査読論文

(共著含. うち筆頭著者12本, 責任著者14本)

  1. "A multifrequency study of sub-parsec jets with the Event Horizon Telescope"
    Roder, J., Wielgus, M., Lobanov, A.P., Krichbaum, T.P., Nair, D.G., Lee, S.-S., Ros, E., Fish, V.L., Blackburn, L., Chan, C.-K., Issaoun, S., Janssen, M., Johnson, M.D., Doeleman, S.S., Bower, G.C., Crew, G., Tilanus, R.P.J., Savolainen, T., Impellizzeri, V., Alberdi, A., Baczko, A.-K., Gómez, J.L., Lu, R.-S., Paraschos, G.F., Traianou, E., Goddi, C., Kim, D., Lisakov, M., Kovalev, Y.Y., Voitsik, P.A., Sokolovsky, K.V., EHT Collaboration, et al. Astronomy & Astrophysics , 695, 233 (2025)
  2. "First Mid-infrared Detection and Modeling of a Flare from Sgr A* "
    von Fellenberg, S.D., Roychowdhury, T., Michail, J.M., Sumners, Z., Sanger-Johnson, G., Fazio, G.G., Haggard, D., Hora, J.L., Philippov, A., Ripperda, B., Smith, H.A., Willner, S.P.Witzel, G., Zhang, S., Becklin, E.E., Bower, G.C., Chandra, S., Do, T., Garcia M.M., Gurwell, M.A., Ford, N.M., Hada, K., Markoff, S., Morris, M.R., Neilsen, J., Sabha, N.B. Seefeldt-Gail, B., The Astrophysical Journal Letters , 979, L20 (2025)
  3. "The persistent shadow of the supermassive black hole of M87: II. Model comparisons and theoretical interpretations"
    EHT Collaboration, Astronomy & Astrophysics , 693, 27 (2025)
  4. "M 87: A Cosmic Laboratory for Deciphering Black Hole Accretion and Jet Formation"
    Hada, K., Asada, K., Nakamura, M., Kino, M., The Astronomy & Astrophysics Review, 32, 5 (2024)
  5. "The putative center in NGC 1052"
    Baczko, A.-K., Kadler, M., Ros, E., Fromm, C.M., Wielgus, M., Perucho, M., Krichbaum, T.P., Balokovic, M., Blackburn, L., Chan, C.-K., Issaoun, S., Janssen, M., Ricci, L., EHT Collaboration et al. Astronomy and Astrophysics , 692, 205 (2024)
  6. "Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode"
    EHT Multi-wavelength Science Working Group et al. Astronomy and Astrophysics , 692, 140 (2024)
  7. "Discovery of Limb Brightening in the Parsec-scale Jet of NGC 315 through Global Very Long Baseline Interferometry Observations and Its Implications for Jet Models"
    Park, J., Zhao, G.-Y., Nakamura, M., Mizuno, Y., Pu, H.-Y., Asada, K., Takahashi, K., Toma, K., Kino, M., Cho, I., Hada, K., Edwards, P.G. Ro, H., Kam, M., Yi, K., Lee, Y., Koyama, S., Byun, D.-Y., Phillips, C., Reynolds, C., Hodgson, J.A., Lee, S.-S. The Astrophysical Journal Letters, 973, 45 (2024)
  8. "Mapping the Distribution of the Magnetic Field Strength along the NGC 315 Jet"
    Kino, M., Ro, H., Takahashi, M., Kawashima, T., Park, J., Hada, K., Cui, Y. The Astrophysical Journal , 973, 100 (2024)
  9. "First Very Long Baseline Interferometry Detections at 870 μm"
    Raymond, A. R., Doeleman, S. S., Asada, K., Blackburn, L., Bower, G. C., Bremer, M., Broguiere, D., Chen, M.-T. Crew, G. B., Dornbusch, S., Fish, V. L., García, R., Gentaz, O., Goddi, C., Han, C.-C., Hecht, M. H., Huang, Y.-D., Janssen, M., Keating, G. K., Koay, J. Y., Krichbaum, T. P., Lo, W.-P., Matsushita, S., Matthews, L. D., Moran, J. M., Norton, T. J., Patel, N., Pesce, D. W., Ramakrishnan, V., Rottmann, H., Roy, A. L., Sánchez, S., Tilanus, R. P. J., Titus, M., Torne, P., Wagner, J., Weintroub, J., Wielgus, M., Young, A., EHT Collaboration, et al., The Astronomical Journal , 168, 130 (2024)
  10. "Jet collimation and acceleration in the flat spectrum radio quasar 1928+738"
    Yi, K., Park, J., Nakamura, M., Hada, K., Trippe, S., Astronomy & Astrophysics , 688, 94 (2024)
  11. "Trigonometric parallax and proper motion of Sagittarius A* measured by VERA using the new broad-band back-end system OCTAVE-DAS"
    Oyama, To., Nagayama, T., Yamauchi, A., Sakai, D., Imai, H., Honma, M., Asakura, Y., Hada, K., Hagiwara, Y., Hirota, T., Jike, T., Kono, Y., Suzuki, S., Kobayashi, H., Kawaguchi, N., Publications of the Astronomical Society of Japan , 76, 163 (2024)
  12. "First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring"
    EHT Collaboration, The Astrophysical Journal Letters, 964L, 26 (2024)
  13. "First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring"
    EHT Collaboration, The Astrophysical Journal Letters, 964L, 25 (2024)
  14. "Ordered magnetic fields around the 3C 84 central black hole"
    Paraschos, G. F., Kim, J.-Y., Wielgus, M., Röder, J., Krichbaum, T. P., Ros, E., Agudo, I., Myserlis, I., Moscibrodzka, M., Traianou, E., Zensus, J. A., Blackburn, L., Chan, C.-K., Issaoun, S., Janssen, M., Johnson, M. D., Fish, V. L., EHT Collaboration, et al., Astronomy & Astrophysics , 682L, 3 (2024)
  15. "The persistent shadow of the supermassive black hole of M 87. I. Observations, calibration, imaging, and analysis"
    EHT Collaboration, Astronomy & Astrophysics , 681, 79 (2024)
  16. "A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set"
