Name: The third annual conference of Transformative Research Areas (A), “Multimessenger Astrophysics”
Start: 2025-11-18T09:00:00+09:00
End: 2025-11-20T17:00:00+09:00
Location: No location set

The third annual conference of Transformative Research Areas (A), “Multimessenger Astrophysics”

from Tuesday, November 18, 2025 (9:00 AM) to Thursday, November 20, 2025 (5:00 PM)

Monday, November 17, 2025
Tuesday, November 18, 2025
1:00 PM
1:00 PM - 1:15 PM
Contributions

1:00 PM A broad overview of our multimessenger program - Shigeru Yoshida (International Center for Hadron Astrophysics, Chiba University)
1:15 PM
1:15 PM - 2:15 PM
Contributions

1:15 PM Results from the LIGO-Virgo-KAGRA Fourth Observation - Soichiro Morisaki

1:30 PM Accurate Estimation of the Spin Distribution of Binary Black Holes Using Gravitational-Wave Data - Kazuya Kobayashi

1:45 PM Black-Hole Ringdown Analysis with LIGO-Virgo-KAGRA O4 Data - Motoki Suzuki (ICRR, The University of Tokyo)

2:00 PM Constraining the Hubble Constant using Cross-Correlation of Gravitational Wave Events - Tathagata Ghosh (Institute for Cosmic Ray Research)
2:15 PM Coffee break
Coffee break
2:15 PM - 2:30 PM
2:30 PM
2:30 PM - 4:15 PM
Contributions

2:30 PM Neutrino Astronomy: Historical Milestones and Future Directions - Naoko Kurahashi Neilson Neilson Kurahashi

3:00 PM Search for X-ray Transient Counterparts to IceCube Neutrino Alerts with Swift-XRT - Yu Miyazato (Chiba University)

3:20 PM GeV Neutrino Transient Searches with IceCube Upgrade - Yukiho Kobayashi (ICEHAP, Chiba University)

3:40 PM Detector Design for the Next Generation of IceCube Optical Modules - Annika Hollnagel (ICEHAP Chiba)

4:00 PM Super heavy dark matter origin of the PeV neutrino event: KM3-230213A - Kazunori Kohri (NAOJ)
4:15 PM Coffee break
Coffee break
4:15 PM - 4:30 PM
4:30 PM
4:30 PM - 5:50 PM
Contributions

4:30 PM Status reports on HiZ-GUNDAM - Daisuke Yonetoku (Kanazawa University)

4:35 PM Recent progress in the Development of EAGLE, the Wide-Field X-ray Monitor onboard HiZ-GUNDAM - Makoto ARIMOTO (Kanazawa University)

4:50 PM Construction and First Evaluation of the HiZ-GUNDAM/EAGLE Optics System Prototype - Hatune Goto Hatune Goto (Kanazawa University)

5:05 PM Improvement of Expected Performance of MONSTER onboard HiZ-GUNDAM satellite - Hideo Matsuhara (ISAS, JAXA)

5:20 PM Current status of evaluation of the Kösters prism on HiZ-GUNDAM/MONSTER - Tomoya Hori (Hiroshima Univ)

5:35 PM Current Status of On-board Software for HiZ-GUNDAM - Takumi Togashi (Yamagata University)
5:50 PM

5:50 PM - 6:55 PM
Wednesday, November 19, 2025
9:00 AM
9:00 AM - 10:30 AM
Contributions

9:00 AM Optical observations of neutrino-counterpart analogs in the local universe - Keiichi Maeda (Kyoto University)

9:15 AM Rapid variability in black-hole systems and our efforts for multi-wavelength observations - Mariko Kimura (Kanazawa University)

9:30 AM Progress on Optical/infrared observations for GW/neutrino sources - Masaomi Tanaka (Tohoku University)

9:45 AM Subaru observations for IC230724A - Shigeo Kimura (Tohoku University)

10:00 AM A Joint Search for the EM Counterpart to the GW BBH Merger Candidate S250328ae with DECam and PFS - Haibin Zhang (NAOJ)

10:15 AM Heavy Elements in Late-Time Kilonova Spectra: Abundance Constraints from GW170817 - Salma Rahmouni (Tohoku University)
10:30 AM Coffee
Coffee
10:30 AM - 10:45 AM
10:45 AM
10:45 AM - 12:30 PM
Contributions

10:45 AM Monte Carlo Simulations of Radiation Mediated Shocks - Hirotaka Ito (RIKEN)

