KA
Kazunori Akiyama
astro-ph.HEastro-ph.IMastro-ph.GAastro-ph.COastro-ph.SRgr-qcastro-ph.EPcond-mat.dis-nncond-mat.supr-conModels, Theoretical
On Valency
published · living versionsW_zj5juagt·v1 · currentpublished
The Black Hole Explorer: Motivation and Vision
with Michael D. Johnson, Rebecca Baturin, Bryan Bilyeu, Lindy Blackburn +63
1 version
Preprints & journals
117 papers in the corpus · 2011–2026Observational Evidence of an Internal Shock Collision in the Relativistic Jet of the Nearby Radio Galaxy 3C 1112609.23410v1 · Kenzo Kawamura, Motoki Kino, Mareki Honma et al.2026 · 0 citationsarXiv
Optimal transport regularized dynamic radio interferometric reconstruction2608.27192v1 · Andy Nilipour, Kotaro Moriyama, Shiro Ikeda et al.2026 · 0 citationsarXiv
Resolving Nearby Supermassive Black Holes with the Black Hole Explorer2608.16983v1 · Yuto Akiyama, Kazunori Akiyama, Dominic W. Pesce et al.2026 · 0 citationsPubl. Astron. Soc. Pac. 138, 094102 (2026)
Black Hole Explorer Mission Development in Japan2608.00890v1 · Kazunori Akiyama, Mareki Honma, Akihiro Doi et al.2026 · 0 citationsSPIE Astronomical Telescopes + Instrumentation, 2026
Dynamics and geometry of the inner sub-parsec-scale jet in 3C 279 observed with the Event Horizon Telescope2607.16104v1 · Hendrik Mueller, Sebastiano D. von Fellenberg, Ai-Ling Zeng et al.2026 · 0 citationsarXiv
Broadband multiwavelength properties of the archetypal blazar 3C 279 during the 2017 Event Horizon Telescope campaign2606.25868v2 · G. Principe, J. C. Algaba, E. Aviano et al.2026 · 0 citationsA&A, 712, A224 (2026)
Full-polarization millimeter wavelength variability of Sagittarius A* during the 2018 EHT campaign2604.10287v1 · Ezequiel Albentosa-Ruiz, Jasmin E. Washington, Nicola Marchili et al.2026 · 1 citationAstronomy & Astrophysics 708 (2026) A179
Expanding the Horizon of Black Hole Imaging with AtLAST2602.04666v1 · Kazunori Akiyama, Mariafelicia De Laurentis, Ziri Younsi et al.2026 · 0 citationsarXiv
Locating the missing large-scale emission in the jet of M87* with short EHT baselines2601.13356v1 · Boris Georgiev, Paul Tiede, Sebastiano D. von Fellenberg et al.2026 · 1 citationA&A 709, A26 (2026)
Ring Asymmetry and Spin in M87*2601.00394v2 · Vadim Bernshteyn, Nicholas S. Conroy, Michi Baubock et al.2026 · 5 citationsApJ 1000 231 (2026)
Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations2512.08970v1 · Saurabh, Hendrik Muller, Sebastiano D. von Fellenberg et al.2025 · 4 citationsarXiv
Origin of the ring ellipticity in the black hole images of M87*2505.10333v1 · Rohan Dahale, Ilje Cho, Kotaro Moriyama et al.2025 · 4 citationsA&A 699, A279 (2025)
The putative center in NGC 10522501.08685v1 · Anne-Kathrin Baczko, Matthias Kadler, Eduardo Ros et al.2025 · 10 citationsA&A, 692, A205 (2024)
A multi-frequency study of sub-parsec jets with the Event Horizon Telescope2501.05518v1 · Jan Roder, Maciek Wielgus, Andrei P. Lobanov et al.2025 · 13 citationsA&A 695, A233 (2025)
Demographics of black holes at $<_{\rm g}$ scales: accretion flows, jets, and shadows2412.20276v1 · Dhanya G. Nair, Neil M. Nagar, Venkatessh Ramakrishnan et al.2024 · 2 citationsarXiv
First Very Long Baseline Interferometry Detections at 870{\mu}m2410.07453v1 · Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada et al.2024 · 33 citationsThe Astronomical Journal, Volume 168, Issue 3, id.130, 19 pp. 2024
