ALMA/45m/ASTE Users Meeting 2025
Program

December 15 (Mon), 2025

TimeSession / TalkSpeaker
10:30-10:45Registration
10:40AnnouncementLOC
Session 1 ALMA
10:45-10:55ALMA general reportMisato Fukagawa (NAOJ)
10:55-11:20ALMA science operations reportTakuma Izumi (NAOJ)
11:20-11:35Cycle12 proposal statisticsBunyo Hatsukade (NAOJ)
11:35-11:55SAC reportHideo Sagawa (Kyoto Sangyo U.)
Lunch Break 11:55-13:30
13:30-13:50ALMA Observatory StatusNorikazu Mizuno (JAO)
13:50-14:10Introduction and update to ALMA TaiwanTien-Hao Hsieh (ASIAA)
14:10-14:30Report from Korean ARC NodeSeokho Lee (KASI)
14:30-14:50Science highlightsSeiichiro Naito (NAOJ)
Break 14:50-15:10
15:10-15:30WSU general reportShun Ishii (NAOJ)
15:30-15:45Band 8 version 2 (Band8v2)Keiko Kaneko (NAOJ)
15:45-16:00Total Power GPU Spectrometer (TPGS)Takashi Nakamoto (NAOJ)
16:00-16:15Questions and Discussion (WSU/Development)Shun Ishii (NAOJ)
16:15-16:45Discussion (ALMA)Takuma Izumi (NAOJ)
Break 16:45-17:00
Session 2 Poster session
17:00-17:30Poster session

December 16 (Tue), 2025

TimeSession / TalkSpeaker
9:30-9:45Registration
Session 3 ALMA
9:45-10:05CASA/Pipeline updatesKotomi Taniguchi (NAOJ)
10:05-10:25Data Structure and archivePei-Ying Hsieh (NAOJ)
10:25-10:55DiscussionKouichiro Nakanishi (NAOJ)
Break 10:55-11:15
Session 4 Contribution talks
11:15-11:30FINER: Far-Infrared Nebular Emission Receiver for LMT Leveraging ALMA/WSU TechnologyAkio Taniguchi (KIT)
11:30-11:45[OI] 145um view of dense outflows and PDRs in the z~6 quasar J2054-0004Mahoshi Sawamura (U. of Tokyo)
11:45-12:00Multi-Phase Galaxy Evolution in a Galaxy Protocluster Core at z ~ 8Yoshinobu Fudamoto (Chiba U.)
Lunch Break 12:00-13:30
13:30-13:45ADF22-WEB: an ALMA-JWST deep field in SSA22Hideki Umehata (Nagoya U.)
13:45-14:00Molecular Gas Structure and Star Formation Diversity in Stephan's Quintet Revealed by ACA CO(1-0) MappingMisaki Yamamoto (Osaka Met. U.)
14:00-14:15Gas Phase Change from Atmoic-to-Molecular Gas on kpc scales in Nearby GalaxiesKyoko Hama (Hokkaido U.)
14:15-14:30A low-rank and sparse matrix decomposition of the ALCHEMI 3D datacubeReiji Arai (Shizuoka U.)
Break 14:30-14:50
14:50-15:05An ALMA view of the N49 SNR in the Large Magellanic Cloud: Evidence for [CI]/CO abundance ratio as a cosmic ray probeRin Yamada (NAOJ)
15:05-15:20ALMA Study of Jet-like Molecular Clouds near the Gamma-Ray Binary LMC P3Bhuvana G Rajendra (Gifu U.)
15:20-15:35A multiscale view of massive molecular clouds in the Galactic CenterSUINAN ZHANG (NAOJ)
Break 15:35-15:50
15:50-16:05Multi-band Constraints on Vertical Dust Temperatures and Heating Mechanisms in Protostellar Disks: eDisk and BeyondKazuya Saigo (Kagoshima U./NAOJ)
16:05-16:20ALMA 2D Super-resolution Imaging Survey of Disk Substructures in Young Stellar ObjectsMasayuki Yamaguchi (Kyushu U./NAOJ)
16:20-16:35Disk candidates in high-mass hot cores with ALMAFernando Olguin (Kyoto U.)
16:35-16:50Spiral magnetic fields and their role on accretion dynamics in the circumnuclear disk of Sagittarius A*: Insight from λ= 850 μm polarization imagingHiroko Shinnaga (Kagoshima U.)
Break 16:50-17:00
Session 5 Poster session
17:00-19:00Poster session / Coffee & Snacks

