Hui visited Science Tokyo

Hui, a PhD student at Monash, came to Japan. He will work with Prof Morisaki until mid February. Today he visited us at Science Tokyo and gave a lecture on binary black holes.

OzGrav Annual Retreat 2025

This year, four participants from Japan, including Kentaro, attended the OzGrav Retreat. We hope that more students from Japan will participate next year. During the poster session, Kentaro presented an introduction to the ASPIRE GW projects, and participants were invited to register in order to receive a free sticker.

OzGrav ECR workshop

Ryo, Yusuke and Haoyu participated in the OzGrav ECR Workshop in Melbourne shortly before the Retreat. The workshop provided a friendly forum for early career researchers to communicate and exchange ideas, alongside career development activities such as mentoring sessions, panel discussions, and introductory talks on commonly used tools in the gravitational-wave community. A special session allowed participants to freely meet and ask questions directly to the Chief Investigators, and the program concluded with a social evening featuring bowling, laser tag, and arcade games.

Ruizhe visited UWA

Ruizhe Wan, a research student at Science Tokyo working in Kentaro’s group, had the opportunity to visit UWA for two weeks. During this visit, he participated in experiments on the measurement of thermally induced birefringence together with Carl and Haoyu.

Diego’s visits to UWA and ANU

After a one-month stay in Prof. Linqing Wen’s group at UWA, Diego is visiting ANU again. This time, he will spend another month at ANU working with Sun Ling (Lilly) on a long-term project.

UWA’s 10-Year GW Celebration

The UWA group celebrated the 10-year anniversary of the discovery of gravitational waves with a vibrant event. Professors, postdocs, and students gave short talks highlighting how their research connects to the broader field of gravitational-wave science, underscoring the lasting impact of this milestone discovery.

The academic program was followed by a lively celebration with pizza, drinks, cakes, and fireworks, bringing everyone together in a festive atmosphere. Haoyu was delighted to join this memorable occasion during his stay in Perth.

10-year anniversary of GW discovery

September 14, 2025 is the 10th anniversary of the first discovery of gravitational waves. The first event was a black hole binary merger named GW150914. It has been the highest signal-to-noise ratio event for long time. This year, another BH merger GW250114 recorded the highest signal-to-noise ratio (see the figure; credit by LIGO/J. Tissino (GSSI)/R. Hurt (Caltech-IPAC)).

There are anniversary events in many institutes including Swinburne or UWA here in Australia. Since the 14th was Sunday, the events are held a few days later.

BBQ in Gingin

The Gingin 80-meter interferometer, located about an hour’s drive from Perth, is currently being developed by the UWA team into a high-power cryogenic silicon detector. Recently, Fujita-sensei and his students visited the site. As Gingin is quite remote, it’s a welcoming tradition to share a BBQ with visitors, making each visit both productive and enjoyable.

Prof. Fujita’s Visit to UWA

Prof. Tomohiro Fujita from Ochanomizu University visited UWA with three of his students following their stay at ANU. During their time in Perth, they exchanged research ideas with the UWA group and toured the laboratory. A highlight of the visit was Prof. Fujita’s seminar on the intriguing question “Is Gravity Quantum?” The talk drew one of the largest audiences in the Department of Physics in recent years and generated lively discussions among attendees.

Haoyu is visiting Australia for three months

Haoyu is back in Perth! He’ll be spending the next 2.5 months at UWA working on the characterization of silicon mirrors with crystalline coatings. After that, he’s heading to ANU for a week-long visit before joining the annual OzGrav Retreat in Melbourne.