    Torne, P., Liu, K., Eatough, R. P., Wongphechauxsorn, J., Cordes, J. M., Desvignes, G., De Laurentis, M., Kramer, M., Ransom, S. M. Chatterjee, S., Wharton, R., Karuppusamy, R., Blackburn, L., Janssen, M., Chan, C. Crew, G. B., Matthews, L.D., Goddi, C., Rottmann, H., Wagner, J., Sanchez, S., Ruiz, I., Abbate, F., Bower, G. C., Salamanca, J. J., Gomez-Ruiz, A. I., Herrera-Aguilar, A., Jiang, W., Lu, R.-S. Pen, U.-L. Raymond, A. W., Shao, L., Shen, Z., Paubert, G., Sanchez-Portal, M., Kramer, C., Castillo, M., Navarro, S., John, D., Schuster, K.-F. Johnson, M. D., Rygl, K. L. J., EHT Collaboration, et al., The Astrophysical Journal , 959, 14 (2023)
  17. "Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes"
    Roelofs, F., Johnson, M. D. Chael, A., Janssen, M., Wielgus, M., Broderick, A. E., EHT Collaboration, et al., The Astrophysical Journal Letters, 957L, 21 (2023)
  18. "First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization"
    EHT Collaboration, The Astrophysical Journal Letters , 957L, 20 (2023)
  19. "Precessing jet nozzle connecting to a spinning black hole in M87"
    Cui, Y., Hada, K., Kawashima, T., Kino, M., Lin, W., Mizuno, Y., Ro, H., Honma, M., Yi, K., and 70 more coauthors, Nature , 621, 711 (2023)
  20. "RadioAstron discovery of a mini-cocoon around the restarted parsec-scale jet in 3C 84"
    Savolainen, T., Giovannini, G., Kovalev, Y. Y., Perucho, M., Anderson, J. M., Bruni, G., Edwards, P. G., Fuentes, A., Giroletti, M., Gómez, J. L., Hada, K., Lee, S. -S., Lisakov, M. M., Lobanov, A. P., Lopez-Miralles, J., Orienti, M., Petrov, L., Plavin, A. V., Sohn, B. W., Sokolovsky, K. V., Voitsik, P. A., Zensus, J. A., Astronomy & Astrophysics , 676, 114 (2023)
  21. "Probing the Heart of Active Narrow-line Seyfert 1 Galaxies with VERA Wideband Polarimetry"
    Takamura, M., Hada, K., Honma, M., Oyama, T., Yamauchi, A., Suzuki, S., Hagiwara, Y., Orienti, M., D'Ammando, F., Park, J., Kam, M., Doi, A. The Astrophysical Journal , 952, 47 (2023)
  22. "RadioAstron Space VLBI Imaging of the jet in M87: I. Detection of high brightness temperature at 22 GHz"
    Kim, J.-Y., Savolainen, T., Voitsik, P., Kravchenko, E.V., Lisakov, M.M., Kovalev, Y.Y., Muller, H., Lobanov, A.P., Sokolovsky, K.V., Bruni, G., Edwards, P.G., Reynolds, C., Bach, U., Gurvits, L.I., Krichbaum, T.P., Hada, K., Giroletti, M., Orienti, M., Anderson, J.M., Lee, S.-S., Sohn, B.W., Zensus, J.A., The Astrophysical Journal , 952, 34 (2023)
  23. "Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration"
    Prather, B.S., EHT Collaboration, et al. The Astrophysical Journal , 950, 35 (2023)
  24. "Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet"
    Ro, H., Kino, M., Sohn, B.-W., Hada, K., Park, J., Nakamura, M., Cui, Y., Yi, K., Chung, A., Hodgson, J., Kawashima, T., An, T., Trippe, S., Algaba, J.-C., Kim, J.-Y., Sawada-Satoh, S., Wajima, K., Shen, Z.-Q, Cheng, X., Cho, I., Jiang, W., Jung, T., Lee, J.-W., Niinuma, K., Oh, J., Tazaki, F., Zhao, G.-Y., Akiyama, K., Honma, M., Lee, J.A., Lu, R.-S., Zhang, Y., Asada, K., Cui, L., Hagiwara, Y., Hirota, T., Kawaguchi, N., Koyama, S., Lee, S.-S., Oh, S.-J., Sugiyama, K., Takamura, M., Wang, X., Hwang, J.-Y., Jung, D.-K., Kim, H.-R., Kim, J.-S., Kobayashi, H., Oh, C.-S., Oyama, T., Roh, D.-G., Yeom, J.-H., Astronomy & Astrophysics , 673, 159 (2023)
  25. "Multiwavelength astrophysics of the blazar OJ 287 and the project MOMO"
    Komossa, S., Kraus, A., Grupe, D., Parker, M.L., Gonzalez, A., Gallo, L.C., Gurwell, M.A., Laine, S., Yao, S., Chandra, S., Dey, L., Gómez, J.L., Hada, K., Haggard, D., Hollett, A.R., Jermak, H., Jorstad, S., Krichbaum, T.P., Markoff, S., McCall, C., Astronomical Nachrichten , 344, 20220126 (2023)
  26. "A ring-like accretion structure in M87 connecting its black hole and jet"
    Lu, R.-S., Asada, K., Krichbaum, T., Park, J., Tazaki, F., Pu., H.-Y., Nakamura, M., Lobanov, A., Hada, K., Akiyama, K., Kim, J.-Y., Marti-Vidal, I., et al., Nature , 616, 686 (2023)
  27. "The Past and Future of East Asia to Italy: Nearly Global VLBI"
    Giovannini, G., Cui, Y., Hada, K., Yi, K., Ro, H., Sohn, B.W., Takamura, M., Buttaccio, S., D'Ammando, F., Giroletti, M., Hagiwara, Y., Kino, M., Kravchenko, E., Maccaferri, G., Melnikov, A., Niinuma, K., Orienti, M., Wajima, K., Akiyama, K., Doi, A., Byun, D.-Y., Hirota, T., Honma, M., Jung, T., Kobayashi, H., Koyama, S., Melis, A., Migoni, C., Murata, Y., Nagai, H., Sawada-Satoh, S., Stagni, M., Galaxies , 11, 49 (2023)
  28. "Super-Resolved Image of M87 Observed with East Asian VLBI Network"
    Tazaki, F., Cui, Y., Hada, K., Kino, M., Cho, I., Zhao, G.-Y. Akiyama, K., Mizuno, Y., Ro, H., Honma, M., Lu, R.-S., Shen, Z.-Q., Cui, L., Yonekura, Y., Galaxies , 11, 39 (2023)
  29. "Transverse Oscillations of the M87 Jet Revealed by KaVA Observations"
    Ro. H., Yi, K., Cui, Y., Kino, M., Hada, K., Kawashima, T., Mizuno, Y., Sohn, B.-W., Tazaki, F., Galaxies , 11, 33 (2023)