December 17 (Wed), 2025

TimeSession / TalkSpeaker
9:30-9:45Registration
Session 6 Nobeyama 45m
9:45-10:15Status of Nobeyama observationsRin Yamada (NAOJ)
10:15-10:45Nobeyama plan for 2026Atsushi Nishimura (NAOJ)
10:45-11:00OCEAN: CO(1-0) Follow-up Observations with the Nobeyama 45-m Radio Telescope for Interacting Galaxies Selected by HSC-SSPMakoto Ando (ICRR)
11:00-11:15CO Observations of the Type Ia Supernova Remnant 3C 397 by the Nobeyama 45-m Radio Telescope: Possible Evidence for the Single-Degenerated ExplosionHidetoshi Sano (Gifu U.)
11:15-11:30The W44 GMC: formation by a vertical collision of massive CO clouds with the Galactic diskFumika Demachi (Nagoya U.)
11:30-12:00DiscussionAtsushi Nishimura (NAOJ)
Lunch Break / Free Time
Session 7 Spectrum Management
13:30-13:50 Recent status of spectrum management in mm/submm bands in 2025 Masaaki Hiramatsu (NAOJ)
Session 8 Radio Astronomy Archive
13:50-14:10Radio Astronomy ArchiveTetsuhiro Minamidani (NAOJ)
Session 9 ASTE
14:10-14:40ASTE Project Status and ProspectsSeiichi Sakamoto (NAOJ)
14:40-15:00ASTE Science highlightsRei Enokiya (NAOJ) / Momoko Makita (Keio University)
Break 15:00-15:20
15:20-15:40Investigation of ASTE surface error with phase retrieval measurementsMasahiro Sugimoto (NAOJ)
15:40-15:55DESHIMA 2.0: Detailed calibration and data analysis toward high-redshift line detectionAkio Taniguchi (KIT)
15:55-16:15Development of TIFUUN: THz Integral Field Units with Universal NanotechnologyAkira Endo (Delft U. of Tech.)
16:15-16:35Roles of ASTE in the ALMA2/3 eraKotaro Kohno (U. of Tokyo)
16:35-17:05DiscussionSeiichi Sakamoto (NAOJ)
Session 10 Poster session
17:05-17:30Poster session
17:30Close

