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 18 November 2025 (09:00) to Thursday 20 November 2025 (17:00)

Monday 17 November 2025
Tuesday 18 November 2025
13:15 A02: Gravitational Wave 1
A02: Gravitational Wave 1
13:15 - 14:15
Contributions

13:15 Results from the LIGO-Virgo-KAGRA Fourth Observation - Soichiro Morisaki

13:30 Accurate Estimation of the Spin Distribution of Binary Black Holes Using Gravitational-Wave Data - Kazuya Kobayashi

13:45 Black-Hole Ringdown Analysis with LIGO-Virgo-KAGRA O4 Data - Motoki Suzuki (ICRR, The University of Tokyo)

14:00 Constraining the Hubble Constant using Cross-Correlation of Gravitational Wave Events - Tathagata Ghosh
14:15 Coffee break
Coffee break
14:15 - 14:30
14:30
14:30 - 16:15
Contributions

14:30 Neutrino Astronomy: Historical Milestones and Future Directions - Neilson Kurahashi

15:00 Search for X-ray Transient Counterparts to IceCube Neutrino Alerts with Swift-XRT - Yu Miyazato (Chiba University)

15:20 GeV Neutrino Transient Searches with IceCube Upgrade - Yukiho Kobayashi (ICEHAP, Chiba University)

15:40 Detector Design for the Next Generation of IceCube Optical Modules - Annika Hollnagel

16:00 Super heavy dark matter origin of the PeV neutrino event: KM3-230213A - Kohri Kazuonri
16:15 Coffee break
Coffee break
16:15 - 16:30
16:30
16:30 - 17:50
Contributions

16:30 Status reports on HiZ-GUNDAM - Daisuke Yonetoku (Kanazawa University)

16:35 Recent progress in the Development of EAGLE, the Wide-Field X-ray Monitor onboard HiZ-GUNDAM - Makoto ARIMOTO (Kanazawa University)

16:50 Construction and First Evaluation of the HiZ-GUNDAM/EAGLE Optics System Prototype - Hatune Goto

17:05 Improvement of Expected Performance of MONSTER onboard HiZ-GUNDAM satellite - Hideo Matsuhara (ISAS, JAXA)

17:20 Current status of evaluation of the Kösters prism on HiZ-GUNDAM/MONSTER - Tomoya Hori (Hiroshima Univ)

17:35 Current Status of On-board Software for HiZ-GUNDAM - Takumi Togashi (Yamagata University)
17:50

17:50 - 18:55
Wednesday 19 November 2025
09:00
09:00 - 10:30
Contributions

09:00 Optical observations of neutrino-counterpart analogs in the local universe - Keiichi Maeda (Kyoto University)

09:15 Rapid variability in black-hole systems and our efforts for multi-wavelength observations - Mariko Kimura

09:30 Progress on Optical/infrared observations for GW/neutrino sources - Masaomi Tanaka (Tohoku University)

09:45 Subaru observations for IC230724A - Shigeo Kimura (Tohoku University)

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

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

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

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

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

11:36 Late-time Radio Flares in Tidal Disruption Events - Tastuya Matsumoto

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

12:12 Theoretical studies on formation mechanism of compact binary stars discovered from Gaia Data Release 3 - Ataru Tanikawa
12:30 Lunch + Poster (cofffee prepared at venue)
Lunch + Poster (cofffee prepared at venue)
12:30 - 14:00
14:00
14:00 - 15:50
Contributions

14:00 Modeling multi-messenger emission from astrophysical objects - Bing Theodore Zhang

14:20 CR Propagation Code Project with MHD-Consistent Transport Coefficient Modeling - Wataru Ishizaki (Tohoku University)

14:35 Super-PeV Cosmic-rays in Interacting Supernovae: spectrum and composition - Nick Ekanger (Tohoku University)

14:50 Possibility of High Energy Neutrino Production in Super-Eddington Accreting Black Holes - Norita Kawanaka

15:05 1D MHD, Lagrange Particle, and Radiative Transfer Hybrid Simulations of Multimessenger Signals from Relativistic Shock Waves - Yo Kusafuka (ICRR, The University of Tokyo)

15:20 Multi-wavelength emission associated with X-ray flares of GRBs - Riki Matsui

15:35 Applying a Stochastic Acceleration Model to Young Pulsar Wind Nebulae - Shuta Tanaka (Aoyama Gakuin University)
15:50 Coffee
Coffee
15:50 - 16:10
16:10
16:10 - 17:40
Contributions

16:10 Challenging Charged Particle Astronomy with the Global Cosmic Ray Observatory - Toshihiro Fujii

16:25 X-ray spectroscopy of accretion disk and jets in Galactic microquasars - Megumi Shidatsu (Ehime University)

16:40 MAXI observations of Multimessenger events - Motoko Serino (Aoyama Gakuin University)

16:55 CAMELOT and IXPE: All-Sky Monitoring and Polarimetry for Multimessenger Astrophyscs (3) - Tsunefumi Mizuno (Hiroshima University)

17:10 Evolution from SNe to SNRs with XRISM - Aya Bamba (The University of Tokyo)

17:25 Current Status of KOYOH Satellite in 2025 - Tatsuya Sawano (Kanazawa University)
17:40

17:40 - 18:50
Thursday 20 November 2025
09:00
09:00 - 10:00
Contributions

09:00 CTA LST status - Koji Noda (ICEHAP, Chiba U.)

09:15 AGN Observations with the CTAO Large-Sized Telescope Prototype - Baxter Joshua

09:30 Elucidating physical processes in microquasars with multimessenger observations - Susumu Inoue (Chiba University / ICRR, University of Tokyo)

09:45 Evaluation of PMT Saturated Pulse Correction for TeV Cosmic-Ray Observations with the CTAO Large-Sized Telescope - Masaki Hashizume (Hiroshima University)
10:00 Coffee
Coffee
10:00 - 10:20
10:20
10:20 - 11:20
Contributions

10:20 Current and Future Cherenkov Cameras - Akira Okumura

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

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

11:05 Development of instruments for MeV gamma rays - Hiroyasu Tajima
11:20

11:20 - 11:40