PUBLICATION

<Refereed Journal>

--- Published or Accepted Papers ---

Lead-author Papers

[10] Kawashima, T. , Ohsuga, K., and Tokahashi, H.R,
'RAIKOU (来光): A General Relativistic Multi-wavelength Radiative Transfer Code', 2023, accepted for publication in ApJ

[9] Kawashima, T. , Ishiguro, S., Moritaka, T., Horiuchi, R., and Tomisaka, K.,
'Mushroom-instability-driven Magnetic Reconnections in Collisionless Relativistic Jets', 2022, ApJ, 928, 62

[8] Kawashima, T. , Toma, K., Kino, M., Akiyama, K., Nakamura, M., and Moriyama, K.,
'A Jet-Bases Emission Model of the EHT 2017 Image of M87*', 2021, ApJ, 909, 168

[7] Kawashima, T. , and Ohsuga, K.,
'Super-critical column-accretion onto strongly magnetized neutron stars in ULX pulsars', 2020, PASJ, 72, 15

[6] Kawashima, T. , Kino, M., and Akiyama, K.,
'Black Hole Spin Signature in Black Hole Shadow of M87 in Flaring State', 2019, ApJ, 878, 27

[5] Kawashima, T. , Matsumoto, Y., and Matsumoto, R.,
'A possible time-delayed brightening of the Sgr A* accretion flow after the pericenter passage of the G2 cloud', 2017, PASJ 69, 43

[4] Kawashima, T., Mineshge, S., Ohsuga, K., and Ogawa, T.,
'A radiation-hydrodynamics model of accretion columns for ultra-luminous X-ray pulsars', 2016, PASJ, 68, 83

[3] Kawashima, T., Ohsuga, K., Usui, R., Kawai, N., Negoro, H., and Matsumoto, R.,
'Reccurent Outbursts and Jet Ejections Expected in Swift J1644+57: Limit-Cycle Activities in a Supermassive Black Hole', 2013, PASJ, 65, L8-14

[2] Kawashima, T., Ohsuga, K., Mineshige, S., Yoshida, T., Heinzeller, D., and Matsumoto, R.,
'Comptonized Photon Spectra of Supercritical Black Hole Accretion Flows with Application to Ultraluminous X-Ray Sources', 2012, ApJ, 752, 18-29

[1] Kawashima, T., Ohsuga, K., Mineshige, S., Heinzeller, D., Takabe, H., and Matsumoto, R.,
'New Spectral State of Supercritical Accretion Flow with Comptonizing Outflow',
2009, PASJ, 61, 769-776

Co-author Papers

[55] Prather, B.S., et al. (273 authors including Kawashima, T.),
'Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration', 2023, accepted for publication in ApJ

[54] Ro, H., Kino, M., Sohn, B.W., Hada, K., et al. (52 authors including Kawashima, T.),
'Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet', 2023, accepted for publication in A & A

[53] Cheng, X., Cho, I., Kawashima, T., Kino, M., et al.,
'Monitoring the Size and Flux Density of Sgr A* during the Active State in 2019 with East Asian VLBI Network', 2023, Galaxies, 11, 46

[52] Ro, H., Yi, K., Cui, Y., Kino, M., Hada, K., Kawashima, T., Mizuno, Y., Sohn, M.W., and Tazaki, F.,
'Transverse Oscillations of the M87 Jet Revealed by KaVA Observations', 2023, Galaxies, 11, 33

[51] Jorstad, S., et al. (270 authors including Kawashima, T.),
'The Event Horizon Telescope Image of the Quasar NRAO 530', 2023, ApJ, 943, 170

[50] Yoshioka, S., Mineshige, S., Ohsuga, K., Kawashima, T. , and Kitaki, T.,
'Large-scale outflow structure and radiation properties of super-Eddington flow: Dependence on the accretion rates', 2022, PASJ, 74, 1378

[49] Tsunetoe, Y., Mineshige, S., Kawashima, T. , Ohsuga, K., Akiyama, K., and Takahashi, H.R.,
'Diverse Polarimetric Features of AGN Jets from Various Viewing Angles: Towards a Unified View', 2022, Galaxies, 10, 103

[48] Issaoun, S., et al. (268 authors including Kawashima, T.),
'Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope', 2022, ApJ, 934, 145

