(2025/12/17) 2025 KAIST Global Research Cooperation Awards

• Junhan received the Grand Prize (최우수상) at the 2025 KAIST Global Research Cooperation Awards (글로벌 연구 협력상), recognizing excellence in global research collaboration.

• The award was presented at the 2025 Faculty Celebration for Tenure, Promotion, and Awards Dinner (승진 · 정년보장 임용 · 포상 수상 교원 축하행사), organized by the KAIST Office of Academic Affairs.

(2025/11/18-19) 25th East Asia Submillimeter-wave Receiver Technology Workshop (Taiwan)

• MinSu gave an oral presentation titled "Optimized Frontend Components of the Prototype Ku-band receiver for the COMAP-EoR Experiment".

(2025/11/17-20) 16th East Asian VLBI Workshop (EAVW) 2025 (Phoenix Park, Pyeongchang)

• Junhan, Bong Won Sohn (KASI), and Jeff Hodgson (Sejong University) held a discussion with KAIST–ATNF G-HUB Program collaborators Cormac Reynolds and Chris Phillips from CSIRO Australia on the LAMBDA project during the 16th East Asian VLBI Workshop 2025 (EAVW 2025).

(2025/10/27-30) 2025 Merging Cluster Workshop (Yonsei University)

• Junhan, Yeomoon, and Adriana Gavidia (Caltech) attended the 2025 Merging Cluster Workshop.

• Junhan gave an oral presentation titled "CHEX-MATE: CLUster Multi-Probes in Three Dimensions (CLUMP-3D)".

• Yeomoon presented a poster titled "Gas Axial Ratios and Orientations of the CHEX-MATE DR1 Galaxy Clusters".

(2025/10/23) 2025 Fall Korean Physical Society Meeting (Gwangju)

• KAIST URP student Minjae Kim (2025 Winter/Spring) received the Excellence Award (우수상) in the 2025 KPS Undergraduate Physics Research Competition (학부생 물리연구 경진대회) for the presentation "Identifying Observational Signatures of the Hot Circumgalactic Medium with X-ray Probes Using Cosmological Simulations". Congratulations!

• This follows his previous Excellence Award in the 2025 Winter/Spring URP Workshop and the Outstanding Presentation Award at the 2025 KPS Spring Meeting.

(2025/10/15–10/17) 2025 Fall Korean Astronomical Society Meeting (Jeju)

• MinSu presented a poster titled "Optimized Frontend Components of the Prototype Ku-band Receiver for the COMAP-EoR Experiment".

• Yeomoon presented a poster titled "Gas Axial Ratios and Orientations of the CHEX-MATE DR1 Galaxy Clusters".

(2025/09/10) Dr. Howard Hui’s Visit to KAIST

• Dr. Howard Hui (California Institute of Technology / NASA Jet Propulsion Laboratory) visited KAIST and delivered an Astronomy & Astrophysics Seminar titled "Observing the Early Universe from the South Pole to Space".

(2025/08/06–08/16) Visit to Caltech and OVRO

• Junhan and MinSu visited the California Institute of Technology and the Owens Valley Radio Observatory to collaborate on ongoing research projects, including the CO Mapping Array Project (COMAP).

(2025/07/29) SBS Foundation Scholarship

• MinSu has been awarded the SBS Foundation Scholarship (SBS 문화재단 스칼라십). He will receive research support funding for 5.5 years. Congratulations!

(2025/07/15) Wooseok's Last Day

• Wooseok, who has been working with the ObsCAL group as a post-baccalaureate researcher since September of last year, has completed his time at KAIST.

• He will begin his Ph.D. studies in Astronomy & Astrophysics at University of Chicago this fall. We thank Wooseok for his contributions to the group and wish him all the best as he starts this exciting next chapter. Good luck!

(2025/06/25–06/26) 2025 SKA–Korea Summer Workshop

• The ObsCAL group members attended the 2025 SKA–Korea Summer Workshop held at the Onoma Hotel in Daejeon.

• Junhan served as the chair for the SKA-VLBI town hall session.

(2025/04/09–04/21) 2025 Spring Korean Astronomical Society Meeting (Gyeongju)

• Junhan gave an oral presentation titled "Cosmology with SKA-Mid".

• Wooseok and MinSu presented a poster titled "Development Status of a Prototype Ku-band Receiver for the COMAP-EoR Experiment".

• MinSu presented a poster titled "Lumped-Element Josephson Parametric Amplifier for Wideband Axion Haloscope Readout of DMAG".

• Minjae presented a poster titled "Probing Hot Gas Components of the Circumgalactic Medium through X-ray Signatures".

(2025/03/25) Prof. Masateru Ishiguro’s Visit to KAIST

• Prof. Masateru Ishiguro (Department of Physics & Astronomy at Seoul National University) visited KAIST.

• He delivered an invited talk titled "Asteroid Research at Seoul National University" at the 3rd KAIST Space Institute (KSI) Workshop, held under the theme "Understanding Asteroid-related Research Trends and Identifying Future Exploration Mission Topics."

(2025/03/14) Dr. Jeonghee Rho’s Visit to KAIST

• Dr. Jeonghee Rho (SETI Institute in California and Brain Pool Fellow at Seoul National University) visited KAIST and delivered an Astronomy & Astrophysics Seminar titled "JWST Imaging and Spectroscopy of the Supernova Remnant Cassiopeia A and Molecule and Dust Formation".