  30. "The Event Horizon Telescope Image of the Quasar NRAO 530"
    Jorstad, S., EHT Collaboration, et al., The Astrophysical Journal , 943, 170 (2023)
  31. "Millimeter/Submillimeter VLBI with a Next Generation Large Radio Telescope in the Atacama Desert"
    Akiyama, K., Kauffmann, J., Matthews, L.D., Moriyama, K., Koyama., S., Hada, K., Galaxies , 11, 1 (2023)
  32. "Demonstration of Ultrawideband Polarimetry Using VLBI Exploration of Radio Astrometry (VERA)"
    Hagiwara, Y., Hada, K., Takamura, M., Oyama, T., Yamauchi, A., Suzuki, S., Galaxies , 10, 114 (2022)
  33. "Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)"
    EAVN Collaboration, et al., Galaxies , 10, 113 (2022)
  34. "Multifrequency VLBI Observations of the M84 Inner Jet/Counterjet"
    Wang, X., Jiang, W., Shen, Z.-Q., Huang, L., Hada, K., Cui, Y.-Z., Lu, R.-S., The Astrophysical Journal , 941, 140 (2022)
  35. "Collimation of the Relativistic Jet in the Quasar 3C 273"
    Okino, H., Akiyama, K., Asada, K., Gomez, J.-L., Hada, K., Honma, M., Krichbaum, T.P., Kino, M., Nagai, H., Bach, U., Blackburn, L., Bouman, K.L., Chael, A., Crew, G.B., Doeleman, S.S., Fish, V.L., Goddi, C., Issaoun, S., Johnson, M.D., Jorstad, S., Koyama, S., Lonsdale, C.J., Lu, R.-S., Martí-Vidal, I., Matthews, L.D., Mizuno, Y., Moriyama, K., Nakamura, M., Pu, H.-Y., Ros, E., Savolainen, T., Tazaki, F., Wagner, J., Wielgus, M., Zensus, A., The Astrophysical Journal , 940, 65 (2022)
  36. "Implications from the Velocity Profile of the M87 Jet: A Possibility of a Slowly Rotating Black Hole Magnetosphere"
    Kino, M., Takahashi, M., Kawashima, M., Park, J., Hada, K., Ro, H., Cui, Y., The Astrophysical Journal , 939, 83 (2022)
  37. "Magnetic Reconnection in Black Hole Magnetospheres: Lepton Loading into Jets, Superluminal Radio Blobs, and Multiwavelength Flares"
    Kimura, S., Toma, K., Noda, H., Hada, K., The Astrophysical Journal Letters , 937, L34 (2021)
  38. "Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope"
    Issaoun, S., EHT Collaboration, et al., The Astrophysical Journal , 934, 145 (2022)
  39. "Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI"
    Broderick, A., EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L21 (2022)
  40. "A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows"
    Georgiev, B., EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L20 (2023)
  41. "Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign"
    Weilgus, M., EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L19 (2023)
  42. "Selective Dynamical Imaging of Interferometric Data"
    Farah, J., EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L18 (2022)
  43. "First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L17 (2022)
  44. "First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L16 (2022)
  45. "First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L15 (2022)
  46. "First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L14 (2022)
  47. "First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L13 (2022)
  48. "First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 930, L12 (2022)
  49. "Multiwavelength study of the gravitationally lensed blazar QSO B0218+357 between 2016 and 2020."
    MAGIC Collaboratioin, D'Ammando, F., Barnacka, A., Sahu, D. K., Hodges, M., Hovatta, T., Kiehlmann, S., Max-Moerbeck, W., Readhead, A. C. S., Reeves, R., Pearson, T. J., Lahteenmaki, A., Bjorklund, I., Tornikoski, M., Tammi, J., Suutarinen, S., Hada, K., Niinuma, K. Monthly Notices of the Royal Astronomical Society , 510, 2344 (2022)
  50. "The Intrinsic Structure of Sagittarius A* at 1.3 cm and 7 mm"
    Cho, I., Zhao, G.-Y., Kawashima, T., Kino, M., Akiyama, K., Johnson, M. D., Issaoun, S., Moriyama, K., Cheng, X., Algaba, J.-C., Jung, T., Sohn, B. W., Krichbaum, T. P., Wielgus, M., Hada, K., Lu, R.-S., Cui, Y., Sawada-Satoh, S., Shen, Z., Park, J., Jiang, W., Ro, H., Yi, K., Wajima, K., Lee, J. W., Hodgson, J., Tazaki, F., Honma, M., Niinuma, K., Trippe, S., An, T., Zhang, Y., Lee, J. A., Oh, S.-J., Byun, D.-Y., Lee, S.-S., Kim, J.-Y., Oh, J., Koyama, S., Asada, K., Wang, X., Cui, L., Hagiwara, Y., Nakamura, M., Takamura, M., Hirota, T., Sugiyama, K., Kawaguchi, N., Kobayashi, H., Oyama, T., Yonekura, Y., Kim, J., Hwang, J.-Y., Jung, D.-K., Kim, H.-R., Kim, J.-S., Oh, C.-S., Roh, D.-G., Yeom, J.-H., Xia, B., Zhong, W., Li, B., Zhao, R., Wang, J., Liu, Q., Chen, Z., The Astrophysical Journal , 926, 108 (2022)
  51. "The Variability of the Black Hole Image in M87 at the Dynamical Timescale"
    Satapathy, K., Psaltis, D., Ozel, F., Medeiros, L., Dougall, S. T., Chan, C.-K., Wielgus, M., Prather, B. S., Wong, G. N., Gammie, C. F.,EHT Collaboration, et al., The Astrophysical Journal , 925, 13 (2021)
  52. "A Revised View of the Linear Polarization in the Subparsec Core of M87 at 7 mm"
