Tuesday, September 16, 2025

11:00 AM–11:10 AM Welcoming Remarks

11:10 AM–11:30 AM Poster Presenters

11:30 AM–12:20 PM Poster Session

12:20 PM–1:50 PM Lunch

1:50 PM–2:30 PM Hao Zhang (China Univ. of Geosciences (Wuhan), China)†

1. Laboratory light scattering measurement of planetary regolith analogs
   

2:30 PM–2:50 PM Remi Zerna (IPAG, France)

1. Comparison of scattering properties of meteorite inclusion analogs
   

2:50 PM–3:50 PM Poster Session/Coffee Break

3:50 PM–4:10 PM Florian Felix Rieth (Univ. of Stuttgart, Germany)

1. Development of the DESTINY⁺ Dust Analyzer and future dust instruments by the dust group of the University of Stuttgart
   

4:10 PM–4:30 PM Harald Krüger (MPS, Germany)

1. Dust measurements with the DESTINY⁺ spacecraft en route to the active asteroid (3200) Phaethon and beyond
   

6:00 PM-8:00 PM Night Session/Dinner (Optional)

Wednesday, September 17, 2025

9:20 AM–10:00 AM Giovanna Rinaldi (IAPS-INAF, Italy)†

1. Cometary dust after Rosetta: A team effort
   

10:00 AM–10:20 AM Hiroshi Kimura (Chiba Tech/PERC, Japan)

1. A theoretical study on mechanical properties of aggregate dust and monolithic dust: Toward a better understanding of ejecta cloud formation
   

10:20 AM–11:20 AM Poster Session/Coffee Break

11:20 AM–12:00 PM John A. Paquette (NASA GSFC, USA)†

1. Inefficient growth of silicate grains and widespread formation of fractal dust
   

12:00 PM–12:20 PM Hanako Enomoto (The Univ. of Tokyo, Japan)

1. Exploring the effects of chemical composition and metallic iron on amorphous silicate dust spectra
   

12:20 PM–1:50 PM Lunch

1:50 PM–2:30 PM Florian Kirchschlager (Ghent Univ., Belgium)†

1. Dust destruction in supernova remnants and in the ISM
   

2:30 PM–2:50 PM Santiago Jimenez (Astron. Inst. of Czech Acad. Sci., Czech Republic)

1. Dust survival after shock processing in bipolar circumstellar environments
   

2:50 PM–3:50 PM Poster Session/Coffee Break

3:50 PM–4:10 PM Tim Pearce (Univ. of Warwick, UK)

1. What is hot dust doing so close to main-sequence stars?
   

4:10 PM–4:30 PM Hiroshi Kobayashi (Nagoya Univ., Japan)

1. Silicate features in debris disks
   

6:00 PM-8:00 PM Night Session/Dinner (Optional)

Thursday, September 18, 2025

9:20 AM–9:40 AM Takashi Shimonishi (Niigata Univ., Japan)

1. Dust as a key to understanding the molecular evolution of the low-metallicity universe
   

9:40 AM–10:00 AM Asako Sato (ICE-CSIC, Spain)

1. Refining dust properties in protostellar envelopes and disks: Insights from ALMA, NOEMA, and NIKA2 observations (PEBBLES/ENYGMA)
   

10:00 AM–10:20 AM Ilseung Han (ICE-CSIC, Spain)

1. Simulating early dust evolution in protostellar systems: A radiation-MHD framework
   

10:20 AM–11:20 AM Poster Session/Coffee Break

11:20 AM–12:00 PM Ryo Tazaki (The Univ. of Tokyo, Japan)†

1. Dust characterization in planet-forming disks
   

12:00 PM–12:20 PM François Ménard (IPAG, France)

1. 3D-printed dust analogs for protoplanetary disk studies
   

12:20 PM–1:50 PM Lunch

1:50 PM–6:30 PM Excursion

6:30 PM–8:30 PM Banquet

Friday, September 19, 2025

9:20 AM–10:00 AM József Varga (Konkoly Obs., Hungary)†

1. Dust composition and sub-structures in the inner regions of planet forming disks
   

10:00 AM–10:20 AM Maxime Roumesy (IPAG, France)

1. From disk to dust: The new DRAGyS tool for extracting scattering phase function through disk observation
   

10:20 AM–11:20 AM Poster Session/Coffee Break

11:20 AM–11:40 AM Aigen Li (Univ. of Missouri, USA)

1. JWST and PAHs in protoplanetary disks: Placing constraints on the PAH properties and disk structures
   

11:40 AM–12:00 PM Haruto Oshiro (Science Tokyo, Japan)

1. Collision simulations of compressed icy dust aggregates: Probing the sticking-bouncing boundary
   

12:00 PM–12:20 PM Sebastien Paine (Queen Mary Univ. of London, UK)

1. Dust entrainment in external photoevaporative winds: Theory and observation
   

12:20 PM–1:50 PM Lunch

1:50 PM–2:10 PM Hidehiro Kaneda (Nagoya Univ., Japan)

1. A systematic study of dust in the harsh environments of AGNs with AKARI, Spitzer, and JWST infrared spectroscopy
   

2:10 PM–2:30 PM Ryusei Kano (Nagoya Univ., Japan)