Poster List

 
No.TitleAuthor
1ASTE TELESCOPE: Recent Status and Future PlansRei Enokiya (NAOJ)
2TZ 86-GHz Band Receiver Refurbishment and 3-Band Mode Release at the Nobeyama 45-m TelescopeKeisuke Nakashima (Kagoshima U.)
3Comparing NRO 45m telescope data reduction results obtained by NEWSTAR/NOSTAR and CASAInna Muzychenko (NAOJ)
4Comparing NRO 45m telescope data reduction results obtained by NEWSTAR/NOSTAR and CASAIhor Ihnatiev (NAOJ)
5The Joint Nobeyama Observational Training Program by Kagawa, Kagoshima, Kyushu Universities: NOBEYAMA 3K Training ProgramMasayuki Yamaguchi (Kyusyu U./NAOJ)
6Mapping Cold Gas in Circumstellar Envelopes of Nearby Evolved Stars with CO (J = 1 → 0) EmissionKei Amada (NAOJ)
7An Improved Upper Limit of Cyanodiacetylene (HC5N) in the Atmosphere of TitanTakahiro Iino (U. of Yamanashi / U. of Tokyo)
8ALMA High-resolution Observation for the Transitional Disk Around IRAS 04125+2902Ayumu Shoshi (Kyushu U.)
9pythonradex: a fast Python re-implementation of RADEX with extended functionalityGianni Cataldi (NAOJ)
10Discovery of the ring-gap substructure in the Class I protostellar disk IRAS 04295+2251Chikato Asaba (Kyushu U.)
11Fragmenting Filaments and Emerging Stars – A Band 6 Dust and Molecular Line Study of OMC-1NKshitiz Mallick (NAOJ)
12Physical State of Extremely Young Protostellar Jets in Orion: Multi-Transition and Epoch AnalysisTakumi Shimamura (Toho U.)
13Investigating the Top-Down Formation Mechanism of Aromatic Species in the ISM: A Case Study of WR122-14Kotomi Taniguchi (NAOJ)
14Filament Formation in the Perseus Cloud Revealed by the Nobeyama 45m TelescopeTakuto Ito (Nagoya U.)
15Massive Star Forming Region with Methanol Masers – Observations at High Angular Resolution (MaMMOtH)Sheng-Yuan Liu (ASIAA)
16Unveiling Molecular Cloud Properties in Prominent Star-Forming Regions of the LMC with ALMA ACAKisetsu Tsuge (Gifu U.)
17ALMA Observations of Molecular and Ionized Gas Associated with High-Mass Protostars in the Large Magellanic CloudDaiki Adachi (Osaka Metropolitan U.)
18New Insight into the ¹³CO/C¹⁸O Abundance Ratio on 90-pc Scales in NGC 1068 with ALMA Bands 3 and 6Yuzuki Nagashima (Sokendai, NAOJ)
19SiO Maser Survey of the Milky Way Nuclear Stellar DiskMasato Tsuboi (Meisei U.)
20High-resolution H30α Recombination Line Observations to Probe the Ionized Gas Structure and Dynamics of the Circinus AGNChiara Buonomo (NAOJ)
21Multi-line Analysis of Molecular Cool Outflows in the Nearby Starburst Galaxy NGC 253 Using ALMA with High Angular ResolutionRyo Kishikawa (U. Tokyo)
22Cloud-scale Molecular Gas Properties of the Antennae MergerToshiki Saito (Shizuoka U.)
23The Formation of Molecular Clumps During a Major Merger: A Case Study of NGC 34Himeka Matsuo (Sokendai, NAOJ)
24High-Resolution ALMA Observations of Cold Molecular Gas in NGC 1275Ryoya Kojima (U. Tokyo / NAOJ)
25A High-sensitivity Survey for Extraplanar Molecular Gas in NGC 4565 with the Nobeyama 45-m TelescopeRen Matsusaka (U. Tokyo)
26Revealing GMCs in a Superbright Lensed Dusty Starburst Galaxy at Cosmic NoonZhengyi Chen (NAOJ)
27ALMA and HST Reveal a Resolved Multi-phase Outflow and a Buried Nucleus in the LIRG ESO 173-G015Tamaki Okumura (U. Tokyo)
28Data Science and Its Application to NRO 45m ObservationsFumiya Maeda (Osaka Elect.-Comm. U.)
29Development of a New Imaging Analysis Method for Multi-line Astronomy Data Using AIHiroma Okubo (U. of Tsukuba)
30Performance of 100 GHz Prototype LEKID Receiver in 2024 Observation at the Nobeyama 45m TelescopeShunsuke Honda (U. of Tsukuba)
31ALMA–JWST Synergy on Giant Lyα Emitters Himiko and CR7 at z ~ 7Tomokazu Kiyota (Sokendai, NAOJ)
32The Emission-Line Protocluster Imaging Survey (ELPIS): The [C II] Catalog of the z = 7.88 Member GalaxiesShutaro Inui (Nagoya U.)
33Exploring the Molecular Gas Physical Conditions of the High-z Galaxy SPT0346-52 Using H₂O SLEDAina Sato (Nagoya U.)
34Near-infrared and (Sub)Millimeter IFS View of a Potentially Merging System at z = 8.3Masato Hagimoto (Nagoya U.)