    Park, J., Asada, K., Nakamura, M., Kino, M., Pu, H.-Y., Hada, K., Kravchenko, E. V., Giroletti, M., The Astrophysical Journal , 922, 180 (2021)
  53. "East Asian VLBI Network observations of active galactic nuclei jets: imaging with KaVA+Tianma+Nanshan"
    Cui, Y., Hada, K., Kino, M., Sohn, B.-W., Park, J., et al., Research in Astronomy & Astrophysics , 21, 205 (2021)
  54. "Morphological Transition of the Compact Radio Lobe in 3C 84 via the Strong Jet-Cloud Collision"
    Kino, M., Niinuma, K., Kawakatu, N., Nagai, H., Giovannini, G., Orienti, M., Wajima, K., D'Ammando, F., Hada, K., Giroletti, M., Gurwell, M., The Astrophysical Journal Letters , 920L, 24 (2021)
  55. "Testing the magnetic flux paradigm for AGN radio loudness with a radio-intermediate quasar"
    Chamani, W., Savolainen, T., Hada, K., Xu, M. H., Astronomy & Astrophysics , 652, 14 (2021)
  56. "Event Horizon Telescope observations of the jet launching and collimation in Centaurus A"
    Janssen, M., EHT Collaboration, et al., Nature Astronomy , 5, 1017 (2021)
  57. "X-ray spectral components of the blazar and binary black hole candidate OJ 287 (2005-2020)"
    Komossa, S., Grupe, D., Parker, M. L., Gómez, J. L., Valtonen, M. J., Nowak, M. A., Jorstad, S. G., Haggard, D., Chandra, S., Ciprini, S., Dey, L., Gopakumar, A., Hada, K., Markoff, S., Neilsen, J., Monthly Notices of the Royal Astronomical Society , 504, 5575 (2021)
  58. "Constraints on black-hole charges with the 2017 EHT observations of M87*"
    Kocherlakota, P., EHT Collaboration, et al., Physical Review D , 103, 4047 (2021)
  59. "The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole"
    Narayan, R., EHT Collaboration, et al., The Astrophysical Journal , 912, 35 (2021)
  60. "Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign"
    EHT Multi-wavelength Science Working Group, et al., The Astrophysical Journal Letters , 911, L11 (2021)
  61. "Polarimetric Properties of Event Horizon Telescope Targets from ALMA"
    Goddi, C., EHT Collaboration, et al., The Astrophysical Journal Letters , 910, L14 (2021)
  62. "First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 910, L13 (2021)
  63. "First M87 Event Horizon Telescope Results. VII. Polarization of the Ring"
    EHT Collaboration, et al., The Astrophysical Journal Letters , 910, L12 (2021)
  64. "Jet Collimation and Acceleration in the Giant Radio Galaxy NGC 315"
    Park, J., Hada, K., Nakamura, M., Asada, K., Zhao, G., Kino, M., The Astrophysical Journal , 909, 76 (2021)
  65. "Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole"
    Plastis, D., EHT Collaboration, et al., Physical Review Letters , 125, 141104 (2020)
  66. "Monitoring the Morphology of M87* in 2009-2017 with the Event Horizon Telescope"
    Wielgus, M., Akiyama, K., Blackburn, L., Chan, C.-K., Dexter, J., Doeleman, S.S., Fish, V.L., Issaoun, S., Johnson, M.D., Krichbaum, T.P., Lu, R.-S., Pesce, D.W., Wong, G.N., Bower, G.C., Broderick, A.E., Chael, A., Chatterjee, K., Gammie, C.F., Georgiev, B., Hada, K., EHT Collaboration, et al., The Astrophysical Journal , 901, 67 (2020)
  67. "Millimeter-VLBI Detection and Imaging of the Gravitationally Lensed Gamma-Ray Blazar JVAS B0218+357"
    Hada, K., Niinuma, K, Sitarek, J., Spingola, C., Hirano, A. The Astrophysical Journal , 901, 9 (2020)
  68. "The radio-loud narrow-line Seyfert 1 galaxy 1H 0323+342 in a galaxy merger"
    Doi, A., Kino, M., Kawakatu, N., Hada, K., Monthly Notices of the Royal Astronomical Society, , 496, 1757 (2020)
  69. "Linear polarization in the nucleus of M87 at 7 mm and 1.3 cm"
    Kravchenko, E., Giroletti, M., Hada, K., Meier, D.L., Nakamura, M., Park, J., Walker, R. C., Astronomy & Astrophysics , 637, 6 (2020)
  70. "The First VERA Astrometry Catalog"
    Hirota, T., Nagayama, T., Honma, M., Adachi, Y., Burns, R.A., Chibueze, J.O., Choi, Y.K., Hachisuka, K., Hada, K., Hagiwara, Y., Hamada, S., Handa, T., Hashimoto, M., Hirano, K., Hirata, Y., Ichikawa, T., Imai, H., Inenaga, D., Ishikawa, T., Jike, T., Kameya, O., Kaseda, D., Kim, J.S. Kim, J., Kim, M.K., Kobayashi, H., Kono, Y., Kurayama, T., Matsuno, M., Morita, A., Motogi, K., Murase, T., Nakagawa, A., Nakanishi, H., Niinuma, K., Nishi, J., Oh, Chung S., Omodaka, T., Oyadomari, M., Oyama, T., Sakai, D., Sakai, N., Sawada-Satoh, S., Shibata, K.M., Shizugami, M., Sudo, J., Sugiyama, K., Sunada, K., Suzuki, S., Takahashi, K., Tamura, Y., Tazaki, F., Ueno, Y., Uno, Y., Urago, R., Wada, K., Wu, Y.W., Yamashita, K., Yamashita, Y., Yamauchi, A., Yuda, A., Publications of the Astronomical Society of Japan , 878, 61 (2020)
  71. "SYMBA: An end-to-end VLBI synthetic data generation pipeline. Simulating Event Horizon Telescope observations of M 87"
    Roelof, F., EHT Collaboration, et al. Astronomy & Astrophysics, 636, 5 (2020)
  72. "Monitoring of the radio galaxy M 87 during a low-emission state from 2012 to 2015 with MAGIC"
