Shadow of Kerr-Taub-NUT black hole

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...

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Published inAstrophysics and space science Vol. 344; no. 2; pp. 429 - 435
Main Authors Abdujabbarov, Ahmadjon, Atamurotov, Farruh, Kucukakca, Yusuf, Ahmedov, Bobomurat, Camci, Ugur
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Netherlands 01.04.2013
Springer Nature B.V
Subjects
Astrobiology
Astronomy
Astrophysics
Astrophysics and Astroparticles
Atoms & subatomic particles
Black holes
Cosmology
Gravity
Magnetic fields
Observations and Techniques
Original Article
Physics
Physics and Astronomy
Space Exploration and Astronautics
Space Sciences (including Extraterrestrial Physics
Shadow of Black hole
NUT spacetime
Photon motion
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Summary: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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ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-012-1337-6