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Distribution of the bulk velocity relative to the speed of light
VLBA total intensity map of the M87 jet at 43 GHz (2-a)
A Self-consistent Model for Super/sub-luminal Motions and Particle Acceleration in the M87 Jet
Hubble Takes Movies of Space Slinky in M87
Toward the Innermost Region of the Relativistic Jet from Supermassive Black Hole in the Active Galactic Nuclues M87
The Structure of the M87 Jet: A Transition from Parabolic to Conical Streamlines
Nakamura, Masanori
GLT/VLBI Project Research Scientist
photo of Nakamura, Masanori
Office: ASMAB 1322
TEL: +886-2-2366-5449
FAX: +886-2-2367-7849
Email: nakamura_replace2@_asiaa.sinica.edu.tw

Education and Positions

  • Visiting Scientist (2010~present)
  • Assistant Research Scientist, JHU (2008~2010)
  • Postdoctoral Research Associate, LANL (2005~2008)
  • Postdoctoral Fellow, JPL/NASA (2002~2005)
  • Ph.D in physics, Tokyo University of Science (2001)

Honors & Awards

  • Allan C. Davis Fellow, JHU/STScI (2008~2010)
  • NRC Resident Research Associateship Programs (2002~2005)

Research Interests

I have broad interests in theories and observations related mostly to high energy astrophysics and plasma astrophysics. I am actively woking on astrophysical jets, accretion disks, and supermassive black holes (SMBHs) in active galactic nuclei (AGNs) with MHD theory and computation. Dynamics of galaxy cores and SMBHs, co-evolution of galaxies and SMBHs via AGN feedback process, and very high energy emission in AGN jets are especially interested.

