Tim Johannsen, Ph.D.

Affiliations: 
2012 Physics University of Arizona, Tucson, AZ 
Area:
Astrophysics Physics
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"Tim Johannsen"
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Dimitrios Psaltis grad student 2012 University of Arizona
 (Testing general relativity in the strong-field regime with observations of black holes in the electromagnetic spectrum.)
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Publications

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Johannsen T, Wang C, Broderick AE, et al. (2016) Testing General Relativity with Accretion-Flow Imaging of Sgr A^{*}. Physical Review Letters. 117: 091101
Johannsen T, Broderick AE, Plewa PM, et al. (2016) Testing General Relativity with the Shadow Size of Sgr A^{*}. Physical Review Letters. 116: 031101
Fish VL, Johnson MD, Doeleman SS, et al. (2016) PERSISTENT ASYMMETRIC STRUCTURE of SAGITTARIUS A∗ on EVENT HORIZON SCALES Astrophysical Journal. 820
Broderick AE, Fish VL, Johnson MD, et al. (2016) MODELING SEVEN YEARS of EVENT HORIZON TELESCOPE OBSERVATIONS with RADIATIVELY INEFFICIENT ACCRETION FLOW MODELS Astrophysical Journal. 820
Johannsen T. (2016) Testing the no-hair theorem with observations of black holes in the electromagnetic spectrum Classical and Quantum Gravity. 33
Johannsen T. (2016) Sgr A∗ and general relativity Classical and Quantum Gravity. 33
García F, Ranea-Sandoval IF, Johannsen T. (2016) Magnetised accretion discs in Kerr spacetimes: II. Hot spots Astronomy and Astrophysics. 587
Johannsen T. (2014) X-ray probes of black hole accretion disks for testing the no-hair theorem Physical Review D - Particles, Fields, Gravitation and Cosmology. 90
Broderick AE, Johannsen T, Loeb A, et al. (2014) Testing the no-hair theorem with event horizon telescope observations of sagittarius A* Astrophysical Journal. 784
Johannsen T. (2013) Regular black hole metric with three constants of motion Physical Review D - Particles, Fields, Gravitation and Cosmology. 88
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