    MAGIC Collaboration, Asano, K., Hada, K., Harris, D.E., Giroletti, M., Jermak, H.E., Madrid, J.P., Massaro, F., Richter, S., Spanier, F., Steele, I.A., Walker, R.C., Monthly Notices of the Royal Astronomical Society , 492, 5354 (2020)
  73. "The Two-sided Jet Structures of NGC 1052 at Scales from 300 to 4 × 107 Schwarzschild Radii"
    Nakahara, S., Doi, A., Murata, Y., Nakamura, M., Hada, K., Asada, K., Sawada-Satoh, S., Kameno, S., The Astronomical Journal , 159, 14 (2020)
  74. "Relativistic Jets from AGN Viewed at Highest Angular Resolution"
    Hada, K., Galaxies , 8, 1 (2019)
  75. "Kinematics of the M87 Jet in the Collimation Zone: Gradual Acceleration and Velocity Stratification"
    Park, J., Hada, K., Kino, M., Nakamura, M., Hodgson, J., Ro, H., Cui, Y., Asada, K., Algaba, J.C., Sawada-Satoh, S., Lee, S.-S., Cho, I., Shen, Z., Jiang, W., Trippe, S., Niinuma, K., Sohn, B.W., Jung, T., Zhao, G.-Y., Wajima, K., Tazaki, F., Honma, M., An, T., Akiyama, K., Byun, D.-Y., Kim, J., Zhang, Y., Cheng, X., Kobayashi, H., Shibata, K.M., Lee, J.W., Roh, D.-G. Oh, S.-J., Yeom, J.-H., Jung, D.-K., Oh, C., Kim, H.-R., Hwang, J.-Y., Hagiwara, Y., The Astrophysical Journal , 887, 147 (2019)
  76. "M87 black hole mass and spin estimate through the position of the jet boundary shape break"
    Nokhrina, E. E., Gurvits, L. I., Beskin, V. S., Nakamura, M., Asada, K., Hada, K., Monthly Notices of the Royal Astronomical Society , 489, 1197 (2019)
  77. "Stable Radio Core of the Blazar Mrk 501 during High-energy Active State in 2012"
    Koyama, S., Kino, M., Doi, A., Niinuma, K., Giroletti, M., Paneque, D., Akiyama, K., Giovannini, G., Zhao, G.-Y., Ros, E., Kataoka, J., Orienti, M., Hada, K., Nagai, H., Isobe, N., Kobayashi, H., Honma, M., Lico, R., The Astrophysical Journal , 884, 132 (2019)
  78. "The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project"
    Porth, O., EHT Collaboration, et al., The Astrophysical Journal Supplement Series, 243, 26 (2019)
  79. "Jet kinematics of the quasar 4C+21.35 from observations with the KaVA very long baseline interferometry array"
    Lee, T., Trippe, S., Kino, M., Sohn, B.W., Park, J., Oh, J., Hada, K., Niinuma, K., Ro, H., Jung, T., Zhao, G.-Y. Lee, S.-S., Algaba, J.C., Akiyama, K., Wajima, K., Sawada-Satoh, S., Tazaki, F., Cho, I., Hodgson, J., Lee, J.A., Hagiwara, Y., Honma, M., Koyama, S., An, T., Cui, Y., Yoo, H., Kawaguchi, N., Roh, D.-G., Oh, S.-J., Yeom, J.-H., Jung, D.-K., Oh, C., Kim, H.-R., Hwang, J.-Y., Byun, D.-Y., Cho, S.-H., Kim, H.-G., Kobayashi, H., Shibata, K. M., Shen, Z., Jiang, W., Lee, J.-W., Monthly Notices of the Royal Astronomical Society , 486, 2412 (2019)
  80. "The Cygnus A Jet: Parabolic Streamlines up to Kiloparsec Scales"
    Nakahara, S., Doi, A., Murata, Y., Hada, K., Nakamura, M., Asada, K., The Astrophysical Journal, 878, 61 (2019)
  81. "First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L6 (2019)
  82. "First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L5 (2019)
  83. "First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L4 (2019)
  84. "First M87 Event Horizon Telescope Results. III. Data Processing and Calibration"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L3 (2019)
  85. "First M87 Event Horizon Telescope Results. II. Array and Instrumentation"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L2 (2019)
  86. "First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole"
    EHT Collaboration, The Astrophysical Journal Letters , 875, L1 (2019)
  87. "Faraday Rotation in the Jet of M87 inside the Bondi Radius: Indication of Winds from Hot Accretion Flows Confining the Relativistic Jet"
    Park, J., Hada, K., Kino, M., Nakamura, M., Ro, H., Trippe, S. The Astrophysical Journal, 871, 257 (2019)
  88. "The Size, Shape, and Scattering of Sagittarius A* at 86 GHz: First VLBI with ALMA"
    Issaoun, S., Johnson, M. D., Blackburn, L., Brinkerink, C. D., Mościbrodzka, M., Chael, A., Goddi, C., Martí-Vidal, I., Wagner, J., Doeleman, S. S., Falcke, H., Krichbaum, T. P., Akiyama, K., Bach, U., Bouman, K. L., Bower, G. C., Broderick, A., Cho, I., Crew, G., Dexter, J., Fish, V., Gold, R., Gómez, J. L., Hada, K., Hernández-Gómez, A., Janßen, M., Kino, M., Kramer, M., Loinard, L., Lu, R.-S., Markoff, S., Marrone, D. P., Matthews, L. D., Moran, J. M., Müller, C., Roelofs, F., Ros, E., Rottmann, H., Sanchez, S., Tilanus, R. P. J., de Vicente, P., Wielgus, M., Zensus, J. A., Zhao, G.-Y. The Astrophysical Journal, 871, 30 (2019)
  89. "Parabolic Jets from the Spinning Black Hole in M87"
    Nakamura, M., Asada, K., Hada, K., Pu, H.-Y., Noble, S., Tseng, C., Toma, K., Kino, M., Nagai, H., Takahashi, K., Algaba, J.-C., Orienti, M., Akiyama, K., Doi, A., Giovannini, G., Giroletti, M., Honma, M., Koyama, S., Lico, R., Niinuma, K., Tazaki, F. The Astrophysical Journal, 868, 146 (2018)