Selective Dynamical Imaging of Interferometric Data2409.08321v1 · Joseph Farah, Peter Galison, Kazunori Akiyama et al.2024 · 32 citationsApJL, Volume 930, L18, 2022
AtLAST Science Overview Report2407.01413v2 · Mark Booth, Pamela Klaassen, Claudia Cicone et al.2024 · 4 citationsarXiv
The Black Hole Explorer Cryocooling Instrument2406.09975v1 · Hannah Rana, Kazunori Akiyama, Edgar Canavan et al.2024 · 8 citationsarXiv
Black Hole Spacetime and Properties of Accretion Flows and Jets Probed by Black Hole Explorer: Science Cases Proposed by BHEX Japan Team2406.09995v1 · Tomohisa Kawashima, Yuh Tsunetoe, Ken Ohsuga et al.2024 · 2 citationsarXiv
The Black Hole Explorer: Instrument System Overview2406.10143v1 · Daniel P. Marrone, Janice Houston, Kazunori Akiyama (3 et al.2024 · 15 citationsarXiv
The Japanese Vision for the Black Hole Explorer Mission2406.09516v1 · Kazunori Akiyama, Kotaro Niinuma, Kazuhiro Hada et al.2024 · 5 citationsProc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130922E, 2024 August 23
Receivers for the Black Hole Explorer (BHEX) Mission2406.09558v1 · C. Edward Tong, Kazunori Akiyama, Paul Grimes et al.2024 · 6 citationsProc. SPIE Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave
The Black Hole Explorer: Operating a Hybrid Observatory2406.09610v1 · Sara Issaoun, Kim Alonso, Kazunori Akiyama et al.2024 · 5 citationsProc. SPIE 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave, 130926P
The Black Hole Explorer: Motivation and Vision2406.12917v1 · Michael D. Johnson, Kazunori Akiyama, Rebecca Baturin et al.2024 · 91 citationsProceedings Volume 13092, Space Telescopes and Instrumentation 2024: Optical, Infrared, and Millimeter Wave; 130922D (2024)on Valency
The key science drivers for the Atacama Large Aperture Submillimeter Telescope (AtLAST)2405.20140v1 · Mark Booth, Pamela Klaassen, Claudia Cicone et al.2024 · 8 citationsarXiv
Broadband Multi-wavelength Properties of M87 during the 2018 EHT Campaign including a Very High Energy Flaring Episode2404.17623v3 · J. C. Algaba, M. Balokovic, S. Chandra et al.2024 · 35 citationsA&A 692, A140 (2024)
Ordered magnetic fields around the 3C 84 central black hole2402.00927v1 · G. F. Paraschos, J.-Y. Kim, M. Wielgus et al.2024 · 27 citationsIssue: A&A Volume 682, February 2024; Article number: L3; Number of pages: 15
Filamentary structures as the origin of blazar jet radio variability2311.01861v1 · Antonio Fuentes, Jos'e L. G'omez, Jos'e M. Mart'i et al.2023 · 50 citationsNature Astronomy 7 (2023) 1359
Precessing jet nozzle connecting to a spinning black hole in M87.37758892 · Cui, Yuzhu, Hada, Kazuhiro, Kawashima, Tomohisa et al.2023 · 113 citationsNature. 2023;621(7980):711-715
A search for pulsars around Sgr A* in the first Event Horizon Telescope dataset2308.15381v1 · Pablo Torne, Kuo Liu, Ralph P. Eatough et al.2023 · 15 citationsarXiv
Key Science Goals for the Next-Generation Event Horizon Telescope2304.11188v1 · Michael D. Johnson, Kazunori Akiyama, Lindy Blackburn et al.2023 · 139 citationsGalaxies 2023, 11(3), 61
A ring-like accretion structure in M87 connecting its black hole and jet.37100940 · Lu, Ru-Sen, Asada, Keiichi, Krichbaum, Thomas P et al.2023 · 155 citationsNature. 2023;616(7958):686-690
