2026 KGWG General Assembly

2026 KGWG General Assembly

We are pleased to announce that the 2025 Winter General Assembly will be held at UNIST from February 24(Tuesday) to February 25(Wednesday), 2026.

This year's program includes dedicated working-group sessions designed to support focused discussions and presentations in each research area. We warmly encourage all members to participate actively in both the discussions and presentations. This workshop is open to all participants, including those who are not KGWG members. Please feel free to share this information with colleagues who may be interested.

Hyung Won Lee
Chairperson of KGWG
 

Registration Deadline: 23:59 February 6 (Fri), 2026 KST
Application for presentations Deadline: 23:59 February 6 (Fri), 2026 KST

(Extended) Registration Deadline: 23:59 February 10 (Tue), 2026 KST  ==> 23:59 February 20 (Fri)
(Extended) Application for presentations Deadline: 23:59 February 10 (Tue), 2026 KST  ==> 23:59 February 20 (Fri) Not for a new talk, but ONLY FOR uproading talk title & abstract and revisions!

Venue

• UNIST, Ulsan
  • Campus Map: https://www.unist.ac.kr/about-unist/directions/map/
  • Call 010 4948 5266 if you have any problem to access meeting places
     
• Main Meeting: Building 104 Room E204
   
• Divisional Meetings: Building 106 T201 (Experiment), Building 106 T202 (Astrophysics), Building 106 T203 (LIGO), Building 106 T206 (KAGRA)

Parking @UNIST

• Parking validation (무료주차권) will be available. 
• A large outdoor parking lot is located behind Building 22 (산학협력관). 

Zoom Connection 

Connection Name: 2026 KGWG General Assembly @UNIST
https://unist-ac-kr.zoom.us/j/87512195980?pwd=DeU9GOIZ0tjbbWJVHV7gR5yxtAyd8c.1

ID: 875 1219 5980
Password: 107642

Accommodation

• No financial support for attendees who need to book their own rooms
• A few rooms at UNIST guest house (on-campus) may be available. Please contact Kyujin Kwak (local host) by kkwak@unist.ac.kr to ask about on-campus rooms. 
• (Business) hotels at downtown Ulsan (about 15 km from UNIST campus: 30 minute taxi ride with about 16,000 KRW): Lotte Hotel Ulsan, Shilla Stay Ulsan, Lotte City Hotel Ulsan, Toyoko Inn Ulsan (Can find booking information by web search)
• Banquet (dinner) on February 24th will be held downtown Ulsan, so staying in that area is recommended.   
• A few motels at Unyang area (near KTX Ulsan station) are also available. 
   

Shuttle Bus

• A bus with 40 seats will be available between UNIST and ShillaStay (about 30 minutes).
• Will leave UNIST at the end of the first day program around 18:30 February 24th to the dinner restaurant near Shillastay Ulsan.
• Will leave Shillastay Ulsan around 08:00 February 25th to UNIST. 

Meals

• Dinner on February 24th: BBQ restauant near Shillarstay Ulsan (이씨솜씨 삼산점 https://naver.me/5mIWaERS ) supported by KASI (Dr. Young-Min Kim)
• Lunch on February 25th: lunchbox supported by UNIST
• Dinner on February 25th: Chineses restaurant near UNIST (walking distance: 박사반점 https://naver.me/5apfmLCG ) supported by UNIST. We will ask what you want to eat during the morning session on February 25th. 

Invited Speakers

• Jae-Young Kim (UNIST): Search for binary supermassive black holes by radio astronomical observations
• Inhyuk Nam (UNIST): Laboratory Astrophysics with ultra-intense lasers
• Kyujin Kwak (UNIST)/John J. Oh (NIMS): 고에너지물리연구소 Update
• Sungho Lee (KASI): 중력파 및 다중신호 천문학 기획연구
• Byeong-Yoon Go (KAIST): Robust Generation of Frequency-Dependent Squeezing in the Presence of Mode Mismatch
• Kyung-ha Lee (SKKU): Optics Working Group (OWG) History & SKKU Progress Updates
• Hyung Won Lee (Inje U): Currently working LVK search pipelines
• Jeong Han Kim (Chungbuk Nat'l U): Dark-Matter Imprints in Gravitational Waves from Binary-Black-Hole Inspirals
• Youngmin Kim (KASI): 중성자별 (TBC)
• Hyung Mok Lee (SNU): 한국 중력파 연구의 회고와 미래
• Junhan Kim (KAIST): Fast Radio Bursts in the Multi‑Messenger Era: Connections to Korean Low‑Frequency Initiatives
• Chang Hee Kim (KASI): The Status of Developing Gravitational Wave Detector Technology at KASI

Program

Day 1 (Feb. 24, Tues.)

