Spelling suggestions: "subject:"double start -- orbits"" "subject:"double start -- órbits""
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Statistical study of the orbital elements of spectroscopic binary stars.Olowin, Ronald Paul January 1971 (has links)
A statistical study of the orbital elements of Spectroscopic Binary Systems is undertaken with attention given to the distribution of ω, the longitude of periastron, and the observed distribution of orbital eccentricities and periods. Selection effects are taken into account in both cases.
Test results indicate that the major non-uniformities previously found by other investigators for the distribution of u have been reduced or eliminated for certain categories of data. A positive correlation is discovered for the observed tabulation of periods and eccentricities.
The latter result is viewed with caution, due to certain criteria established in the analysis. / Science, Faculty of / Earth, Ocean and Atmospheric Sciences, Department of / Graduate
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The effects of spin-orbit coupling on gravitational wave uncertaintiesWainwright, C.L. 27 April 2007 (has links)
Paper discusses the expected uncertainty of orbital parameters of binary stars as measured by the space-based gravitational wave observatory LISA (Laser Interferometer Space Antenna) and how the inclusion of spin in the model of the binary stars affects the uncertainty. The uncertainties are found by calculating the received gravitational wave from a binary pair and then performing a linear least-squares parameter estimation. The case of a 1500 solar mass black hole that is 20 years from coalescing with a 1000 solar mass black hole--both of which are 50 x 10^6 light years away--is analyzed, and the results show that the inclusion of spin has a negligible effect upon the angular resolution of LISA but can increase the accuracy in mass and distance measurements by factors of 15 and 65, respectively.
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The Effects of Spin-Orbit Coupling on Gravitational Wave UncertaintiesWainwright, C. L. 27 April 2007 (has links)
Paper discusses the expected uncertainty of orbital parameters of binary stars as measured by the space-based gravitational wave observatory LISA (Laser Interferometer Space Antenna) and how the inclusion of spin in the model of the binary stars affects the uncertainty. The uncertainties are found by calculating the received gravitational wave from a binary pair and then performing a linear least-squares parameter estimation. The case of a 1500 solar mass black hole that is 20 years from coalescing with a 1000 solar mass black hole--both of which are 50 x 10^6 light years away--is analyzed, and the results show that the inclusion of spin has a negligible effect upon the angular resolution of LISA but can increase the accuracy in mass and distance measurements by factors of 15 and 65, respectively.
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The effects of spin-orbit coupling on gravitational wave uncertaintiesWainwright, C.L. January 2007 (has links)
Paper discusses the expected uncertainty of orbital parameters of binary stars as measured by the space-based gravitational wave observatory LISA (Laser Interferometer Space Antenna) and how the inclusion of spin in the model of the binary stars affects the uncertainty. The uncertainties are found by calculating the received gravitational wave from a binary pair and then performing a linear least-squares parameter estimation. The case of a 1500 solar mass black hole that is 20 years from coalescing with a 1000 solar mass black hole--both of which are 50 x 10^6 light years away--is analyzed, and the results show that the inclusion of spin has a negligible effect upon the angular resolution of LISA but can increase the accuracy in mass and distance measurements by factors of 15 and 65, respectively.
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