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Subaru Users Meeting FY2025

October 29 - 31, 2025 JST
Large Seminar Room, Mitaka Campus, National Astronomical Observatory of Japan (NAOJ)

Purpose

Thanks to the long-term efforts of the Subaru community and international collaborations, the Prime Focus Spectrograph (PFS) has begun science operations this spring, and a large amount of exciting observational data is now being delivered. For further success of the Subaru Telescope, we also need to promote the development of the ULTIMATE-Subaru, accelerate the synergistic observation with LSST and Roman, and innovate the observational technology via PI-type instruments development. As the situation surrounding Subaru changes dynamically every year, the annual Subaru Users Meeting is a vital opportunity for community members to gather, share the latest scientific results, understand the future outlook, and explore ways to collaborate. It is also an important opportunity for the observatory to receive feedback from the community, and to sophisticate the observatory's strategy toward the future, "Subaru 3". We encourage everyone in the Subaru community to participate in this users meeting, and join intensive, exciting discussions on various topics around the Subaru Telescope.

Registration

All participants to the Subaru Users Meeting FY2025 require registration via Registration Form by the following dates.

Due date
Oral/Poster Presentation Wednesday, September 24, 2025
Banquet on 10/30(Thu) Wednesday, September 24, 2025
Travel support Wednesday, September 24, 2025
On-site participation Wednesday, October 15, 2025
Online participation Wednesday, October 22, 2025

(*) Zoom information will be provided for those who submit registration.

Handling of Personal Information

To organize the Subaru Users Meeting FY2025, the organizing committee (subaru_um (at) naoj.org) collects your personal information, namely, your name, affiliation and e-mail address. We use your personal information only for organizing this meeting. We will keep some of your information until the next users meeting as a reference for it. By submitting the registration form, you agree that your personal data will be sent to the organizing committee and will be processed for the meeting organization.

Outline

Meeting Title Subaru Users Meeting FY2025
Date Wednesday, October 29 to Friday, October 31, 2025 JST
Venue Large Seminar Room, Mitaka Campus, National Astronomical Observatory of Japan (NAOJ)
Hosted by Subaru Science Advisory Committee (SAC), and Subaru Telescope
Meeting Style Hybrid
On-site at the Mitaka Campus, and
Online via Zoom
(*) Zoom information will be provided for those who submit registration.
Banquet Thursday, October 30, at 6pm
at the Large Seminar Room in the Mitaka Campus NAOJ
Organizing Committee Masayuki Tanaka (NAOJ)
Hirofumi Okita (NAOJ)
Yuhei Takagi (NAOJ)
Yuki Moritani (NAOJ)
Itsuki Ogami (NAOJ)
Tomoki Morokuma (Chiba Institute of Technology, SAC)
Daisuke Iono (NAOJ, SAC)
Mariko Kubo (Kwansei Gakuin University, SAC)

(Tentative) Program

All date and time are in JST.

Day 1, 10/29(Wed)

Time Title Speaker
10:00-12:00 Reports from the Observatory
(12:00-13:30) (Lunch break)
13:30-17:30 Discussions and contributed talks

Day 2, 10/30(Thu)

Time Title Speaker
9:00-10:30 Reports from Maunakea observatories
10:30-17:30 Discussions and contributed talks
(12:00-13:30) (Lunch break)
18:00- Banquet

Day 3, 10/31(Fri)

Time Title Speaker
9:00-16:30 Discussions and contributed talks
(12:00-13:30) (Lunch break)

Poster Presentations

No. Poster Title Author

(*) There will be discussions and reports on future instruments and collaborations (LSST/Roman/HWO/TMT), instruments (MOIRCS/FOCAS, etc), SSP (PFS, IRD), and intensive programs.

(*) We plan to take a longer lunch break and delay the closing time due to the closure of the cafeteria in Mitaka Campus.

Venue & Travel

The Subaru Users Meeting FY2025 will be held with a hybrid stye, on-site in the Mitaka campus NAOJ and online via Zoom. The on-site meeting is at the large seminar room on the 1st floor of the Subaru building (Campus Map-W1) in the Mitaka campus, National Astronomical Observatory of Japan (NAOJ). Zoom information will be provided to the resgisterd participants.

We have a small budget to support your domestic travel (transportation and accommodation costs) for those who are affiliated with domestic organizations.

Unfortunately, there is no vacancy in the Cosmos Lodge (Campus Map-N1) in the Mitaka campus NAOJ at the time of writing this page.

Mitaka Campus NAOJ

Mitaka Campus, National Astronomical Observatory of Japan
2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan

Access Information: ACCESS

Visitor Card Key (IMPORTANT)

NAOJ requires all visitors to register at the guard house (Campus Map-C1) upon their arrival. Please show your photo ID at the guard house next to the main gate. The organizing committee will submit pre-registation to the guard house so you only need to show your ID. A card key will be provided at the guard house, which you will need to enter buildings in the campus. You can keep the card key during the meeting (10/29-31), and return it to the guard house on the last day of your participation.

Code of Conduct

All attendees at the Subaru Users Meeting FY2025 must agree to the NAOJ Code of Conduct.

Contact

If you have any questions, contact us at

subaru_um (at) naoj.org

Last Update: August 27, 2025