The Past and Future of East Asia to Italy: Nearly Global VLBI2303.14518v1 · Gabriele Giovannini, Yuzhu Cui, Kazuhiro Hada et al.2023 · 4 citationsGalaxies 2023 11(2) 49
Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration2303.12004v2 · Cora Prather, Jason Dexter, Monika Moscibrodzka et al.2023 · 24 citationsApJ, 950, 35, 2023
Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet2303.01014v1 · Hyunwook Ro, Motoki Kino, Bong Won Sohn et al.2023 · 25 citationsA&A 673, A159 (2023)
Super-Resolved Image of M87 Observed with East Asian VLBI Network2303.01048v1 · Fumie Tazaki, Yuzhu Cui, Kazuhiro Hada et al.2023 · 5 citationsGalaxies 2023, 11(2), 39
Enabling Transformational ngEHT Science via the Inclusion of 86 GHz Capabilities2302.05415v1 · Sara Issaoun, Dominic W. Pesce, Freek Roelofs et al.2023 · 20 citationsGalaxies 2023, 11(1), 28
The Event Horizon Telescope Image of the Quasar NRAO 5302302.04622v1 · Svetlana Jorstad, Maciek Wielgus, Rocco Lico et al.2023 · 29 citationsThe Astrophysical Journal 943:170 (2023)
The Haystack Telescope as an Astronomical Instrument2301.02713v1 · Jens Kauffmann, Ganesh Rajagopalan, Kazunori Akiyama et al.2023 · 8 citationsGalaxies 2023, 11, 9
Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)2212.07040v1 · Kazunori Akiyama, Juan-Carlos Algaba, Tao An et al.2022 · 16 citationsGalaxies 2022, 10(6), 113
Millimeter/submillimeter VLBI with a Next Generation Large Radio Telescope in the Atacama Desert2212.05118v3 · Kazunori Akiyama, Jens Kauffmann, Lynn D. Matthews et al.2022 · 8 citationsarXiv
Diverse Polarimetric Features of AGN Jets from Various Viewing Angles: Towards a Unified View2210.12162v1 · Yuh Tsunetoe, Shin Mineshige, Tomohisa Kawashima et al.2022 · 3 citationsGalaxies 2022, 10(5), 103
Unraveling Twisty Linear Polarization Morphologies in Black Hole Images2210.01218v2 · Razieh Emami, Angelo Ricarte, George N. Wong et al.2022 · 34 citationsarXiv
Resolving the inner parsec of the blazar J1924-2914 with the Event Horizon Telescope2208.01662v1 · Sara Issaoun, Maciek Wielgus, Svetlana Jorstad et al.2022 · 48 citationsThe Astrophysical Journal 934:145 (2022)
Unravelling the Innermost Jet Structure of OJ 287 with the First GMVA+ALMA Observations2205.00554v1 · Guang-Yao Zhao, Jose L. Gomez, Antonio Fuentes et al.2022 · 28 citationsApJ 932 (2022) 72
Investigating the Disk-Jet Structure in M87 through Flux Separation in the Linear and Circular Polarization Images2202.12904v2 · Yuh Tsunetoe, Shin Mineshige, Tomohisa Kawashima et al.2022 · 10 citationsarXiv
Collimation of the relativistic jet in the quasar 3C 2732112.12233v2 · Hiroki Okino, Kazunori Akiyama, Keiichi Asada et al.2021 · 37 citationsarXiv
The intrinsic structure of Sagittarius A* at 1.3 cm and 7 mm2112.04929v1 · Ilje Cho, Guang-Yao Zhao, Tomohisa Kawashima et al.2021 · 27 citationsarXiv
Event Horizon Telescope observations of the jet launching and collimation in Centaurus A2111.03356v1 · Michael Janssen, Heino Falcke, Matthias Kadler et al.2021 · 143 citationsNature Astronomy, July 2021, Volume 5, p. 1017-1028
Career total: 262 works. 117 are in this corpus.Showing the 50 most recent.
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