  90. "Fast-spinning Black Holes Inferred from Symmetrically Limb-brightened Radio Jets"
    Takahashi, K., Toma. K., Kino, M., Nakamura, M., Hada, K. The Astrophysical Journal, 68, 82 (2018)
  91. "VERA monitoring of the radio jet 3C 84 in the period of 2007-2013: Detection of non-linear motion"
    Hiura, K., Nagai, H., Kino, M., Niinuma, K., Sorai, K., Chida, H., Akiyama, K., D'Ammando, F., Giovannini, G., Giroletti, M., Hada, K., Honma, M., Koyama, S., Orienti, M., Orosz, G., Sawada-Satoh, S. Publications of the Astronomical Society of Japan, 70, 83 (2018)
  92. "Evidence of Jet–Clump Interaction: A Flip of the Radio Jet Head of 3C 84"
    Kino, M., Wajima, K., Kawakatu, N., Nagai, H., Orienti, M., Giovannini, G., Hada, K., Niinuma, K., Giroletti, M. The Astrophysical Journal, 864, 118 (2018)
  93. "A wide and collimated radio jet in 3C84 on the scale of a few hundred gravitational radii"
    Giovannini, G., Savolainen, T., Orienti, M., Nakamura, M., Nagai, H., Kino, M., Giroletti, M., Hada, K., Bruni, G., Kovalev, Y. Y., Anderson, J. M., D'Ammando, F., Hodgson, J., Honma, M., Krichbaum, T. P., Lee, S.-S., Lico, R., Lisakov, M. M., Lobanov, A. P., Petrov, L., Sohn, B. W., Sokolovsky, K. V., Voitsik, P. A., Zensus, J. A., Tingay, S. Nature Astronomy, 2, 472 (2018)
  94. "Collimation, Acceleration, and Recollimation Shock in the Jet of Gamma-Ray Emitting Radio-loud Narrow-line Seyfert 1 Galaxy 1H 0323+342"
    Hada, K., Doi, A., Wajima, K., D'Ammando, F., Orienti, M., Giroletti, M., Giovannini, G., Nakamura, M., Asada, K. The Astrophysical Journal, 860, 141 (2018)
  95. "Revealing the Nature of Blazar Radio Cores through Multifrequency Polarization Observations with the Korean VLBI Network"
    Park, J., Kam, M., Trippe, S., Kang, S., Byun, D.-Y., Kim, D.-W. Algaba, J.-C., Lee, S.-S., Zhao, G.-Y., Kino, M., Shin, N., Hada, K., Lee, T., Oh, J., Hodgson, J.A., Sohn, B.W. The Astrophysical Journal, 860, 112 (2018)
  96. "A new solution to the plasma starved event horizon magnetosphere. Application to the forked jet in M87"
    Punsly, B., Hardcastle, M., Hada, K. Astronomy & Astrophysics, 614, 104 (2018)
  97. "A Recollimation Shock in a Stationary Jet Feature with Limb-brightening in the Gamma-Ray-emitting Narrow-line Seyfert 1 Galaxy 1H 0323+342"
    Doi, A., Hada, K., Kino, M., Wajima, K., Nakahara, S. The Astrophysical Journal Letters, 857, 26 (2018)
  98. "Finding Transitions of Physical Condition in Jets from Observations over the Range of 10^3-10^9 Schwarzschild Radii in Radio Galaxy NGC 4261"
    Nakahara, S., Doi, A., Murata, Y., Hada, K., Nakamura, M., Asada, K. The Astrophysical Journal, 854, 148 (2018)
  99. "The Global Jet Structure of the Archetypical Quasar 3C 273"
    Akiyama, K., Asada, K., Fish, V., Nakamura, M., Hada, K., Nagai, H., Lonsdale, C. Galaxies, 6, 15 (2018)
  100. "Pilot KaVA monitoring on the M 87 jet: Confirming the inner jet structure and superluminal motions at sub-pc scales"
    Hada, K., Park, J.-H. Kino, M., Niinuma, K., Sohn, B.W. Ro, H., Jung, T., Algaba, J.-C., Zhao, G.-Y., Lee, S.-S., Akiyama, K., Trippe, S., Wajima, K., Sawada-Satoh, S., Tazaki, F., Cho, I., Hodgson, J., Lee, J.-A., Hagiwara, Y., Honma, M., Koyama, S., Oh, J., Lee, T., Yoo, H., Kawaguchi, N., Roh, D.-G., Oh, S.-J., Yeom, J.-H., Jung, D.-K., Oh, C., Kim, H.-R., Hwang, J.-Y., Byun, D.-Y., Cho, S.-H., Kim, H.-G., Kobayashi, H., Shibata, K.M. Publications of the Astronomical Society of Japan, 69, 71 (2017)
  101. "The Structure and Propagation of the Misaligned Jet M87"
    Hada, K., Galaxies, 5, 2 (2017)
  102. "Conical Stream of the Two-Sided Jets in NGC 4261 over the Range of 10^3-10^9 Schwarzschild Radii"
    Nakahara, S., Doi, A., Murata, Y., Hada, K., Nakamura, M., Asada, K. Galaxies, 8, 80 (2019)
  103. "FRB 150418: clues to its nature from European VLBI Network and e-MERLIN observations"
    Giroletti, M., Marcote, B., Garrett, M. A., Paragi, Z., Yang, J., Hada, K., Muxlow, T.W.B., Cheung, C.C. Astronomy & Astrophysics, 593, L16 (2016)
  104. "PRECL: A new method for interferometry imaging from closure phase"
    Ikeda, S., Tazaki, F., Akiyama, K., Hada, K., Honma, M. Publications of the Astronomcial Society of Japan, 68, 45 (2016)
  105. "ALMA Science Verification Data: Millimeter Continuum Polarimetry of the Bright Radio Quasar 3C 286"
    Nagai, H., Nakanishi, K., Paladino, R., Hull, C. L. H., Cortes, P., Moellenbrock, G., Fomalont, E., Asada, K., Hada, K. The Astrophysical Journal, 824, 132 (2016)
  106. "High-sensitivity 86 GHz (3.5 mm) VLBI Observations of M87: Deep Imaging of the Jet Base at a Resolution of 10 Schwarzschild Radii"
    Hada, K., Kino, M., Doi, A., Nagai, H., Honma, M., Akiyama, K., Tazaki, F., Lico, R., Giroletti, M., Giovannini, G., Orienti, M., Hagiwara, Y. The Astrophysical Journal, 817, 131 (2016)
