Cosmic Dust
 
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)†
Laboratory light scattering measurement of planetary regolith analogs ➤
2:30 PM–2:50 PM Remi Zerna (IPAG, France)
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)
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)
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)†
Cometary dust after Rosetta: A team effort ➤
10:00 AM–10:20 AM Hiroshi Kimura (Chiba Tech/PERC, Japan)
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)†
Inefficient growth of silicate grains and widespread formation of fractal dust ➤
12:00 PM–12:20 PM Hanako Enomoto (The Univ. of Tokyo, Japan)
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)†
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)
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) — CANCELED
What is hot dust doing so close to main-sequence stars?
4:10 PM–4:30 PM Hiroshi Kobayashi (Nagoya Univ., Japan)
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)
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)
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)
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)†
Dust characterization in planet-forming disks ➤
12:00 PM–12:20 PM François Ménard (IPAG, France) — sick leave
3D-printed dust analogs for protoplanetary disk studies
12:20 PM–1:50 PM Lunch
1:50 PM–6:30 PM Excursion@Ikaruga no Sato
6:30 PM–8:30 PM Banquet@Lagunaveil OSAKA
Friday, September 19, 2025
9:20 AM–10:00 AM József Varga (Konkoly Obs., Hungary)†
Dust composition and sub-structures in the inner regions of planet forming disks ➤
10:00 AM–10:20 AM Maxime Roumesy (IPAG, France)
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)
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)
Collision simulations of compressed icy dust aggregates: Probing the sticking-bouncing boundary ➤
12:00 PM–12:20 PM Sébastien Paine (Queen Mary Univ. of London, UK)
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)
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)
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)
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)
Polycyclic aromatic hydrocarbon and the ultraviolet extinction bump at the cosmic dawn ➤
4:10 PM–4:30 PM Donaji Esparza-Arredondo (IRyA-UNAM, Mexico)
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) — CANCELED
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)
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)
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)
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)
From cosmic dust to planet formation: Building new dust models ➤
12:00 PM–12:20 PM Qing Liu (Leiden Obs., The Netherlands)
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)
Atmospheric and dust properties of brown dwarfs based on JWST observations ➤
2:10 PM–2:30 PM Prasad Sawant (NCBJ, Poland) — CANCELED
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)
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)†
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)
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 (DLR, Germany)
Japanese-German cooperation in space science ➤
Denis Michael Acker (IRS/Univ. of Stuttgart, Germany)
Dust detection reimagined: New insights from the DESTINY⁺ DDA 
Keerthana U (MCNS/MAHE, India)
Investigating scattering by the impact induced ejecta curtain using the grid of its radiative transfer models ➤
Tetsushi Sakurai (Kobe Univ., Japan)
Highly porous sintered materials as possible analogs for primordial boulders on the asteroid Ryugu ➤
Haruka Fukihara (Kagoshima Univ., Japan)
Impact of dust evolution on B-field diffusion in molecular cloud ➤
Yuki Yoshida (Kobe Univ., Japan)
Simulating dust monomer collisions: temperature dependence ➤
Tomomi Omura (Osaka Sangyo Univ., Japan)
Mechanical properties of dust layer influenced by hierarchical grain structure: Results from laboratory experiments ➤
Ryohei Yuzen (Kobe Univ., Japan)
Experimental study on the tensile strength of two-component dust beds ➤
Juan Deng (Beijing Normal Univ., China)
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)
Impacts of diffuse interstellar dust on precision distance measurements and cosmological inference 
Juhua Chen (Hunan Normal Univ., China)
Optical properties of elongated conducting grains ➤
Masashi Nashimoto (NIT Niihama Col., Japan)
Toward structural constraints on interstellar amorphous dust based on dielectric properties ➤
Ayaka Okuya (Univ. of Warwick, UK)
Detecting water ice and vapor in debris disks around white dwarfs with future PRIMA observations ➤

N.B.
Every speaker is assumed to welcome questions whenever arise.
Poster presenters are given 1 minute each for oral presentations.
The first 10 min. of each poster session is a core time for poster presentations.
Invited speakers are marked with a dagger (†).
Best poster awardees are marked with a ribbon ().
A compilation of abstracts is available for download.
Click on arrowheads (➤) to download associated presentations [authorized persons only].

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) — CANCELED

  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) — sick leave

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

12:20 PM–1:50 PM Lunch

1:50 PM–6:30 PM Excursion@Ikaruga no Sato

6:30 PM–8:30 PM Banquet@Lagunaveil OSAKA

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 Sébastien 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) — CANCELED

  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) — CANCELED

  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 (DLR, 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 (MCNS/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 ➤

Ayaka Okuya (Univ. of Warwick, UK)

  1. Detecting water ice and vapor in debris disks around white dwarfs with future PRIMA observations ➤


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. •Best poster awardees are marked with a ribbon ().

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

  7. •Click on arrowheads (➤) to download associated presentations [authorized persons only].

Program