Follow
Shoko Koyama
Shoko Koyama
Academia Sinica Institute of Astronomy and Astrophysics
Verified email at asiaa.sinica.edu.tw - Homepage
Title
Cited by
Cited by
Year
First M87 event horizon telescope results. IV. Imaging the central supermassive black hole
K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, AK Baczko, D Ball, ...
The Astrophysical Journal Letters 875 (1), L4, 2019
35262019
First M87 event horizon telescope results. VI. The shadow and mass of the central black hole
K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, AK Baczko, D Ball, ...
The Astrophysical Journal Letters 875 (1), L6, 2019
11972019
First M87 event horizon telescope results. V. Physical origin of the asymmetric ring
K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, AK Baczko, D Ball, ...
The Astrophysical Journal Letters 875 (1), L5, 2019
10682019
First M87 Event Horizon Telescope Results. II. Array and Instrumentation
K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, AK Baczko, D Ball, ...
The Astrophysical Journal Letters 875 (1), L2, 2019
8742019
First m87 event horizon telescope results. iii. data processing and calibration
K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, AK Baczko, D Ball, ...
The Astrophysical Journal Letters 875 (1), L3, 2019
5932019
First M87 Event Horizon Telescope results. I. The shadow of the supermassive black hole
EHT Collaboration, K Akiyama, A Alberdi, W Alef, K Asada, R Azulay, ...
Astrophys. J. Lett 875 (1), L1, 2019
5452019
The event horizon general relativistic magnetohydrodynamic code comparison project
O Porth, K Chatterjee, R Narayan, CF Gammie, Y Mizuno, P Anninos, ...
The Astrophysical Journal Supplement Series 243 (2), 26, 2019
2512019
Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole
D Psaltis, L Medeiros, P Christian, F Özel, K Akiyama, A Alberdi, W Alef, ...
Physical Review Letters 125 (14), 141104, 2020
2412020
Parabolic Jets from the Spinning Black Hole in M87
M Nakamura, K Asada, K Hada, HY Pu, S Noble, C Tseng, K Toma, ...
The Astrophysical Journal 868 (2), 146, 2018
1442018
Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution
JY Kim, TP Krichbaum, AE Broderick, M Wielgus, L Blackburn, JL Gómez, ...
Astronomy & Astrophysics 640, A69, 2020
962020
Radio and γ-ray follow-up of the exceptionally high-activity state of PKS 1510−089 in 2011
M Orienti, S Koyama, F D'Ammando, M Giroletti, M Kino, H Nagai, ...
Monthly Notices of the Royal Astronomical Society 428 (3), 2418-2429, 2013
842013
THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope
AE Broderick, R Gold, M Karami, JA Preciado-López, P Tiede, HY Pu, ...
The Astrophysical Journal 897 (2), 139, 2020
772020
Monitoring the Morphology of M87* in 2009–2017 with the Event Horizon Telescope
M Wielgus, K Akiyama, L Blackburn, C Chan, J Dexter, SS Doeleman, ...
The Astrophysical Journal 901 (1), 67, 2020
752020
A strong radio brightening at the jet base of M 87 during the elevated very high energy gamma-ray state in 2012
K Hada, M Giroletti, M Kino, G Giovannini, F D'Ammando, CC Cheung, ...
The Astrophysical Journal 788 (2), 165, 2014
712014
Pilot KaVA monitoring on the M 87 jet: Confirming the inner jet structure and superluminal motions at sub-pc scales
K Hada, JH Park, M Kino, K Niinuma, BW Sohn, HW Ro, T Jung, ...
Publications of the Astronomical Society of Japan 69 (4), 2017
672017
Verification of Radiative Transfer Schemes for the EHT
R Gold, AE Broderick, Z Younsi, CM Fromm, CF Gammie, ...
The Astrophysical Journal 897 (2), 148, 2020
662020
VLBI observations of bright AGN jets with the KVN and VERA Array (KaVA): Evaluation of imaging capability
K Niinuma, SS Lee, M Kino, BW Sohn, K Akiyama, GY Zhao, ...
Publications of the Astronomical Society of Japan 66 (6), 2014
522014
The GENJI Programme: Gamma-Ray Emitting Notable AGN Monitoring by Japanese VLBI
H Nagai, M Kino, K Niinuma, K Akiyama, K Hada, S Koyama, M Orienti, ...
Publications of the Astronomical Society of Japan 65 (2), 24, 2013
302013
Evidence of non-thermal X-ray emission from radio lobes of Cygnus A
Y Yaji, MS Tashiro, N Isobe, M Kino, K Asada, H Nagai, S Koyama, ...
The Astrophysical Journal 714 (1), 37, 2010
272010
SYMBA: An end-to-end VLBI synthetic data generation pipeline-Simulating Event Horizon Telescope observations of M 87
F Roelofs, M Janssen, I Natarajan, R Deane, J Davelaar, H Olivares, ...
Astronomy & Astrophysics 636, A5, 2020
262020
The system can't perform the operation now. Try again later.
Articles 1–20