Program
Day 1 (8/18, Thu)
13:00-17:00 Free discussion
Day 2 (8/19, Wed)
9:00-9:30 Opening
Morning session (Chairperson: Yuta Sakurai)
9:30-10:10 Ryota Hatami（総研大/国立天文台）: "Exploring the Origin of Elemental Abundance in Cassiopeia A"
10:10-10:50 Koya Chiba（東北大）: "Revisiting Line Formations and Opacities in Energetic Transients"
10:50-11:10 Short Break
11:10-11:50 Koji Kawabata（広島大）: TBD
11:50-12:30 Mone Miyamato（広島大）: "星間吸収を受けたIa型超新星の偏光観測を用いた系外銀河のダスト推定"
12:30-14:00 Lunch
Afternoon session (Chairperson: Seiji Toshikage)
14:00-14:40 Levi van den Berg（京都大）: "Spectra and Ionization Efficiencies of Charged Decay Particles in Kilonova Ejecta"
14:40-15:20 Rin Kato（鹿児島大）: "On the Nature of the Steep Decline Observed in the 03fg-like Type Ia Supernova SN 2022pul"
15:20-15:40 Short Break
15:40-16:20 Tomoyuki Kanda（京都大）: "多次元超新星爆発における元素合成"
16:20-17:00 Sokei Hashinuma（東北大）: "II型超新星初期スペクトルの水素バルマー輝線比を用いた星周物質の物理状態の推定"
17:00-17:20 Short Break
17:20-18:00 Shota Wajima（京都大）: "Pulsation of partially stripped RSG and Its Implication to binary evolution"
Day 3 (8/20, Thu)
Morning session (Chairperson: Ryota Hatami)
9:30-10:10 Ryotaro Chiba（総研大/国立天文台）: "How much does asphericity affect inference of SN circumstellar environment from radio observation? "
10:10-10:50 Yuta Matsubayashi（東北大）: "連星中性子星合体スペクトルのnon-LTE解析による重元素合成の検証"
10:50-11:10 Short Break
11:10-11:50 Kotaro Okuda（広島大）: TBD
11:50-12:30 Shun Hatano（総研大/国立天文台）: "A High Incidence of Mid-infrared Variability in Local Ultraluminous Infrared Galaxies"
12:30-14:00 Lunch
14:00-17:30 Free Discussion
18:00-20:00 Banquet
Day 4 (8/21, Fri)
Morning session (Chairperson: Sota Goto)
9:30-10:10 Qiliang Fang（国立天文台）: "Parameter Inference with the Light Curves of Stripped-Envelope Supernovae: Degeneracies and Biases"
10:10-10:50 Riko Namba（鹿児島大）: "Photometric and Spectroscopic Observations of the Type IIb SN 2026dix"
10:50-11:10 Short Break
11:10-11:50 Yuta Sakurai（京都大）: "Theoretical Modeling of Near-Infrared Echos from Tidal Disruption Events"
11:50-12:30 Ryo Ishikawa（東北大）: "Chemical Fossils of the First Stars’ Supernovae: Identifying Mono-Enriched Stars for Pop III Yield fitting"
12:30-14:00 Lunch
14:00-15:00 Nagayama Laboratory Tour
Afternoon session (Chairperson: Koya Chiba)
15:00-15:40 Kenta Taguchi（京都大）: TBD
15:40-16:20 Sota Goto（鹿児島大）: Late-time Near-Infrared Rebrightening in a Type Ib Supernova: Exploring a Possible Infrared Echo
16:20-17:00 Seiji Toshikage（東北大）: "A Type Ia Supernova Candidate at z ≃ 4.5 discovered by JWST"
17:00-17:20 Short Break
17:20-18:00 Masayuki Yamanaka（鹿児島大）: "Near-Infrared and Optical Light Curve Study of Luminous Red Novae"