  107. "Discovery of off-axis jet structure of TeV blazar Mrk 501 with mm-VLBI"
    Koyama, S., Kino, M., Giroletti, M., Doi, A., Giovannini, G., Orienti, M., Hada, K., Ros, E., Niinuma, K., Nagai, H., Savolainen, T., Krichbaum, T.P.; Perez-Torres, M.A. Astronomy & Astrophysics, 586, 113 (2016)
  108. "Probing the precise location of the radio core in the TeV blazar Mrk 501 with VERA at 43 GHz"
    Koyama, S., Kino, M., Doi, A., Niinuma, K., Hada, K., Nagai, H., Honma, M., Akiyama, K., Giroletti, M., Giovannini, G., Orienti, M., Isobe, N., Kataoka, J., Paneque, D., Kobayashi, H., Asada, K. Publications of the Astronomcial Society of Japan, 67, 67 (2015)
  109. "Discovery of a Wandering Radio Jet Base after a Large X-Ray Flare in the Blazar Markarian 421"
    Niinuma, K., Kino, M., Doi, A., Hada, K., Nagai, H., Koyama, S. The Astrophysical Journal Letters, 807, L14 (2015)
  110. "230 GHz VLBI Observations of M87: Event-horizon-scale Structure during an Enhanced Very-high-energy γ-Ray State in 2012"
    Akiyama, K., Lu, R.-S., Fish, V.L., Doeleman, S.S., Broderick, A.E., Dexter, J., Hada, Hada, K., Kino, M., Nagai, H., Honma, M., Johnson, M.D., Algaba, J.C., Asada, K., Brinkerink, C., Blundell, Ray, Bower, G.C., Cappallo, R., Crew, G.B., Dexter, M., Dzib, S.A., Freund, R., Friberg, P., Gurwell, M., Ho, P.T.P., Inoue, M., Krichbaum, T.P., Loinard, L., MacMahon, D., Marrone, D.P., Moran, J.M., Nakamura, M., Nagar, N.M., O.-L., G., Plambeck, R., Pradel, N., Primiani, R.A., Rogers, A.E.E., Roy, A.L., SooHoo, J., Tavares, J.-L., Tilanus, R.P.J., Titus, M., Wagner, J., Weintroub, J., Yamaguchi, P., Young, K.H., Zensus, A., Ziurys, L.M. The Astrophysical Journal, 807, 150 (2015)
  111. "Determination of Central Engine Position and Accretion Disk Structure in NGC 4261 by Core Shift Measurements"
    Haga, T., Doi, A., Murata, Y., Sudou, H., Kameno, S., Hada, K. The Astrophysical Journal, 807, 15 (2015)
  112. "Magnetization Degree at the Jet Base of M87 Derived from the Event Horizon Telescope Data: Testing the Magnetically Driven Jet Paradigm"
    Kino, M., Takahara, F., Hada, K., Akiyama, K., Nagai, H., Sohn, B.W. The Astrophysical Journal, 803, 30 (2015)
  113. "VLBI observations of bright AGN jets with the KVN and VERA Array (KaVA): Evaluation of imaging capability"
    Niinuma, K., Lee, S.-S., Kino, M., Sohn, B.W., Akiyama, K., Zhao, G.-Y., Sawada-Satoh, S., Trippe, S., Hada, K., Jung, T., Hagiwara, Y., Dodson, R., Koyama, S., Honma, M., Nagai, H., Chung, A., Doi, A., Fujisawa, K., Han, M.-H., Kim, J.-S., Lee, J., Lee, J.A. Miyazaki, A., Oyama, T., Sorai, K., Wajima, K., Bae, J., Byun, D.-Y., Cho, S.-H., Choi, Y.K., Chung, H., Chung, M.-H., Han, S.-T., Hirota, T., Hwang, J.-W., Je, D.-H., Jike, T., Jung, D.-K., Jung, J.-S. Kang, J.-H., Kang, J., Kang, Y.-W., Kan-ya, Y., Kanaguchi, M., Kawaguchi, N., Kim, B.G., Kim, H.R., Kim, H.-G., Kim, J. Kim, J., Kim, K.-T., Kim, M., Kobayashi, H., Kono, Y., Kurayama, T., Lee, C., Lee, J.-W., Lee, S.H., Minh, Y.C., Matsumoto, N., Nakagawa, A., Oh, C.S., Oh, S.-J., Park, S.-Y., Roh, D.-G., Sasao, T., Shibata, K.M., Song, M.-G., Tamura, Y., Wi, S.-O. Yeom, J.-H., Yun, Y.J. Publications of the Astronomcial Society of Japan, 66, 103 (2014)
  114. "A Strong Radio Brightening at the Jet Base of M 87 during the Elevated Very High Energy Gamma-Ray State in 2012"
    Hada, K., Giroletti, M., Kino, M., Giovannini, G., D'Ammando, F., Cheung, C.C., Beilicke, M., Nagai, H., Doi, A., Akiyama, K., Honma, M., Niinuma, K., Casadio, C., Orienti, M., Krawczynski, H., Gómez, J.L., Sawada-Satoh, S., Koyama, S., Cesarini, A., Nakahara, S., Gurwell, M.A. The Astrophysical Journal, 788, 165 (2014)
  115. "Relativistic Electrons and Magnetic Fields of the M87 Jet on the ~10 Schwarzschild Radii Scale"
    Kino, M., Takahara, F., Hada, K., Doi, A. The Astrophysical Journal, 786, 5 (2014)
  116. "Limb-brightened Jet of 3C 84 Revealed by the 43 GHz Very-Long-Baseline-Array Observation"
    Nagai, H., Haga, T., Giovannini, G., Doi, A., Orienti, M., D'Ammando, F., Kino, M., Nakamura, M., Asada, K., Hada, K., Giroletti, M. The Astrophysical Journal, 785, 53 (2014)
  117. "Evidence for a Nuclear Radio Jet and its Structure down to ~100 Schwarzschild Radii in the Center of the Sombrero Galaxy (M 104, NGC 4594)"
    Hada, K., Doi, A. Nagai, H. Inoue, M. Honma, M. Giroletti, M. Giovannini, G. The Astrophysical Journal, 779, 6 (2013)
  118. "The Innermost Collimation Structure of the M87 Jet Down to ~10 Schwarzschild Radii"
    Hada, K., Kino, M., Doi, A., Nagai, H., Honma, M., Hagiwara, Y., Giroletti, M., Giovannini, G., Kawaguchi, N. The Astrophysical Journal, 775, 70 (2013)
  119. "VLBI Imagings of a Kilo-Parsec Knot in 3C 380"
    Koyama, S., Kino, M., Nagai, H., Hada, K., Kameno, S., Kobayashi, H. Publications of the Astronomical Society of Japan, 65, 29 (2013)
  120. "The GENJI Programme: Gamma-Ray Emitting Notable AGN Monitoring by Japanese VLBI"
