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The evolution of binary neutron star orbits due to the emission of gravitational waves / Zeinab Ahmed Mabrouk ; Supervised Mustafa Kamal Mahmoud Ahmed , Shahinaz Mostafa Ali Yousef , Walied Ali Ahmed Hassan Rahoma

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Zeinab Ahmed Mabrouk , 2017Description: 74 P. : charts , photographs ; 25cmOther title:
  • تطور مدارات النجوم النيوترونية المزدوجة نتيجة إنبعاث موجات التثاقل [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology Summary: We have applied the method derived by (imshennik and popov) of determination the elliptical orbits evolution due to gravitational wave emission on two different systems. The first is the Pre-supernova SN1987A, it was the same system that Imshennik and popov used. With the aid of mathematica programme, we got the same curves and conclusions; however we added some curves in order to ensure the gotten results. The second system was PSR1913+16 system. Our results for this system are highly comparable with the latest analysis for that system based on published timing observations from 1974 through 2006 (weisberg, nice and taylor, 2010). The most important results from our study are: Both our studied elliptical orbits shrink in size and become near circular at their late stages of evolution while the circular orbits don{u2019}t change its shape; and most of the energy is lost at high eccentricities near the periastron position
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.M.Sc.2017.Ze.E (Browse shelf(Opens below)) Not for loan 01010110073716000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.M.Sc.2017.Ze.E (Browse shelf(Opens below)) 73716.CD Not for loan 01020110073716000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology

We have applied the method derived by (imshennik and popov) of determination the elliptical orbits evolution due to gravitational wave emission on two different systems. The first is the Pre-supernova SN1987A, it was the same system that Imshennik and popov used. With the aid of mathematica programme, we got the same curves and conclusions; however we added some curves in order to ensure the gotten results. The second system was PSR1913+16 system. Our results for this system are highly comparable with the latest analysis for that system based on published timing observations from 1974 through 2006 (weisberg, nice and taylor, 2010). The most important results from our study are: Both our studied elliptical orbits shrink in size and become near circular at their late stages of evolution while the circular orbits don{u2019}t change its shape; and most of the energy is lost at high eccentricities near the periastron position

Issued also as CD

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