Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 79, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-019-7034-7
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Funding
- Silesian University [SGS/12/2019]
- Czech Science Foundation [14-37086G]
- Uzbekistan Ministry for Innovation Development [VA-FA-F-2-008, YFA-Ftech-2018-8]
- Abdus Salam International Centre for Theoretical Physics [OEA-NT-01]
- SU
- NUUz
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We study the optical properties of the Kehagias-Sfetsos (KS) compact objects, characterized by the Hoava parameter KS, in the presence of plasma, considering its homogeneous or power-law density distribution. The strong effects of both Hoava parameter KS and plasma on the shadow cast by the KS compact objects are demonstrated. Using the weak field approximation, we investigate the gravitational lensing effect. Strong dependence of the deflection angle of the light on both the Hoava and plasma parameter is explicitly shown. The magnification of image source due to the weak gravitational lensing is given for both the homogeneous and inhomogeneous plasma.
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