Effects from Periastron Advance of Eccentric Binary Stars |
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| Authors: | LI Jin ZHONG Yuan-Hong PAN Yu |
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| Institution: | 1. College of Physics, Chongqing University, Chongqing 400030, China;
2. College of Communication Engineering, Chongqing University, Chongqing 400030, China;
3. College of Mathmatic and Physics, Chongqing University of Posts and Telecommunications, Chongqing 400065, China |
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| Abstract: | In this paper, we discuss the coefficients of Gravitational waveform due to eccentric binaries periastron advance with evolved eccentricity. For the basic harmonic modes (n≤5), the frequency split and corresponding relative strengths in the spectrum are figured out. Taking the well known binary systems PSRB 1913+16 and PSRB 1534+12 as examples, we study the dominant harmonic and its frequency split caused by periastron advance in the spectra, and give an estimation of detectability for PSRB 1913+16 and PSRB 1534+12, which are the promising targets for space observatories of gravitational wave. |
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| Keywords: | eccentric binary stars frequency split periastron advance |
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