• 13:00-13:50 Divisional Meetings
  • Division of Experiment: Rm T201 at Bld 106
  • Division of Astrophysics: Rm T202 at Bld 106
• 14:00--15:30 Session I (Chair: Sungho Lee)
  • 14:00-14:05 Opening address
  • 14:05-14:35 Hyung Mok Lee (SNU): 한국 중력파 연구의 회고와 미래
  • 14:35-15:05 Junhan Kim (KAIST): Fast Radio Bursts in the Multi‑Messenger Era: Connections to Korean Low‑Frequency Initiatives
  • 15:05-15:20 Sangin Kim (Chungnam Nat'l U): Upgrade of seqARIMA and its impact on PE
  • 15:20-15:35 Liliana Velasco(Sogang U., online): Statistical Analysis of FOPT over an Extended Bandwidth as a probe of New Physics
     
• 15:35-15:40 Coffee Break
• 15:40-15:50 Photo Session
•  
• 15:50--18:00 KGWG General Assembly (Chair: Gungwon Kang)
  • 15:50-16:10 
    • New members, Other business
    • Jinho Kim (KASI): 천문학회 중력파분과 현황 보고
  • 16:10-18:00 Issues
    • 한국에서의 중력파 연구 전략
      • Kyujin Kwak (UNIST)/John J. Oh (NIMS): 고에너지물리연구소 Update
      • Sungho Lee (KASI): 중력파 및 다중신호 천문학 기획연구 
    • IGWN (17:00-18:00)
      • IGWN Update 
      • Discussions on Korean membership to IGWN
•  
• 18:30--20:30 Dinner

Day 2 (Feb. 25, Wed.)

• 09:00--9:50 Divisional Meeting
  • Division of LIGO: Rm. T203 at Bld. 106
  • Division of KAGRA: Rm. T206 at Bld. 106
• 10:00-12:30 Session III (Chair: June Gyu Park)
  • 10:00-10:30 Byeong-Yoon Go (KAIST): Robust Generation of Frequency-Dependent Squeezing in the Presence of Mode Mismatch
  • 10:30-11:00 Kyung-ha Lee (SKKU): Optics Working Group (OWG) History & SKKU Progress Updates
  • 11:00-11:30 Hyung Won Lee (Inje U): Currently working LVK search pipelines
  • 11:30-12:00 Jeong Han Kim (Chungbuk Nat'l U): Dark-Matter Imprints in Gravitational Waves from Binary-Black-Hole Inspirals
  • 12:00-12:30 Youngmin Kim(KASI): 중성자별(TBC)
  •  
• 12:30—14:00 Lunch
•  
• 14:00—15:30 Session IV (Chair: Kyujin Kwak)
  • 14:00-14:30 Chang Hee Kim (KASI, online):  Gravitational Wave Detector Technology at KASI
  • 14:30-15:00 Inhyuk Nam (UNIST): Laboratory Astrophysics with ultra-intense lasers
  • 15:00-15:30 Jae-Young Kim (UNIST): Search for binary supermassive black holes by radio astronomical observations
     
• 15:30-15:45 Coffee Break
•  
• 15:45--17:15 Session V (Chair: Jinho Kim)
  • 15:45-16:00 Gungwon Kang (CAU): How is a Black Hole Deformed?
  • 16:00-16:15 Dongchan (CAU): Parameter Space Search for Nonmerging Ringdown Signals in Close Hyperbolic Encounters of Two Black Holes
  • 16:15-16:30 Young-Hwan Hyun (CAU): Horizon Multipoles and the Mechanism of Non-Merging Ringdown
  • 16:30-16:45 Yeong-Bok Bae (CAU): Numerical construction of intrinsic coordinates on deformed black hole horizons
  • 16:45-17:00 Kihyun Jung (UNIST): Characterization of Noise Coupling in KAGRA during O3GK and O4a Observing Runs using Time-Weighted and SNR-Weighted Coherence Analysis
  • 17:00-17:15 Hyunguk Son (CAU): Application of the effective one-body formalism to hyperbolic encounters and its accuracy assessment
  •  
• 17:15--17:25 Hyung Won Lee (President of KGWG): Closing Remark
• 18:00-20:00 Dinner
   

• Program Committee: Gungwon Kang (Chair, Chung-Ang U), Kyujin Kwak (UNIST), Seongho Lee (KASI),  June Gyu Park (Yonsei U), Yeong-Bok Bae (Chung-Ang U), Min Hyo Kim (Sungkyunkwan U)
• LOC: Kyujin Kwak (UNIST)
• Organizing Institution: Korean Gravitational-Wave Group (KGWG)
• Hosting Institution: UNIST
• Supporting Institution: Korea Astronomy and Space Science Institute (KASI)