Program

The symposium aims to bring together leading researchers from various fields, including astronomical observation, analysis of extraterrestrial samples, theoretical modeling of star and planetary system formation, computational chemistry, laboratory experiments on gas phase reactions and surface chemistry. Our goal is to discuss the latest advancements and challenges in the field of astrochemistry.

Invited speakers

Silvia Alessandrini (U. Bologna, Italy)
Harold Connolly Jr. (Rowan U., USA)
Izaskun Jimenez-Serra (CSIC-INTA, Spain)
Ralf I Kaiser (U. Hawai'i, USA)
Hiroyuki Koshida (U. Tokyo, Japan)
Valerio Lattanzi (MPI, Germany)
Charles Law (U. Virginia, USA)
Angel Mojarro  (NASA GSFC, USA)
German Molpeceres (CSIC, Spain)
Hiroshi Naraoka (Kyushu U., Japan)
Nami Sakai (RIKEN, Japan)
Daniel Wolf Savin (Columbia U., USA)
Hyung-Joon Shin (UNIST, Korea)
Ian Sims (Rennes U., France)
Hikaru Yabuta (Hiroshima U., Japan)

Abstracts

Please download abstracts from here. 

DAY1 – November 19

08:30–09:00 Registration desk open
09:00–09:10 Opening remarks – Shogo Tachibana
09:10–09:55 Harold Connolly Jr. – Asteroid Bennu as Revealed by the OSIRIS-REx Sample Analysis Team
09:55–10:15 Tetsuya Hama – Infrared band strengths of dangling OH features in amorphous water
10:15–10:35 Atsuki Ishibashi – Reaction of CO + OH on dust surfaces: major production of HOCO rather than CO2
   Coffee break
11:05–11:25 Takuya Majima – Negative ion formation on methanol droplets and ice surfaces induced by fast heavy ion collisions
11:25–12:10 Hiroshi Naraoka – Organic molecules in Ryugu: Their origins and formation mechanisms
　Lunch
13:50–14:35 Hiroyuki Koshida – Molecular Interactions and Temperature Dependent Structure of Water on Surfaces
14:35–14:55 Yousoo Kim – Single-molecule approach towards surface astrochemistry
　Poster & Coffee
15:55–16:40  Angel Mojarro –  Organic Matter in the Solar System
16:40–17:00 Yao-Lun Yang – Complex Organic Ice in a Young Protostar Unveiled by JWST IFU Spectroscopy
17:00–17:20 Kenji Furuya – Incorporating binding energy distribution in astrochemical kinetic models

DAY2 – November 20

09:00–09:45 Charles Law – Sulfur Chemistry in Protoplanetary Disks as a Window into Planet Formation
09:45–10:05 Yoshihide Yamato – Observations of Sulfur-bearing Molecules in the Inner Disk of HD 163296
10:05–10:25 Ayano Komaki – Evolution of Protoplanetary Disks
   Coffee break
10:55–11:40 Ralf I Kaiser – Radical-Radical Reactions in Circumstellar Envelopes of Evolved Carbon Stars: An Overlooked Source of Polycyclic Aromatic Hydrocarbons (PAHs)
11:40–12:00 Joshua Herbert Marks – Candied Stardust: Molecular Mass Growth Processes of Sugars in the Circumstellar and Interstellar Medium
　Group Photo & Lunch
13:50–14:10 Hiroshi Hidaka – Measurement of Local Contact Potential Difference Distribution on Amorphous Ice Surface Using Low-Temperature Atomic Force Microscopy
14:10–14:55 Hyung-Joon Shin – Controlled dissolution of a single ion from salt
　Poster & Coffee
15:55–16:15 Naoki Watanabe –  Observation of radical behaviours on ice at low temperatures
16:15–17:00 German Molpeceres – Examples of unconventional hydrogenation reactions on interstellar dust grains
17:00–17:20 Yuri Aikawa –  Highlights of theory macro team

DAY3 – November 21

09:00–09:45 Ian Sims – Absolute rate coefficients and branching fractions for low temperature reactions and inelastic collisions of astrophysical interest
09:45–10:05 Tatsuhiro Murakami – Dynamics simulation study of the thermal rate coefficients and branching fractions for the ion-molecule collision reactions
10:05–10:50 Daniel Wolf Savin – Laboratory Studies of Key Gas-Phase Astrochemical Processes: Electron- and Ion-Driven Reactions
   Coffee break
11:20–11:40 Yuji Nakano – Towards a Laboratory Study of State-Selective Ion-Neutral Reactions with a Merging Beam Technique
11:40–12:00 Kunihiro Okada – Measurement of reaction rates between acetonitrile and nitrogen molecular ions
12:00–12:20 Shogo Tachibana – What we have learned and hope to learn from asteroid Ryugu samples

　Lunch
　Excursion
   Banquet

DAY4 – November 22

09:00–09:45 Valerio Lattanzi –  The Center for Astrochemical Studies: A Laboratory and Observational Snapshot of Its First Ten Years
09:45–10:05 Masashi Tsuge – Methane formation via the sequential hydrogenation of carbon atoms on icy grains: A remarkable effect of adsorption states
10:05–10:50 Izaskun Jimenez-Serra – Towards prebiotic chemistry in the interstellar medium
   Coffee break
11:20–12:05 Nami Sakai – Exploring Chemical Diversity in the early stages of Solar-type protostars with ALMA
　Lunch & Organizer meeting
13:50–14:10 Yoshimasa Watanabe – Oxygen Isotope Ratios Derived from CH3OH Isotopologues in Orion KL
14:10–14:30 Shota Notsu – Chemically layered structures and ionisation in the disk and envelope of NGC 1333 IRAS 4C: FAUST
14:30–15:15 Silvia Alessandrini – Computational modelling of molecules and their gas-phase formation pathways in the interstellar medium
　Coffee break
15:45–16:05 Daniel Harsono – Water in low mass protostars
16:05–16:25 Ryota Ichimura – Carbon Isotope Fractionation of Complex Organic Molecules in Star-Forming Cores
16:25–17:10 Hikaru Yabuta –  Macromolecular organic matter in asteroid Ryugu – Updates and Questions
17:10–17:20 Closing remarks – Nami Sakai

