Kazuya Takahashi

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Present Affiliation & Contact

Papers

  1. Discovery of limb-brightening in the parsec-scale jet of NGC 315 through global VLBI observations and its implications for jet models
    J. Park et al. (including K. Takahashi as the 7th author; 2024), The Astrophysical Journal Letters, 973, L45
    [arXiv] [ApJL] [ADS]
  2. Gravitational wave physics and astronomy in the nascent era
    M. Arimoto et al. (including K. Takahashi as one in the authors; 2023), Progress of Theoretical and Experimental Physics, 2023, 10A103
    [arXiv] [PTEP] [ADS]
  3. Probing particle acceleration at trans-relativistic shocks with off-axis gamma-ray burst afterglows
    K. Takahashi, K. Ioka, Y. Ohira & H. J. van Eerten (2022), Monthly Notices of the Royal Astronomical Society, 517, 5541
    [arXiv] [MNRAS] [ADS]
  4. Diverse jet structures consistent with the off-axis afterglow of GRB 170817A
    K. Takahashi & K. Ioka (2021), Monthly Notices of the Royal Astronomical Society, 501, 5746
    [arXiv] [MNRAS] [ADS]
  5. Inverse reconstruction of jet structure from off-axis gamma-ray burst afterglows
    K. Takahashi & K. Ioka (2020), Monthly Notices of the Royal Astronomical Society, 497, 1217
    [arXiv] [MNRAS] [ADS]
  6. A mechanism for triple-ridge emission structure of AGN jets
    T. Ogihara, K. Takahashi & K. Toma (2019), The Astrophysical Journal, 877, 19
    [arXiv] [ApJ] [ADS]
  7. Linear analysis of the shock instability in core-collapse supernovae: Influence of acoustic power and fluctuations of neutrino luminosity
    K. Sugiura, K. Takahashi & S. Yamada (2019), The Astrophysical Journal, 874, 28
    [arXiv] [ApJ] [ADS]
  8. Parabolic jets from the spinning black hole in M87
    M. Nakamura et al. (including K. Takahashi as the 10th author; 2018), The Astrophysical Journal, 868, 146
    [arXiv] [ApJ] [ADS]
  9. Fast-spinning black holes inferred from symmetrically limb-brightened radio jets
    K. Takahashi, K. Toma, M. Kino, M. Nakamura & K. Hada (2018), The Astrophysical Journal, 868, 82
    [arXiv] [ApJ] [ADS]
  10. On the importance of progenitor asymmetry to shock revival in core-collapse supernovae
    H. Nagakura, K. Takahashi & Y. Yamamoto (2018), Monthly Notices of the Royal Astronomical Society, 483, 208
    [arXiv] [MNRAS] [ADS]
  11. Links between the shock instability in core-collapse supernovae and asymmetric accretions of envelopes
    K. Takahashi, W. Iwakami, Y. Yamamoto & S. Yamada (2016), The Astrophysical Journal, 831, 75
    [arXiv] [ApJ] [ADS]
  12. Linear analysis on the growth of non-spherical perturbations in supersonic accretion flows
    K. Takahashi & S. Yamada (2014), The Astrophysical Journal, 794, 162
    [arXiv] [ApJ] [ADS]
  13. Exact Riemann solver for ideal magnetohydrodynamics that can handle all types of intermediate shocks and switch-on/off waves
    K. Takahashi & S. Yamada (2014), Journal of Plasma Physics, volume 80, issue 02, pp. 255-287
    Selected as one of the Featured Articles of the journal (May 2015)
    [arXiv] [JPP] [ADS]
  14. Regular and non-regular solutions of the Riemann problem in ideal magnetohydrodynamics
    K. Takahashi & S. Yamada (2013), Journal of Plasma Physics, volume 79, issue 03, pp. 335-356
    [arXiv] [JPP] [ADS]