[47] Tsunetoe, Y., Mineshige, S., Kawashima, T. , Ohsuga, K., Akiyama, K., and Takahashi, H.R.,
'Investigating the Disk-Jet Structure in M87 through Flux Separation in the Linear and Circular Polarization Images', 2022, ApJ, 931, 25

[46] Broderick, A.E., et al. (267 authors including Kawashima, T.),
'Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI', 2022, ApJL, 930, L21

[45] Gerogiev, B., et al. (269 authors including Kawashima, T.),
'A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows', 2022, ApJL, 930, L20

[44] Wielgus, M., et al. (267 authors including Kawashima, T.),
'Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign', 2022, ApJL, 930, L19

[43] Farah, J., et al. (235 authors including Kawashima, T.),
'Selective Dynamical Imaging of Interferometric Data', 2022, ApJL, 930, L18

[42] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric' 2022, ApJL, 930, L17

[41] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole', 2022, ApJL, 930, L16

[40] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass', 2022, ApJL, 930, L15

[39] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole', 2022, ApJL, 930, L14

[38] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration', 2022, ApJL, 930, L13

[37] EHT Collaboration (including Kawashima, T.),
'First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way', 2022, ApJL, 930, L12

[36] Botella, I., Mineshige, S., Kitaki, T., Ohsuga, K., Kawashima, T. ,
'Structure of the super-Eddington outflow and its impact on the cosmological scale', 2022, PASJ, 74, 384

[35] Cho, I., Zhao, G.-Y., Kawashima, T., Kino, M., et al.,
'The Intrinsic Structure of Sagittarius A* at 1.3 cm and 7 mm', 2022, ApJ, 926, 108

[34] Satapathy, K., et al. (238 authors including Kawashima, T.),
'The Variability of the Black Hole Image in M87 at the Dynamical Timescale', 2021, ApJ, 925, 13

[33] Tsunetoe, Y., Mineshige, S., Ohsuga, K., Kawashima, T. , and Akiyama, K.,
'Polarization images of accretion flow around supermassive black holes: Imprints of toroidal field structure', 2021, PASJ, 73, 912

[32] Janssen, M., et al. (270 authors including Kawashima, T.),
'Event Horizon Telescope observations of the jet launching and collimation in Centaurus A', 2021, Nature Astronomy, 5, 1017

[31] Kocherlakota, P., et al. (237 authors including Kawashima, T.),
'Constraints on black-hole charges with the 2017 EHT observations of M87*', 2021, PRD, 103, 4047

[30] Narayan, R., et al. (240 authors including Kawashima, T.),
'The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole', 2021, ApJ, 912, 35

[29] Kitaki, T., Mineshige, S., Ohsuga, K., and Kawashima, T. ,
'The origins and impact of outflow from super-Eddington flow', 2021, PASJ 73, 450

[28] EHT MWL Science Working Group et al. (including Kawashima, T. as one of the primary authors),
'Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign', 2021, ApJL, 911, L11

[27] Goddi, C., et al. (250 authors including Kawashima, T.),
'Polarimetric Properties of Event Horizon Telescope Targets from ALMA', 2021, ApJL, 910, L14

[26] EHT Collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon', 2021, ApJL, 910, L13

[25] EHT Collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. VII. Polarization of The Ring', 2021, ApJL, 910, L12

[24] Psaltis, D., et al. (188 authors including Kawashima, T.),
'Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole', 2020, PRL, 125, 1104

[23] Wielgus, M., et al. (219 authors including Kawashima, T.),
'Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope', 2020, ApJ, 901, 67

[22] Kim, J-Y., et al. (353 authors including Kawashima, T.),
'Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution', 2020, A&A, 640, 69

[21] Gold, R., et al. (208 authors including Kawashima, T.),
'Verification of Radiative Transfer Schemes for the EHT', 2020, ApJ, 897, 148

[20] Broderick, A.E., et al. (194 authors including Kawashima, T.),
'THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope', 2020, ApJ, 897, 139

[19] Inoue, A., Ohsuga, K., and Kawashima, T.
'Pulsed fraction of super-critical column accretion flows on to neutron stars: Modeling of ultraluminous X-ray pulsars' 2020, PASJ, 72, 34

[18] Tsunetoe, Y., Mineshige, S., Ohsuga, K., Kawashima, T. , and Akiyama, K.,
'The polarization imaging in M87 jet by general relativistic radiative transfer simulation with GRMHD models' 2020, PASJ, 72, 32