Recent Journal Papers

  1. Nakahara, S., Doi, A., Murata, Y., Hada, K., Nakamura, M., Asada, K., "Finding of Transitions of Physical Condition in Jets from Observations over the Range of 103–109 Schwarzschild Radii: the Radio Galaxy NGC 4261" , ASTROPHYSICAL JOURNAL, 2018 [SCI]
  2. Nagai, H., Fujita, Y., Nakamura, M., Orienti, M., Kino, M., Asada, K., Giovannini, G., "Enhanced Polarized Emission from the One-Parsec-Scale Hotspot of 3C 84 as a Result of the Inter- action with Clumpy Ambient Medium" , ASTROPHYSICAL JOURNAL: 849, 52-58, 2017-11 [SCI] (Fulltext)
  3. Pu, H.-Y., Wu, K., Younsi, Z., Asada, K., Mizuno, Y., Nakamura, M., "Observable Emission Features of Black Hole GRMHD Jets on Event Horizon Scales" , ASTROPHYSICAL JOURNAL: 845, 160-176, 2017-08 [SCI] (Fulltext)
  4. Algaba, J.-C., Nakamura, M., Asada, K., Lee, S. S., "Resolving the Geometry of the Innermost Relativistic Jets in Active Galactic Nuclei" , ASTROPHYSICAL JOURNAL: 834, 65-75, 2017-01 [SCI] (Fulltext)
  5. Asada, K., Nakamura, M., Pu, H.-Y., "Indication of the Black Hole Powerd Jet in M87 by VSOP Observations" , ASTROPHYSICAL JOURNAL: 833, 56, 2016-12 [SCI] (Fulltext)
  6. Tseng, C.-Y., Asada, K., Nakamura, M., Pu, H.-Y., Algaba, J.-C., Lo, W.-P., "Structural Transition in the NGC 6251 Jet: Interplay between a Supermassive Black Hole and its Host Galaxy" , ASTROPHYSICAL JOURNAL: 833, 288, 2016-12 [SCI] (Fulltext)
  7. Hirashita H; Koch PM; Matsushita S; Takauwa S; Nakamura M; Asada K; ..., "First-generation science cases for ground-based terahertz telescopes" , PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN: 68, 1, 2016-02 [SCI] (Fulltext)
  8. Algaba J.-C.; Asada K; Nakamura M, "Resolving the rotation measure of the M87 jet on kilo-parsec scales" , ASTROPHYSICAL JOURNAL: 823, 56, 2016 [SCI] (Fulltext)
  9. Akiyama K; ... ; Algaba J-C; Asada K; ... ; Bower G; ... ; Ho PTP; Inoue M; ... ; Nakamura M; ... ; Pradel N; ... , " 230 GHz VLBI Observations of M87: Event-horizon-scale Structure during an Enhanced Very-high-energy γ-Ray State in 2012" , ASTROPHYSICAL JOURNAL: 807, 150, 2015-07 [SCI] (Fulltext)
  10. Hung-Yi Pu, Masanori Nakamura, Kouichi Hirotani, Yosuke Mizuno, Kinwah Wu, and Keiichi Asada, "Steady General Relativistic Magnetohydrodynamic Inflow/Outflow Solution Along Large-Scale Magnetic Fields That Thread A Rotating Black Hole " , ASTROPHYSICAL JOURNAL: 801, 56, 2015 [SCI] (Fulltext)
  11. Inoue, M., Algaba-Marcos, J.C., Asada, K., Chang, C.-C., Chen, M.,-T., Han, J., Hirashita, H., Ho, P.T.P., Hsieh, S.-N., Huang, T., Jiang, H., Koch, P.M., Kubo, D.Y., Kuo, C.-Y., Liu, B., Martin-Cocher, P., Matsushita, S., Meyer-Zhao, Z., Nakamura, M., Nishioka, H., Nystrom, G., Pradel, N., Pu, H.-Y., Raffin, P.A., Shen, H.-Y., Snow, W., Srinivasan, R., Wei, T.-S., Blundell, R., Burgos, R., Grimes, P., Keto, E., Paine, S., Patel, N., Sridharan, T.K., Doeleman, S.S., Fish, V., Brisken, W., Napier, P., "Greenland Telescope Project --- Direct Confirmation of Black Hole with Sub-millimeter VLBI" , RADIO SCIENCE: 49(7), 564-571, 2014-07 [SCI] (Fulltext)
  12. Nakamura M, Meier D. L., "A Magnetohydrodynamic Model of The M87 Jet. II. Self-consistent Quad-shock Jet Model for Optical Relativistic Motions and Particle Acceleration" , ASTROPHYSICAL JOURNAL: 785, 152, 2014 [SCI] (Fulltext)
  13. Asada K,Nakamura M, Doi A, Nagai H, Inoue M, "Discovery of Sub- to Superluminal Motions in the M87 Jet: An Implication of the Acceleration from Sub-relativistic to Relativistic Speeds" , Astrophysical Journal Letters: 781(1), L2, 2014 [SCI] (Fulltext)
  14. Nagai H, ... , Nakamura M, Asada K, et al., "Limb-brightened Jet of 3C 84 Revealed by the 43 GHz Very-Long-Baseline-Array Observation " , ASTROPHYSICAL JOURNAL: 785, 53, 2014 [SCI] (Fulltext)
  15. Kuo C.-Y., Asada K, Rao R, Nakamura M, Algaba J.-C., Liu H. B., Inoue M, Koch P. M., Ho P. T. P., Matsushita S, Pu H.-Y, Akiyama K, Nishioka H, Pradel N, "Measuring Mass Accretion Rate onto the Supermassive Black Hole in M87 Using Faraday Rotation Measure with the Submillimeter Array" , Astrophysical Journal Letters: 783(2), L33, 2014 [SCI] (Fulltext)
  16. Fujita Y; Okabe N; ...; Matsushita S; Hirashita H; Nakamura M; et al., "Discovery of an Outstanding Disk in the cD Galaxy of the Hydra A Cluster" , PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN: Vo. 65, No. 6, 15, 2013 [SCI] (Fulltext)
  17. Meyer ET, Sparks WB, Biretta JA, Anderson J, Sohn ST, van der Marel RP, Norman CA, Nakamura M, "Optical Proper Motion Measurements of the M87 Jet: New Results from the Hubble Space Telescope" , Astrophysical Journal Letters: 774(2), 21, 2013 [SCI] (Fulltext)
  18. Nakamura M, Asada K, "The Parabolic Jet Structure in M87 as a Magnetohydrodynamic Nozzle" , ASTROPHYSICAL JOURNAL: 775, 118-128, 2013 [SCI] (Fulltext)
  19. Asada K, Nakamura M, "The Structure of the M87 Jet: A Transition from Parabolic to Conical Streamlines" , Astrophysical Journal Letters: 745(2), 28, 2012 [SCI] (Fulltext)
TEL: 886-2-3365-2200 FAX: 886-2-2367-7849
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