11:00 AM Collapse of rotating massive stars - Sho Fujibayashi (Tohoku University)

11:18 AM Gamma-Ray Burst Jets in Circumstellar Material: Dynamics and Diversity of Transients - Hamid Hamidani (Tohoku University)

11:36 AM Late-time Radio Flares in Tidal Disruption Events - Tatsuya Matsumoto (The University of Tokyo)

11:54 AM Dust formation in confined circumstellar material and its impact on kilonova surveys - YUKI TAKEI (Yukawa Institute for Theoretical Physics, Kyoto University)

12:12 PM Theoretical studies on formation mechanism of compact binary stars discovered from Gaia Data Release 3 - Ataru Tanikawa (Fukui Prefectural University)
12:30 PM Lunch + Poster (cofffee prepared at venue)
Lunch + Poster (cofffee prepared at venue)
12:30 PM - 2:00 PM
2:00 PM
2:00 PM - 3:50 PM
Contributions

2:00 PM Modeling multi-messenger emission from astrophysical objects - Bing Zhang (Institute of high energy physics, CAS) Kohta Murase (Penn State/YITP)

2:20 PM CR Propagation Code Project with MHD-Consistent Transport Coefficient Modeling - Wataru Ishizaki (Tohoku University)

2:35 PM Super-PeV Cosmic-rays in Interacting Supernovae: spectrum and composition - Nick Ekanger (Tohoku University)

2:50 PM Possibility of High Energy Neutrino Production in Super-Eddington Accreting Black Holes - Norita Kawanaka (Tokyo Metropolitan University)

3:05 PM 1D MHD, Lagrange Particle, and Radiative Transfer Hybrid Simulations of Multimessenger Signals from Relativistic Shock Waves - Yo Kusafuka (ICRR, The University of Tokyo)

3:20 PM Multi-wavelength emission associated with X-ray flares of GRBs - Riki Matsui

3:35 PM Applying a Stochastic Acceleration Model to Young Pulsar Wind Nebulae - Shuta Tanaka (Aoyama Gakuin University)
3:50 PM Coffee
Coffee
3:50 PM - 4:10 PM
4:10 PM
4:10 PM - 5:40 PM
Contributions

4:10 PM Challenging Charged Particle Astronomy with the Global Cosmic Ray Observatory - Toshihiro Fujii (OMU, NITEP)

4:25 PM X-ray spectroscopy of accretion disk and jets in Galactic microquasars - Megumi Shidatsu (Ehime University)

4:40 PM MAXI observations of Multimessenger events - Motoko Serino (Aoyama Gakuin University)

4:55 PM CAMELOT and IXPE: All-Sky Monitoring and Polarimetry for Multimessenger Astrophyscs (3) - Tsunefumi Mizuno (Hiroshima University)

5:10 PM Evolution from SNe to SNRs with XRISM - Aya Bamba (The University of Tokyo)

5:25 PM Current Status of KOYOH Satellite in 2025 - Tatsuya Sawano (Kanazawa University)
5:40 PM

5:40 PM - 6:50 PM
Thursday, November 20, 2025
9:00 AM
9:00 AM - 10:00 AM
Contributions

9:00 AM CTA LST status - Koji Noda (ICEHAP, Chiba U.)

9:15 AM AGN Observations with the CTAO Large-Sized Telescope Prototype - Joshua Baxter Joshua Baxter (ICRR, Univ. of Tokyo)

9:30 AM Elucidating physical processes in microquasars with multimessenger observations - Susumu Inoue (Chiba University / ICRR, University of Tokyo)

9:45 AM Evaluation of PMT Saturated Pulse Correction for TeV Cosmic-Ray Observations with the CTAO Large-Sized Telescope - Masaki Hashizume (Hiroshima University)
10:00 AM Coffee
Coffee
10:00 AM - 10:20 AM
10:20 AM
10:20 AM - 11:20 AM
Contributions

10:20 AM Current and Future Cherenkov Cameras - Akira Okumura (Nagoya University)

10:35 AM Development of novel pixel sensor AstroPix for future space-based MeV gamma-ray telescopes - Abhradeep Roy (Hiroshima University)

10:50 AM Developing a Fiber Optic Module (FOM) as a New Light Collector for IceCube-Gen2 - Tatsuki Ishii

11:05 AM Development of instruments for MeV gamma rays - Hiroyasu Tajima Hiroyasu Tajima (Nagoya University)
11:20 AM

11:20 AM - 11:40 AM

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