1. A framework for probing dust clump properties in high-redshift galaxies through dust and chemical evolution modeling
   

2:30 PM–2:50 PM Ryo Igarashi (Niigata Univ., Japan)

1. Analysis of grain size evolution using an extended two-size approximation model
   

2:50 PM–3:50 PM Poster Session/Coffee Break

3:50 PM–4:10 PM Xuejuan Yang (Xiangtan Univ., China)

1. Polycyclic aromatic hydrocarbon and the ultraviolet extinction bump at the cosmic dawn
   

4:10 PM–4:30 PM Donaji Esparza Arredondo (IRyA-UNAM, Mexico)

1. Exploring the dusty hearts of active galactic nuclei: Constraints from mid-infrared and X-ray simultaneous Torus modeling
   

6:00 PM-8:00 PM Night Session/Dinner (Optional)

Saturday, September 20, 2025

9:20 AM–9:40 AM Thiem Hoang (KASI, Korea)

1. Magnetically aligned dust as a source of chiral symmetry breaking via spin-polarized electrons
   

9:40 AM–10:00 AM Kenji Amazaki (Tohoku Univ., Japan)

1. Submillimeter excess emission from very small dust grains as a cause of Galactic dust spectral flattening
   

10:00 AM–10:20 AM Linli Yan (Anhui Jianzhu Univ., China)

1. Very large interstellar grains as evidenced by the X-ray halo of Nova Cygni 1992
   

10:20 AM–11:20 AM Poster Session/Coffee Break

11:20 AM–11:40 AM Biwei Jiang (Beijing Normal Univ., China)

1. Extinction law of nearby molecular clouds based on the LAMOST, 2MASS, and Gaia surveys
   

11:40 AM–12:00 PM Marie-Anne Carpine (Paris-Saclay Univ./CEA/DAp, France)

1. From cosmic dust to planet formation: Building new dust models
   

12:00 PM–12:20 PM Qing Liu (Leiden Obs., The Netherlands)

1. Diffuse Galactic light in deep wide-field imaging by the Dragonfly Telephoto Array
   

12:20 PM–1:50 PM Lunch

1:50 PM–2:10 PM Shu Wang (NAOC, China)

1. Atmospheric and dust properties of brown dwarfs based on JWST observations
   

2:10 PM–2:30 PM Prasad Sawant (NCBJ, Poland)

1. Probing the baryon cycle of primordial galaxies: Insights from ALPINE survey with HST, ALMA and JWST
   

2:30 PM–2:50 PM Bo Yang (Univ. of Missouri Columbia, USA)

1. Exploring the dependence of PAH emission on metallicity and starlight spectrum in M101
   

2:50 PM–3:50 PM Poster Session/Coffee Break

3:50 PM–4:30 PM Takashi Onaka (Univ. of Tokyo, Japan)†

1. How does the JWST impact on our understanding of interstellar dust grains?
   

4:30 PM–4:50 PM Alan T. Tokunaga (Univ. of Hawaii, USA)

1. The lack of spectral diversity of the aromatic infrared bands: Implications for the PAH hypothesis
   

4:50 PM–5:00 PM Adjourning Remarks

Poster Presenters:

Carsten Henselowsky (German Aerospace Center, Germany)

1. Japanese-German cooperation in space science
   

Denis Michael Acker (IRS/Univ. of Stuttgart, Germany)

1. Dust detection reimagined: New insights from the DESTINY⁺ DDA
   

Keerthana U (Manipal Centre for Natural Sciences/MAHE, India)

1. Investigating scattering by the impact induced ejecta curtain using the grid of its radiative transfer models
   

Tetsushi Sakurai (Kobe Univ., Japan)

1. Highly porous sintered materials as possible analogs for primordial boulders on the asteroid Ryugu
   

Haruka Fukihara (Kagoshima Univ., Japan)

1. Impact of dust evolution on B-field diffusion in molecular cloud
   

Yuki Yoshida (Kobe Univ., Japan)

1. Simulating dust monomer collisions: temperature dependence
   

Tomomi Omura (Osaka Sangyo Univ., Japan)

1. Mechanical properties of dust layer influenced by hierarchical grain structure: Results from laboratory experiments
   

Ryohei Yuzen (Kobe Univ., Japan)

1. Experimental study on the tensile strength of two-component dust beds
   

Juan Deng (Beijing Normal Univ., China)

1. The multi-wavelength extinction law and its variation in the Coalsack molecular cloud based on the Gaia, APASS, SMSS, 2MASS, GLIMPSE, and WISE surveys
   

Xiaodian Chen (NAOC, China)

1. Impacts of diffuse interstellar dust on precision distance measurements and cosmological inference
   

Juhua Chen (Hunan Normal Univ., China)

1. Optical properties of elongated conducting grains
   

Masashi Nashimoto (NIT Niihama Col., Japan)

1. Toward structural constraints on interstellar amorphous dust based on dielectric properties
   

N.B.

1. •Every speaker is assumed to welcome questions whenever arise.
   

2. •Poster presenters are given 1 minute each for oral presentations.
   

3. •The first 10 min. of each poster session is a core time for poster presentations.
   

4. •Invited speakers are marked with a dagger (†).
   

5. •A compilation of abstracts is available for download.