical model is to know whether this model can explain the observational phenomena of such *** this aim,a comparison is performed for the relations of mass-luminosity,mass-radius,and the distribution in the HR diagram obtained from the model introduced by Huang et *** those from the astronomical observations.A good result is obtained by the *** means the model can be used in calculating the evolution of early-type contact binaries,and can explain the observational phenomena of such binaries.