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Star Forming Galaxies in the Reionization Epoch:
Ishigaki-Jima, Okinawa, 17 Mar. - 20 Mar. 2026
Scientific rationale
Scientific rationale
Recent breakthroughs from the James Webb Space Telescope (JWST) are transforming our view of galaxy formation in the early Universe. Rest-frame observations of galaxies in the reionization epoch now reveals several surprising discoveries about galaxy evolution at high redshift. The Atacama Large Millimeter/submillimeter Array (ALMA) offers a unique, complementary view by probing the cold gas, obscured star formation, and dust—components mostly invisible to JWST. This workshop aims to define ALMA-driven science cases that address these emerging questions from JWST observations, and to foster new collaborations in this fast-evolving field.
The main goals are to discuss current challenges of ALMA observations and define our next-stage observations targeting to solve questions related with:
Evolution of star forming galaxies in the epoch of reionization
Dust formation and dust obscured star formation activities
Neutral gas supplies that drive galaxy evolution
This workshop brings together researchers across career stages, in observations and theoretical studies, to develop innovative ALMA science case through several interactions in a friendly atmosphere.
Important Dates
Important Dates
2025-10-22: Open abstract submission
2025-11-22: Close abstract submission
2025-12-(2nd week): Abstract results and Open registration
2025-03-17: Workshop starts
Abstract submission
All participants are expected to provide ~10+3' talk (TBD). Due to the program and venue limitation, total number of participants may be subject to selections based on science scopes, except for invited participants.
Abstract Submission closed
Thank you very much for your registration!
Registration fee 5000JPY (to be paid after the abstract selection results are announced)
Keynote Speakers
Pratika Dayal
Manuel Aravena
Pascal Oesch
Yurina Nakazato
Sander Schouws
Mengyuan Xiao
SOC
Yoshinobu Fudamoto (Chiba University)
Natsuki H. Hayatsu (Waseda University)
Miroslava Dessauges-Zavadsky (University of Geneva)
Denis Burgarella (Laboratoire d’Astrophysique de Marseille)
Eiichi Egami (The University of Arizona)
LOC
Yoshinobu Fudamoto (Chiba University)
Natsuki H. Hayatsu (Waseda University)
Wataru Osone (University of Tsukuba)
Yi W. Ren (Waseda University)
We sincerely appreciate the funding and support provided for this workshop by NAOJ-ALMA project (ALMA workshop 2025), the International Leading Research Program “Comprehensive understanding of the formation history of structures in the Universe” (22K21349), and Society of Promotion of Space Science
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