Tim Johannsen, Ph.D. - Publications

Affiliations: 
2012 Physics University of Arizona, Tucson, AZ 
Area:
Astrophysics Physics

30 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2016 Johannsen T, Wang C, Broderick AE, Doeleman SS, Fish VL, Loeb A, Psaltis D. Testing General Relativity with Accretion-Flow Imaging of Sgr A^{*}. Physical Review Letters. 117: 091101. PMID 27610837 DOI: 10.1103/Physrevlett.117.091101  0.642
2016 Johannsen T, Broderick AE, Plewa PM, Chatzopoulos S, Doeleman SS, Eisenhauer F, Fish VL, Genzel R, Gerhard O, Johnson MD. Testing General Relativity with the Shadow Size of Sgr A^{*}. Physical Review Letters. 116: 031101. PMID 26849580 DOI: 10.1103/Physrevlett.116.031101  0.519
2016 Fish VL, Johnson MD, Doeleman SS, Broderick AE, Psaltis D, Lu RS, Akiyama K, Alef W, Algaba JC, Asada K, Beaudoin C, Bertarini A, Blackburn L, Blundell R, Bower GC, ... ... Johannsen T, et al. PERSISTENT ASYMMETRIC STRUCTURE of SAGITTARIUS A∗ on EVENT HORIZON SCALES Astrophysical Journal. 820. DOI: 10.3847/0004-637X/820/2/90  0.543
2016 Broderick AE, Fish VL, Johnson MD, Rosenfeld K, Wang C, Doeleman SS, Akiyama K, Johannsen T, Roy AL. MODELING SEVEN YEARS of EVENT HORIZON TELESCOPE OBSERVATIONS with RADIATIVELY INEFFICIENT ACCRETION FLOW MODELS Astrophysical Journal. 820. DOI: 10.3847/0004-637X/820/2/137  0.473
2016 Feroci M, Bozzo E, Brandt S, Hernanz M, Klis MVD, Liu L-, Orleanski P, Pohl M, Santangelo A, Schanne S, Stella L, Takahashi T, Tamura H, Watts A, Wilms J, ... ... Johannsen T, et al. The LOFT mission concept: a status update Proceedings of Spie. 9905: 1-20. DOI: 10.1117/12.2233161  0.685
2016 Soffitta P, Bellazzini R, Bozzo E, Burwitz V, Castro-Tirado AJ, Costa E, Courvoisier T, Feng H, Gburek S, Goosmann R, Karas V, Matt G, Muleri F, Nandra K, Pearce M, ... ... Johannsen T, et al. XIPE: the x-ray imaging polarimetry explorer Proceedings of Spie. 9905: 990515. DOI: 10.1117/12.2233046  0.336
2016 Johannsen T. Testing the no-hair theorem with observations of black holes in the electromagnetic spectrum Classical and Quantum Gravity. 33. DOI: 10.1088/0264-9381/33/12/124001  0.647
2016 Johannsen T. Sgr A∗ and general relativity Classical and Quantum Gravity. 33. DOI: 10.1088/0264-9381/33/11/113001  0.636
2016 García F, Ranea-Sandoval IF, Johannsen T. Magnetised accretion discs in Kerr spacetimes: II. Hot spots Astronomy and Astrophysics. 587. DOI: 10.1051/0004-6361/201527862  0.48
2014 Johannsen T. X-ray probes of black hole accretion disks for testing the no-hair theorem Physical Review D - Particles, Fields, Gravitation and Cosmology. 90. DOI: 10.1103/Physrevd.90.064002  0.634
2014 Broderick AE, Johannsen T, Loeb A, Psaltis D. Testing the no-hair theorem with event horizon telescope observations of sagittarius A* Astrophysical Journal. 784. DOI: 10.1088/0004-637X/784/1/7  0.724
2013 Johannsen T. Regular black hole metric with three constants of motion Physical Review D - Particles, Fields, Gravitation and Cosmology. 88. DOI: 10.1103/Physrevd.88.044002  0.579
2013 Johannsen T. Systematic study of event horizons and pathologies of parametrically deformed Kerr spacetimes Physical Review D - Particles, Fields, Gravitation and Cosmology. 87. DOI: 10.1103/Physrevd.87.124017  0.528
2013 Johannsen T. Inner accretion disk edges in a Kerr-like spacetime Physical Review D - Particles, Fields, Gravitation and Cosmology. 87. DOI: 10.1103/Physrevd.87.124010  0.606
