Non-Radial Pulsations of Distorted Stellar Structures: Effect of Mass Variation

Author:

Saini Seema1,Kumar Sunil2,Bhatt Vineet3,Bedi Pradeep4

Affiliation:

1. Department of Mathematics, Graphic Era Deemed to be University, Dehradun, Uttarakhand, India.

2. Department of Mathematics, Graphic Era Hill University, Dehradun, Uttarakhand, India.

3. Department of Mathematics, Chandigarh University, Mohali, Punjab, India.

4. Department of Computer Science and Engineering, Lingaya's Vidyapeeth, Faridabad, Haryana, India.

Abstract

Eigen-frequencies (EF) of non–radial modes (NRM) of pulsations of differentially rotating (D R) and tidally distorted (T D) stellar models by considering the effect of mass variation (MV) on its equi-potentials surfaces inside a star. The method utilizes an averaging proposal of Kippenhahn and Thomas (K and T) with conjunction of the concept of Roche-equipotential. The study accolades and corrects earlier studies of non-radial (NR) pulsations of DR and TD stellar structures of different natures such as radial and non-radial oscillations, X-ray, gamma ray and other electromagnetic disturbances. The reflection of the work comes from the requirements of the inclusion of non-uniform densities that yield Lane-Emden equation to have reliable results up to second order disturbances.

Publisher

International Journal of Mathematical, Engineering and Management Sciences plus Mangey Ram

Subject

General Engineering,General Business, Management and Accounting,General Mathematics,General Computer Science

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