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

18 Nov 2025, 09:00 → 20 Nov 2025, 17:00 Asia/Tokyo

学術変革(A)マルチメッセンジャー天文学 : 第3回領域研究会

Grant-in-Aid for Transformative Research Areas (A), “Multimessenger Astrophysics” : The third annual conference 

 

開催日時: 2025年11月18日(火) -- 20日(木) 

Nov 18 -20, 2025

開催場所: 鳴子観光ホテル

Venue: Naruko Kanko Hotel

 

参加費：25,000円

Registration fee : 25,000 Japanese yen

発表言語：スライドは英語、トークは英語推奨(学生はどちらでも可)。

From SOC : We continue to have a poster prize this year - One Grand Prize and three Excellent Prizes. Any graduate students and junior postdocs are strongly encouraged to make poster presentations. If you are a senior person supervising graduate students, please tell your students to make a poster presentation. The winner of the Grand Prize will be offered financial support to participate in an international conference!

Tuesday 18 November

13:15 → 14:15 A02: A02: Gravitational Wave 1

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

Speaker: Soichiro Morisaki

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

Speaker: Kazuya Kobayashi

13:45 Black-Hole Ringdown Analysis with LIGO-Virgo-KAGRA O4 Data

Speaker: Motoki Suzuki (ICRR, The University of Tokyo)

14:00 Constraining the Hubble Constant using Cross-Correlation of Gravitational Wave Events

Speaker: Tathagata Ghosh

14:15 → 14:30 Coffee break

14:30 → 16:15 A01: Neutrino 1

14:30 Neutrino Astronomy: Historical Milestones and Future Directions

Speaker: Neilson Kurahashi

15:00 Search for X-ray Transient Counterparts to IceCube Neutrino Alerts with Swift-XRT

Speaker: Yu Miyazato (Chiba University)

15:20 GeV Neutrino Transient Searches with IceCube Upgrade

Speaker: Yukiho Kobayashi (ICEHAP, Chiba University)

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

Speaker: Annika Hollnagel

16:00 Super heavy dark matter origin of the PeV neutrino event: KM3-230213A

Speaker: Kohri Kazuonri

16:15 → 16:30 Coffee break

16:30 → 17:50 B02: Hi-Z GUNDAM

16:30 Status reports on HiZ-GUNDAM

Speaker: Daisuke Yonetoku (Kanazawa University)

16:35 Recent progress in the Development of EAGLE, the Wide-Field X-ray Monitor onboard HiZ-GUNDAM

Speaker: Makoto ARIMOTO (Kanazawa University)

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

Speaker: Hatune Goto

17:05 Improvement of Expected Performance of MONSTER onboard HiZ-GUNDAM satellite

Speaker: Hideo Matsuhara (ISAS, JAXA)

17:20 Current status of evaluation of the Kösters prism on HiZ-GUNDAM/MONSTER

Speaker: Tomoya Hori (Hiroshima Univ)

17:35 Current Status of On-board Software for HiZ-GUNDAM

Speaker: Takumi Togashi (Yamagata University)

17:50 → 18:55 Poster & Free discussion

Wednesday 19 November

09:00 → 10:30 A03: Optical

09:00 Optical observations of neutrino-counterpart analogs in the local universe

Speaker: Keiichi Maeda (Kyoto University)

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

Speaker: Mariko Kimura

09:30 Progress on Optical/infrared observations for GW/neutrino sources

Speaker: Masaomi Tanaka (Tohoku University)

09:45 Subaru observations for IC230724A

Speaker: Shigeo Kimura (Tohoku University)

10:00 A Joint Search for the EM Counterpart to the GW BBH Merger Candidate S250328ae with DECam and PFS

Speaker: Haibin Zhang (NAOJ)

10:15 Heavy Elements in Late-Time Kilonova Spectra: Abundance Constraints from GW170817

Speaker: Salma Rahmouni (Tohoku University)

10:30 → 10:45 Coffee

10:45 → 12:30 C02: Gravitational wave 2

10:45 Monte Carlo Simulations of Radiation Mediated Shocks

Speaker: Hirotaka Ito (RIKEN)

11:00 Collapse of rotating massive stars

Speaker: Sho Fujibayashi (Tohoku University)

11:18 Gamma-Ray Burst Jets in Circumstellar Material: Dynamics and Diversity of Transients

Speaker: Hamid Hamidani (Tohoku University)

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

Speaker: Tastuya Matsumoto

11:54 Dust formation in confined circumstellar material and its impact on kilonova surveys

Speaker: 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

Speaker: Ataru Tanikawa

12:30 → 14:00 Lunch + Poster (cofffee prepared at venue)

14:00 → 15:50 C01: Neutrino 2

14:00 Modeling multi-messenger emission from astrophysical objects

Speaker: Bing Theodore Zhang

14:20 CR Propagation Code Project with MHD-Consistent Transport Coefficient Modeling

Speaker: Wataru Ishizaki (Tohoku University)

14:35 Super-PeV Cosmic-rays in Interacting Supernovae: spectrum and composition

Speaker: Nick Ekanger (Tohoku University)

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

Speaker: Norita Kawanaka

15:05 1D MHD, Lagrange Particle, and Radiative Transfer Hybrid Simulations of Multimessenger Signals from Relativistic Shock Waves

Speaker: Yo Kusafuka (ICRR, The University of Tokyo)

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

Speaker: Riki Matsui

15:35 Applying a Stochastic Acceleration Model to Young Pulsar Wind Nebulae

Speaker: Shuta Tanaka (Aoyama Gakuin University)

15:50 → 16:10 Coffee

16:10 → 17:40 A04: X-ray

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

Speaker: Toshihiro Fujii

16:25 X-ray spectroscopy of accretion disk and jets in Galactic microquasars

Speaker: Megumi Shidatsu (Ehime University)

16:40 MAXI observations of Multimessenger events

Speaker: Motoko Serino (Aoyama Gakuin University)

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

Speaker: Tsunefumi Mizuno (Hiroshima University)

17:10 Evolution from SNe to SNRs with XRISM

Speaker: Aya Bamba (The University of Tokyo)

17:25 Current Status of KOYOH Satellite in 2025

Speaker: Tatsuya Sawano (Kanazawa University)

17:40 → 18:50 Poster & Free discussion

Thursday 20 November

09:00 → 10:00 A05: Gamma-ray

09:00 CTA LST status

Speaker: Koji Noda (ICEHAP, Chiba U.)

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

Speaker: Baxter Joshua

09:30 Elucidating physical processes in microquasars with multimessenger observations

Speaker: 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

Speaker: Masaki Hashizume (Hiroshima University)

10:00 → 10:20 Coffee

10:20 → 11:20 B01: Detector development

10:20 Current and Future Cherenkov Cameras

Speaker: Akira Okumura

10:35 Development of novel pixel sensor AstroPix for future space-based MeV gamma-ray telescopes

Speaker: Abhradeep Roy (Hiroshima University)

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

Speaker: Tatsuki Ishii

11:05 Development of instruments for MeV gamma rays

Speaker: Hiroyasu Tajima

11:20 → 11:40 Poster award, closing