2013 Johannsen T. A metric for testing the nature of black holes Journal of Physics: Conference Series. 410. DOI: 10.1088/1742-6596/410/1/012136  0.61
2013 Johannsen T. Photon rings around Kerr and Kerr-like black holes Astrophysical Journal. 777. DOI: 10.1088/0004-637X/777/2/170  0.559
2013 Johannsen T, Psaltis D. Testing the no-hair theorem with observations in the electromagnetic spectrum. IV. Relativistically broadened iron lines Astrophysical Journal. 773. DOI: 10.1088/0004-637X/773/1/57  0.7
2012 Johannsen T. Testing the no-hair theorem with Sgr A Advances in Astronomy. 2012. DOI: 10.1155/2012/486750  0.599
2012 Johannsen T, Psaltis D, Gillessen S, Marrone DP, Özel F, Doeleman SS, Fish VL. Masses of nearby supermassive black holes with very long baseline interferometry Astrophysical Journal. 758. DOI: 10.1088/0004-637X/758/1/30  0.634
2012 Bauböck M, Psaltis D, Özel F, Johannsen T. A ray-tracing algorithm for spinning compact object spacetimes with arbitrary quadrupole moments. II. Neutron stars Astrophysical Journal. 753. DOI: 10.1088/0004-637X/753/2/175  0.63
2012 Psaltis D, Johannsen T. A ray-tracing algorithm for spinning compact object spacetimes with arbitrary quadrupole moments. I. Quasi-kerr black holes Astrophysical Journal. 745. DOI: 10.1088/0004-637X/745/1/1  0.676
2012 Johannsen T. Testing general relativity in the strong-field regime with observations of black holes in the electromagnetic spectrum Publications of the Astronomical Society of the Pacific. 124: 1133-1134. DOI: 10.1086/668409  0.443
2011 Johannsen T, Psaltis D. Metric for rapidly spinning black holes suitable for strong-field tests of the no-hair theorem Physical Review D - Particles, Fields, Gravitation and Cosmology. 83. DOI: 10.1103/Physrevd.83.124015  0.714
2011 Psaltis D, Johannsen T. Sgr A*: The optimal testbed of strong-field gravity Journal of Physics: Conference Series. 283. DOI: 10.1088/1742-6596/283/1/012030  0.608
2011 Johannsen T, Psaltis D. Testing the no-hair theorem with observations in the electromagnetic spectrum. III. Quasi-periodic variability Astrophysical Journal. 726. DOI: 10.1088/0004-637X/726/1/11  0.699
2011 Johannsen T, Psaltis D. Testing the no-hair theorem with observations of black holes in the electromagnetic spectrum Advances in Space Research. 47: 528-532. DOI: 10.1016/J.Asr.2010.10.019  0.709
2010 Johannsen T, Psaltis D. Testing the no-hair theorem with observations in the electromagnetic spectrum. II. Black hole images Astrophysical Journal. 718: 446-454. DOI: 10.1088/0004-637X/718/1/446  0.717
2010 Johannsen T, Psaltis D. Testing the no-hair theorem with observations in the electromagnetic spectrum. I. Properties of a Quasi-Kerr spacetime Astrophysical Journal. 716: 187-197. DOI: 10.1088/0004-637X/716/1/187  0.726
2009 Johannsen T, Psaltis D, McClintock JE. Constraints on the size of extra dimensions from the orbital evolution of black-hole X-ray binaries Astrophysical Journal. 691: 997-1004. DOI: 10.1088/0004-637X/691/2/997  0.669
2009 Johannsen T. Constraints on the size of extra dimensions from the orbital evolution of the black-hole X-ray binary XTE J1118+480 Astronomy and Astrophysics. 507: 617-620. DOI: 10.1051/0004-6361/200912803  0.577
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