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Study of cepheid variable stars using large photometric databases /

Mohammed Abdelsabour Abdellatif

Study of cepheid variable stars using large photometric databases / دراسة النجوم المتغيرة من النوع القيفاوى باستخدام قاعدة البيانات الفوتومترية Mohammed Abdelsabour Abdellatif ; Supervised Mohamed Saleh Elnawawy , Mohamed Abdelaziz Rassem , Mohamed Samir Aboelazm - Cairo : Mohammed Abdelsabour Abdellatif , 2005 - 114p : ill ; 30cm

Thesis (PH.D.) - Cairo University - Faculty Of Science - Department Of Astronomy and Meteorology

A brief account is given about the main properties of these variables with an indication on the physics of stellar pulsationThe rate of period variation for the sample members has been determined through the (O - C) values The correlation between the period change and both of the period and the amplitude variation has been discussed The importance of this investigation is to locate exactly location in the instability strip in the H - R diagram



Photometric databases Variable stars