International Conferences

  1. Imaging jet structures with gamma-ray burst afterglows
    K. Takahashi, K. Hotokezaka & K. Ioka, The 14th RESCEU International Symposium; From Large to Small Structures in the Universe, 30 Oct.-2 Nov. 2023, Tokyo, Japan (Talk)
  2. Probing particle acceleration at trans-relativistic shocks with off-axis gamma-ray burst afterglows
    K. Takahashi, K. Ioka, Y. Ohira & H. van Eerten, Symposium on gravitational wave physics and astronomy: Genesis, 25-29 Apr. 2022, Kyoto, Japan (Talk)
  3. Probing the particle acceleration at trans-relativistic shocks with gamma-ray burst afterglows
    K. Takahashi, K. Ioka, Y. Ohira & H. van Eerten, ICRC 2021, 12-23 Jul. 2021, Berlin, Germany (Virtual) (Talk)
  4. Diverse jet structures consistent with the off-axis afterglow of GRB 170817A
    K. Takahashi & K. Ioka, The fourth annual area symposium online, 22 & 24 Feb. 2021, Online hosted by IPMU, U. Tokyo (Talk)
  5. Diverse jet structures consistent with the off-axis afterglow of GRB 170817A
    K. Takahashi & K. Ioka, Black Hole Astrophysics with VLBI: Multi-Wavelength Era, 18 Jan. - 20 Jan. 2021, Online hosted by ICRR, U. Tokyo (Talk)
  6. Inverse reconstruction of jet structure from off-axis gamma-ray burst afterglows
    K. Takahashi & K. Ioka, The third annual symposium of the innovative area "Gravitational Wave Physics and Astronomy: Genesis" (Konan-gakuen 100th anniversary international scientific symposium series), 10 Feb. - 12 Feb. 2020, Kobe, Japan (Talk)
  7. Inverse reconstruction of jet structure from off-axis gamma-ray burst afterglows
    K. Takahashi & K. Ioka, Yamada Conference LXXI: Gamma-ray Bursts in the Gravitational-wave Era 2019, 28 Oct. - 1 Nov. 2019, Yokohama, Japan (Talk)
  8. Inverse reconstruction of jet structure from off-axis gamma-ray burst afterglows
    K. Takahashi & K. Ioka, YITP long-term workshop: Multi-Messenger Astrophysics in the Gravitational Wave Era, 24 Sep. - 25 Oct. 2019, Kyoto, Japan (Talk)
  9. Inverse reconstruction of jet structure from off-axis gamma-ray burst afterglows
    K. Takahashi & K. Ioka, Workshop to bring together experts on high energy astrophysics from Japan and Israel, 18 Jul. - 23 Jul. 2019, RIKEN Wako/Kobe Campuses, Japan (Invited Talk)
  10. Inverse problem of reconstructing the jet energy distribution from afterglow light curves
    K. Takahashi & K. Ioka, The second annual symposium of the innovative area "Gravitational Wave Physics and Astronomy: Genesis", 26 Nov. - 28 Nov. 2018, Kyoto, Japan (Talk)
  11. Jet energy distribution inferred from afterglow light curves
    K. Takahashi & K. Ioka, Jet and Shock Breakouts in Cosmic Transients, 14 May - 18 May 2018, Kyoto, Japan (Invited Talk)
  12. Parameter dependence of limb-brightening emission from AGN jets
    K. Takahashi, K. Toma, M. Kino, M. Nakamura & K. Hada, Dawn of a new era for black hole jets in active galaxies, 25 Jan. - 27 Jan. 2018, Sendai, Japan (Talk)
  13. Radio emission from the relativistic jet of M87
    K. Takahashi, K. Toma, M. Kino, M. Nakamura & K. Hada, Challenges of AGN Jets, 17 Jan. - 20 Jan. 2017, Mitaka, Japan (Talk)
  14. Links between the shock instabilities and asymmetric accretions of envelopes
    K. Takahashi, W. Iwakami, Y. Yamamoto & S. Yamada, 2nd NAOJ-ECT* Workshop on Many Riddles About Core-Collapse Supernovae: 1 Bethe and Beyond, 27 Jun. - 1 Jul. 2016, Mitaka, Japan (Talk)
  15. Links between fluid instability in a core-collapse supernova and fluctuations in a collapsing progenitor
    K. Takahashi, W. Iwakami, Y. Yamamoto & S. Yamada, Bimonthly meeting: New development in astrophysics through multimessenger observations of gravitational wave sources, 26 Apr. 2016, Kyoto, Japan (Invited Talk)
  16. Standing Accretion Shock Instability Revisited
    K. Takahashi, Y. Yamamoto, W. Iwakami & S. Yamada, Numazu Workshop 2015: Challenges of modeling supernovae with nuclear data, 1 Sep. - 4 Sep. 2015, Mishima, Japan (Poster)
  17. Study on the growth and time-variability of fluctuations in super-sonic flows: toward more realistic investigations on standing accretion shock instability
    K. Takahashi & S. Yamada, Multi-Messengers from Core-Collapse Supernovae (MMCOCOS), 2 Dec. - 6 Dec. 2013, Fukuoka, Japan (Poster)
  18. On the existence and non-uniqueness of solutions of Riemann problems in ideal magnetohydrodynamics
    K. Takahashi & S. Yamada, ASTRONUM 2013 (8th International Conference on Numerical Modeling of Space Plasma Flows), 1 Jul. - 5 Jul. 2013, Biarritz, France (Talk)

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