[17] Roelofs, F., et al. (209 authors including Kawashima, T.),
'SYMBA: An end-to-end VLBI synthetic data generation pipeline. Simulating Event Horizon Telescope observations of M 87', 2019, A&A, 636, 5

[16] Matsumoto, Y., Asahina, Y., Kudoh, Y., Kawashima, T. , Matsumoto, J., Takahashi, R.H., Minoshima, T., Zenitani, S., Miyoshi, T., and Matsumoto, R.,
'Magnetohydrodynamic Simulation Code CANS+: Assessments and Applications', 2019, PASJ, 71, 83

[15] Porth, O., et al. (221 authors including Kawashima, T.),
'The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project', 2019, ApJS, 243, 26

[14] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole', 2019, ApJ 875, L6

[13] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring', 2019, ApJ 875, L5

[12] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole', 2019, ApJ 875, L4

[11] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. III. Data Processing and Calibration', 2019, ApJ 875, L3

[10] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. II. Array and Instrumentation', 2019, ApJ 875, L2

[9] EHT collaboration (including Kawashima, T.),
'First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole', 2019, ApJ 875, L1

[8] Kitaki, T., Mineshige, S., Ohsuga, K., and Kawashima, T. ,
'Systematic two-dimensional radiation hydrodynamic simulations of super-Eddington accretion flow and outflow: Comparison with the slim disk model', 2018, PASJ 70, 108

[7] Kobayashi, H., Ohsuga, K., Takahashi, H.R., Kawashima, T. , Asahina, Y., Takeuchi, S., and Mineshige, S.,
'Three-dimensional structure of clumpy outflow from supercritical accretion flow onto black holes', 2018, PASJ 70, 22

[6] Kitaki, T., Mineshige, S., Ohsuga, K., and Kawashima, T. ,
'Theoretical modeling of Comptonized X-ray spectra of super-Eddington accretion flow: origin of hard excess in ultraluminous X-ray sources', 2017, PASJ 69, 92

[5] Asahina, Y., Kawashima, T. , Furukawa, N., Enokiya, R., Yamamoto, H., Fukui, Y., and Matsumoto, R.,
'Magnetohydrodynamic Simulations of the Formation of Molecular Clouds toward the Stellar Cluster Westerlund 2: Interaction of a Jet with Clumpy Interstellar Medium', 2017, ApJ, 836, 213-223

[4] Ogawa, T., Mineshige, S., Kawashima, T. , Ohsuga, K., and Hashizume, K.,
'Radiation-hydrodynamic simulations of super-Eddington accretor as a model for ultra-luminous sources', 2017, PASJ, 69, 33

[3] Takahashi, H.R., Ohsuga, K., Kawashima, T., and Sekiguchi, Y.,
'Formation of Overheated Regions and Truncated Disks around Black Holes: Three Dimensional General Relativistic Radiation-Magnetohydrodynamic Simulations', 2016, ApJ, 826, 23

[2] Hashizume, K., Ohsuga, K., Kawashima, T., and Tanaka, M.,
'Radiation Hydrodynamics Simulations of Wide-angle Outflows from Super-critical Accretion Disks around Black Holes', 2015, PASJ, 67, 58

[1] Asahina, Y., Ogawa, T., Kawashima, T., Furukawa, N., Enokiya, R., Yamamoto, H., Fukui, Y., and Matsumoto, R.,
'Magneto-hydrodynamic Simulations of a Jet Drilling an HI Cloud: Shock Induced Formation of Molecular Clouds and Jet Breakup', 2014, ApJ, 789, 79-89

<White Paper>

[3] Haworth, K., Johnson, M.D., Pesce, D.W., Palumb, D.C.M., Blackburn, L., Akiyama, K., Boroson, D., Bouman, K.L., Farah, J.R., Fish, V.L., Honma, M., Kawashima, T., Kino, M., Raymond, A., Silver, M., Weintroub, J., Wielgus, M., Doeleman, S.S., Gomez, J.L., Kauffmann, J., Keating, G,K., Krichbaum, T.P., Koinard, L., Narayanan G., Doi, A., James D.J., Marrone, D.P., Mizuno, Y., Nagai, H.,
‘Studying black holes on horizon scales with space-VLBI (Astro2020 APC White Paper)’, 2019, arXiv:1909.01405

