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Shadow of Kerr-Taub-NUT black hole

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Abstract

The shadow of a rotating black hole with nonvanishing gravitomagnetic charge has been studied. It was shown that in addition to the angular momentum of black hole the gravitomagnetic charge term deforms the shape of the black hole shadow. From the numerical results we have obtained that for a given value of the rotation parameter, the presence of a gravitomagnetic charge enlarges the shadow and reduces its deformation with respect to the spacetime without gravitomagnetic charge. Finally we have studied the capture cross section for massive particles by black hole with the nonvanishing gravitomagnetic charge.

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Acknowledgements

AA and BA acknowledge the Akdeniz University and TUBITAK/BIDEP foundation for supporting local hospitality during their stay in Antalya, Turkey. AA and BA thank the TIFR and IUCAA for the warm hospitality during their stay in Mumbai and Pune, India. This research is supported in part by the projects F2-FA-F113, FE2-FA-F134 of the UzAS and by the ICTP through the OEA-PRJ-29 projects. AA and BJ acknowledge the German Academic Exchange Service (DAAD) and the TWAS Associateship grants. This work was supported by Akdeniz University, Scientific Research Projects Unit.

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Correspondence to Ahmadjon Abdujabbarov.

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Abdujabbarov, A., Atamurotov, F., Kucukakca, Y. et al. Shadow of Kerr-Taub-NUT black hole. Astrophys Space Sci 344, 429–435 (2013). https://doi.org/10.1007/s10509-012-1337-6

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  • DOI: https://doi.org/10.1007/s10509-012-1337-6

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