Poster

1-1　Haruki Ota – Theoretical study of thermal rate coefficients and branching fractions in ion-molecule reactions involving H2D+, HD+, and D+ with HNCO

1-2　Hidemasa Teraoka – Application of microscopic attenuated-total-reflection infrared spectroscopy to in situ surface analysis of plant cuticle

1-3　Hiroshi Kohguchi – Measurements of Ion-molecule Reactions of NO+ and Hydrocarbons

1-4　Ian Fitch Mochida – Surface coverage of dangling OH bonds on interstellar amorphous water ice

1-5　Jun-ichi Takahashi – Terrestrial biomolecular homochirality induced by spin-polarized lepton radiation in interstellar environment and primitive planetary atmosphere

1-6　Kensei Koizumi – Desorption of hydroxyl radicals in the 213 nm photodissociation of liquid oleic acid

1-7　Kentaro Noguchi – Development of high-pressure reflection high-energy electron diffraction for studying the structure of vapor-deposited ice

1-8　Kota Iwata – Analysis of surface structure of ice-I by high-resolution atomic force microscope

1-9　Masahiko Okumura – Molecular Dynamics Simulation Study of Amorphous Ice Covering Interstellar Dust

1-10　Megumi Matsumoto – Investigation of impact melt splashes on Ryugu particle surfaces: Records of interplanetary dust impacts on asteroid Ryugu

1-11　Raiki NIshizawa – Impurity effects on ultraviolet absorption of unsaturated fatty acid

1-12　Reo Sato – In situ electron diffraction analysis of vapor-deposited water ice at 120 K

1-13　Shiori Inada – Interaction between silicate surface and gas-phase H2 and H2O at high temperatures: kinetic experiments on sublimation of forsterite

1-14　Shota Saito – Photolysis and photoabsorption cross section of liquid saturated fatty acid

1-15　Takanori Matsui – Effect of surface treatment on the organic coating of Fe3O4 nanoparticles

1-16　Takeshi Hasegawa – Experimental measurement of infrared band strength for dangling OH bonds in interstellar ice analogue

1-17　Tatsuhiro Hirai – Gas adsorption on the magnetite surface studied by scanning tunnelling microscopy

1-18　Valentina Forero Fuentes – Formation of diverse water-soluble molecules through experimental hydrothermal alteration of insoluble organic matter from carbonaceous chondrites

1-19　 Yukako Matsumoto –  Ryugu – A potential pristine reservoir of missing labile organic molecules in carbonaceous chondrites

1-20　Shogo Tachibana – What we have learned and hope to learn from asteroid Ryugu samples

DAY2 – November 20

2-1　Hajime Tanuma –  Observation of isomer for H3+ with ion mobility spectrometry

2-2　Hanako Enomoto – Revealing the Compositional Diversity of the Amorphous Silicate Dust around AGB stars

2-3　Hiroma Okubo – New insights on the nearby galaxy NGC 1068 with multi-line analysis by unsupervised machine learning

2-4　Ivan Judah Manoraj – Central Star and Nearby Massive Star Influence on UV Synthesis of Organics in Protoplanetary Disks

2-5　Yohgo Nose –  A laboratory study for rotational spectroscopy of doubly deuterated methanol (CH2DOD) by SUMIRE

2-6　Kenta Mizuse – Molecular movie spectroscopy for van der Waals clusters

2-7　Moe Mishima – Jets and Outflows in Young Protostars Probed by JWST IFU Spectroscopy

2-8　Ross Alexander Burns – VLBI observations of methanol masers during a high-mass protostar accretion burst

2-9　Shohei Yamazaki – Quantum chemical calculations on the photoreactions of c-C3H2 and c-C3HCCH

2-10　Shoto Nakagawa – Collision branching dynamics in the interstellar H3+ + HNCO

2-11　Takahiro Oyama – Laboratory measurement of methanol isotopologues by using the emission type spectrometer SUMIRE

2-12　Takashi Shimonishi – ALMA 350 GHz Spectral Line Survey of an Organic-poor High-mass Protostar in the Large Magellanic Cloud

2-13　Tomoya Hirota – Flux variation of the methanol lines in the high-mass young stellar object G24.33+0.14

2-14　Tomoyuki Hanawa – The Origin of the Shell Structure in the Primary Outflow from IRAS 15398-3359

2-15　Yoichi Nakai – Reactions of low-energy ions with an ice surface at low temperature conditions

2-16　Yuki Okoda – Effects of a Young Protostar's Evolution on its Surroundings

2-17　Yuto Komichi – A study on chemical evolution during molecular cloud formation based on 3-dimensional MHD simulations

2-18　Kunihiro Okada – Experimental study of low-energy ion—polar-molecule reactions by a new approach

2-19　Kazuaki Kuwahata – Nuclear quantum effect in the phase transition between ice VII and ice X

2-20　Akemi Tamanai – Experimental Molecular Emission Spectroscopy of Chiral Molecules in ALMA Band 6