[2] Akiyama, K., Blackburn, L., Bower, G., Broderick, A., Deane, R., Dexter, J., Doeleman, S., Farah, J.R., Fish, V.L., Fromm, C.M., Gammie, C., Gold, R., Gomez, J.L., Janssen, M., Johnson, M.D., Kawashima, T., Loinard, L., Lonsdale, C., Marrone, D.P., Matthews, L.D., Mizuno, Y., Narayanan, G., Palumbo, D.C.M., Patel, N.A., Pesce, D.W., Raymond, A., Rezzolla, L., Roelofs, F., Tilanus, R., Weintroub, J., Wielgus, M., Yuan, F., Zhao, G., ‘Studying Black Holes on Horizon Scales with VLBI Ground Arrays (Astro2020 APC White Paper)’, 2019, arXiv:1909.01411

[1] Asada, K., Kino, M., Honma, M., Hirota, T., Lu, R.S., Inoue, M., Sohn, B.W., Shen, Z.Q., Ho, P.T.P, Akiyama, K., Algaba, J.C., An, T., Bower, G., Byun, D.Y., Dodson, R., Doi, A., Edwards, P.G., Fujisawa, K., Gu, M.F., Hada, K., Hagiwara, Y., Jaroenjittichai, P., Jung, T., Kawashima, T., Koyama, S., Lee, S.S., Matsushita, S., Nagai, H., Nakamura, M., Niinuma, K., Phillips, C., Park, J.H., Pu, H.Y., Ro, H.W., Stevens, J., Trippe, S., Wajima, K., Zhao, G.Y.,
'White Paper on East Asian Vision for mm/submm VLBI: Toward Black Hole Astrophysics down to Angular Resolution of 1 Rs', 2017, arXiv:1705.04776

<Proceedings>

[8] Kawashima, T., and Ohsuga, K.,
'A general relativistic radiative post-processor of hydrodynamic simulations',
2017, Proceedings of 2017 Annual Meeting, Japan Sciety of Fluid Mechanics

[7] Kawashima, T., Mineshige, S., Ohsuga, K., and Ogawa, T.,
'Radiation Hydrodynamic Simulations of Super-critical Accretion Columns onto Strongly Magnetized Neutron Stars',
2016, Proceedings of 2016 Annual Meeting, Japan Sciety of Fluid Mechanics

[6] Kawashima, T., Matsumoto, Y., and Matsumoto, R.,
'Observational Appearance of Hot Accretion Flows Interacting with Gas Clouds in 3D MHD simulations',
2015, Proceedings of 2015 Annual Meeting, Japan Sciety of Fluid Mechanics

[5] Kawashima, T., and Matsumoto, R.,
'Time Variation of Accretion Rates and Magnetic Fields via Interaction of Black Hole Accretion Flows with Gas Clouds',
2014, Plasma Conference 2014 Proceedings

[4] Kawashima, T., and Matsumoto, R.,
'Time-Variation of Accretion Rates by Interaction of Black Hole Accretion Flows with Gas Clouds',
2014, Proceedings of 2014 Annual Meeting, Japan Society of Fluid Mechanics

[3] Kawashima, T., Ogawa, T., Oda, H., and Matsumoto, R.,
'Quasi-Periodic Magnetic Reconnections durin a State Transition in Black Hole Accretion Flows',
2013, Proceedings of 2013 Annual Meeting, Japan Society of Fluid Mechanics

[2] Kawashima, T., Ohsuga, K., Mineshige, S., Heinzeller, D., Takabe, H., and Matsumoto, R.,
'New Spectral State of Supercritical Accretion Flow with Comptonizing Outflow --- Application to Bright ULXs',
2010, JAXA Special Publication, The Energetic Cosmos: from Suzaku to Astro-H, 306-307

[1] Kawashima, T., Ohsuga, K., Takabe, H., and Matsumoto, R.,
'Two-dimensional Radiation-hydrodynamic Simulations of Supercritical Accretion Flows with Comptonization',
2008, Proceedings of 2008 Annual Meeting, Japan Society of Fluid Mechanics, 387

<Thesis>

博士論文:'Radiation Hydrodynamic Models of Spectral Hardening in Supercritical Black Hole Accretion Flows though Compton Scattering'

修士論文:'Compton散乱を考慮した超臨界降着円盤の2次元輻射流体シミュレーション'