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Physical properties of some short period eclipsing binary stars / Mahmoud Abdelfattah Mohamed Negm Eldin ; Supervised Shahinaz Mostafa Ali Yousef , Ahmed Essam Elsayed Mohammed

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mahmoud Abdelfattah Mohamed Negm Eldin , 2018Description: 102 P. : charts , facsimiles ; 25cmOther title:
  • الخصائص الفيزيائية لبعض النجوم المزدوجة الكسوفية قصيرة الدورة [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology Summary: We presented the physical properties of short period eclipsing binary systems by using the data obtained from Kepler Space Telescope. All the data were taken in wide band approaching to Johnson V filter. Since the spectroscopic data are not available, we used Wilson-Devinney code inside PHOEBE (v 0.031a) packages to determine the photometric mass ratio. We found the spectral types of the primary and secondary components of the binary systems from their effective temperatures according to the calibration of Morgan-Keenan (MK) (Drilling & Landolt 2002, Table 15.7). In our study we found two types of Eclipsing binaries W-UMa type and ELV type as they were obtained from the Roche Lobe geometry. Finally, we determined their absolute physical parameters by using different three methods (P. Harmanec (1988), Maceroni & Van{u2019}t Veer (1996), Gazeas & Niarchos (2006))
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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.2018.Ma.P (Browse shelf(Opens below)) Not for loan 01010110078129000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.01.M.Sc.2018.Ma.P (Browse shelf(Opens below)) 78129.CD Not for loan 01020110078129000

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

We presented the physical properties of short period eclipsing binary systems by using the data obtained from Kepler Space Telescope. All the data were taken in wide band approaching to Johnson V filter. Since the spectroscopic data are not available, we used Wilson-Devinney code inside PHOEBE (v 0.031a) packages to determine the photometric mass ratio. We found the spectral types of the primary and secondary components of the binary systems from their effective temperatures according to the calibration of Morgan-Keenan (MK) (Drilling & Landolt 2002, Table 15.7). In our study we found two types of Eclipsing binaries W-UMa type and ELV type as they were obtained from the Roche Lobe geometry. Finally, we determined their absolute physical parameters by using different three methods (P. Harmanec (1988), Maceroni & Van{u2019}t Veer (1996), Gazeas & Niarchos (2006))

Issued also as CD

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