    Nagai, H., Kino, M., Niinuma, K., Akiyama, K., Hada, K., Koyama, S., Orienti, M., Hiura, K., Sawada-Satoh, S., Honma, M., Giovannini, G., Giroletti, M., Shibata, K.M., Sorai, K. Publications of the Astronomical Society of Japan, 65, 24 (2013)
  121. "Nuclear Radio Jet from a Low-luminosity Active Galactic Nucleus in NGC 4258"
    Doi, A., Kohno, K., Nakanishi, K., Kameno, S., Inoue, M., Hada, K., Sorai, K., The Astrophysical Journal, 765, 63 (2013)
  122. "Radio and gamma-ray follow-up of the exceptionally high-activity state of PKS 1510-089 in 2011"
    Orienti, M., Koyama, S., D'Ammando, F., Giroletti, M., Kino, M., Nagai, H., Venturi, T., Dallacasa, D., Giovannini, G., Angelakis, E., Fuhrmann, L., Hovatta, T., Max-Moerbeck, W., Schinzel, F. K., Akiyama, K., Hada, K., Honma, M., Niinuma, K., Gasparrini, D., Krichbaum, T. P., Nestoras, I., Readhead, A. C. S., Richards, J. L., Riquelme, D., Sievers, A., Ungerechts, H., Zensus, J. A. Monthly Notices of the Royal Astronomical Society, 428, 2418 (2013)
  123. "VLBI Observations of the Jet in M 87 during the Very High Energy γ-Ray Flare in 2010 April"
    Hada, K., Kino, M., Nagai, H., Doi, A., Hagiwara, Y., Honma, M., Giroletti, M., Giovannini, G., Kawaguchi, N. The Astrophysical Journal, 760, 52 (2012)
  124. "Possible Detection of Apparent Superluminal Inward Motion in Markarian 421 after the Giant X-Ray Flare in 2010 February"
    Niinuma, K., Kino, M., Nagai, H., Isobe, N., Gabanyi, K.E., Hada, K., Koyama, S., Asada, K., Oyama, T., Fujisawa, K. The Astrophysical Journal, 759, 84 (2012)
  125. "The 2010 Very High Energy gamma-Ray Flare and 10 Years of Multi-wavelength Observations of M 87"
    The H.E.S.S Collaboration, The MAGIC Collaboration, The VERITAS Collaboration, Barres de Almeida, U., Cara, M., Casadio, C., Cheung, C. C., McConville, W., Davies, F., Doi, A., Giovannini, G., Giroletti, M., Hada, K., Hardee, P., Harris, D.E., Junor, W., Kino, M., Lee, N. P., Ly, C., Madrid, J., Massaro, F., Mundell, C.G., Nagai, H., Perlman, E.S., Steele, I.A., Walker, R.C., Wood, D.L. The Astrophysical Journal, 746, 151 (2012)
  126. "The kinematic of HST-1 in the jet of M 87"
    Giroletti, M.; Hada, K., Giovannini, G., Casadio, C., Beilicke, M., Cesarini, A., Cheung, C.C., Doi, A., Krawczynski, H., Kino, M., Lee, N.P., Nagai, H. Astronomy & Astrophysics, 538, L10 (2012)
  127. "An origin of the radio jet in M87 at the location of the central black hole"
    Hada, K., Doi, A., Kino, M., Nagai, H., Hagiwara, Y., Kawaguchi, N. Nature, 477, 185 (2011)
  128. "Suzaku Observation of the Giant Radio Galaxy 3C 326"
    Isobe, N., Tashiro, M.S.; Gandhi, P., Hayato, A., Nagai, H., Hada, K., Seta, H., Matsuta, K. The Astrophysical Journal, 706, 454 (2009)

国際学会集録(筆頭著者のもの)

  1. "Observations of nearby relativistic jets with EAVN and EATING VLBI"  [ADS] [Journal]
    Hada, K., EAVN/EATING VLBI Collaboration Proceedings of the IAU Symposium , 342, 73 (2020)
  2. "Expanding VLBI in East Asia and AGN science"  [ADS] [Journal]
    Hada, K., Sohn, B.W.; Kino, M., Giovannini, G., EAVN AGN Science Working Group, Proceedings of the 14th European VLBI Symposium, id 068 (2018)
  3. "A strong radio brightening at the jet base of M87 during the elevated very-high-energy gamma-ray state in 2012"  [ADS] [Journal]
    Hada, K., Giroletti, M., Kino, M., Giovannini, G., D'Ammando, F., Cheung, C. C., Beilicke, M., Nagai, H., Doi, A., Akiyama, K., Honma, M., Niinuma, K., Casadio, C., Orienti, M., Krawczynski, H., Gomez, J. L., Sawada-Satoh, S., Koyama, S., Cesarini, A., Nakahara, S., Gurwell, M. A. Proceedings of the IAU Symposium, 313, 340 (2015)
  4. "Continuing EVN monitoring of HST-1 in the jet of M87"  [ADS] [Journal]
    Hada, K., Giroletti, M., Giovannini, G., Casadio, C., Beilicke, M., Cesarini, A., Cheung, C. C. T., Doi, A., Gómez, J. L., Kino, M., Nagai, H. Proceedings of the 12th European VLBI Network Symposium and Users Meeting, 230, 018 (2014)
  5. "Multi-frequency, multi-epoch VLBI observations of the M87 jet"  [ADS] [Journal]
    Hada, K., Giroletti, M., Giovannini, G., Doi, A., Kino, M., Nagai, H., Honma, M., Kawaguchi, N., Proceedings of the IAU Symposium, 304, 106 (2014)
  6. "Probing the inner jet of M87; from the jet base to HST-1"  [ADS] [Journal]
    Hada, K. EPJ Web of Conferences, 61, 01002 (2013)
  7. "The kinematic of HST-1 in the jet of M87"  [ADS] [Journal]
    Hada, K., Giroletti, M., Giovannini, G., Casadio, C., Beilicke, M., Cesarini, A., Cheung, T., Doi, A., Krawczynski, H., Kino, M., Lee, N., Nagai, H. Proceedings of the 11th European VLBI Network Symposium; Users Meeting, 178, id023 (2012)
  8. "Strong Gradient of the Spectral Index in the Compact Jet of the Low-Luminosity Active Galactic Nucleus in M 81"  [ADS] [Journal]
    Hada, K., Doi, A., Nagai, H., Inoue, M. ASP Conference Series, 439, 491 (2011)