NA-TW joint ALMA workshop 2025
New ALMA windows on the universe - Band 1 and the future WSU

Monday June 16, 2025
08:30~09:30 Registration
09:30~09:40 Welcome Remark (Ue-Li Pen, Phil Jewell)
Session 1: Instrumentation (Chair: Wei-Hao Wang)
09:40~10:10 Invited From Beginning to Completion -- ALMA Band 1
Patrick Koch (ASIAA)
10:10~10:40 Invited An Introduction to the ALMA Wideband Sensitivity Upgrade (WSU)
Jennifer Donovan Meyer (National Radio Astronomy Observatory)
10:40~11:10 Invited ALMA Band 1
Hiroshi Nagai (NAOJ)
11:10~11:30 Total Power GPU Spectrometer (TPGS) for the ALMA Total Power Array
Jongsoo Kim (Korea Astronomy and Space Science Institute)
11:30~11:50 Coffee Break
Session 2: Stellar evolution and the Sun (Chair: Chin-Fei Lee)
11:50~12:20 Invited Investigating the Mysterious Deaths of Ordinary Stars: ALMA leads the way
Raghvendra Sahai (Jet Propulsion Laboratory, California Institute of Technology)
12:20~13:30 Lunch Break
Session 3: ISM, star formation and astrochemistry I (Chair: Ya-Wen Tang)
13:30~14:00 Invited Zooming in on Star Formation with ALMA
Sarah Sadavoy (Queen's University)
14:00~14:20 Using New ALMA Band 1 to Study Dust Properties in Orion Protostellar Cores
Parisa Nozari (Queen's University)
14:20~14:40 Multi-Wavelength and Multi-Scale Characterization of Protostellar Evolution
Christian Flores (ASIAA)
14:40~15:00 Probing the Earliest Stage of Protostellar Evolution
Naomi Hirano (ASIAA (Former Research Fellow))
15:00~15:30 Coffee Break
Session 4: Circumstellar disks, exoplanets and the solar system I (Chair: Ryan Boyden)
15:30~16:00 Invited Mapping The Early Processes of Star Formation With ALMA
Chin-Fei Lee (ASIAA)
16:00~16:20 Early Grain Growth in the Young Protostellar Disk HH 212
Ying-Chi Hu (ASIAA)
16:20~16:40 Unveiling the Vertical Dust Temperature Structure of Protostellar Disks through Multi-band Observations
Kazuya Saigo (NAOJ/Kagoshima University)
16:40~17:00 Keplerian Disk, its Internal Structure and Evolutionary Status around a Low-Luminosity Stellar Object J162656.43-243301.5
Shigehisa Takakuwa (Kagoshima University)
17:00~17:20 Radio observations on the planet-forming disk PDS70
Hauyu Baobab Liu (NSYSU)
17:20~18:00 Poster Session
Tuesday June 17, 2025
Session 5: ISM, star formation and astrochemistry II (Chair: Hauyu Baobab Liu)
09:00~09:20 Early Planet Formation in Embedded Disks (eDisk): Physical properties of embedded disks and their possible evolution
Nagayoshi Ohashi (ASIAA)
09:20~09:40 Analytical Estimation of Prototellar Mass using the eDisk Sample
Yusuke Aso (KASI)
09:40~10:00 A Comparative Analysis of Streamers and their Properties in the Youngest Protostars
Travis Thieme (ASIAA)
10:00~10:20 Physical properties of streamers in the Class 0 protostar IRAS 16544-1604
Miyu Kido (ASIAA/Kagoshima university)
10:20~10:40 Observational Hints for Efficient Ambipolar Diffusion in Disk Formation
Hsi-Wei Yen (ASIAA)
10:40~11:00 Coffee Break
Session 6: Galaxies and galactic nuclei I (Chair: Chian-Chou Chen)
11:00~11:30 Invited Probing galaxy quenching in nearby galaxies using ALMA
Lihwai Lin (ASIAA)
11:30~11:50 Quantifying the Impact of CO-to-H2 Conversion Factor Variations on Galaxy Evolution
Yu-Hsuan (Eltha) Teng (University of Maryland)
11:50~12:10 Molecular gas distribution of five AKARI-selected ULIRGs at 0.1<z<0.5
Kianhong Lee (Nagoya University)
12:10~12:30 Unveiling the Nature of Luminous Galaxy Mergers with ALMA-WSU and JWST
Aaron Evans (National Radio Astronomy Observatory)
12:30~13:30 Lunch Break
Session 7: Galaxies and galactic nuclei II (Chair: Min Yun)
13:30~13:50 Studying Star Formation in U/LIRGs with VLA+ALMA Bands 1/2
Loreto Barcos-Munoz (National Radio Astronomy Observatory - North American ALMA Science Center)
13:50~14:10 ALMA+JWST discovers companions at <18 kpc around z~3.5 radio AGN
Wuji Wang (Caltech/IPAC)
14:10~14:30 3 mm Galaxy Number Counts and Physical Properties of Dusty Galaxies
Qi-Ning Hsu (NTHU)
14:30~14:50 Constraining AGN Jets with Spectrum and Core Shift: The Case of M87
Kouichi Hirotani (ASIAA)
14:50~15:10 Monitoring of the radio calibrator 3C 286 with ALMA and IRAM
Minchul Kam (ASIAA)
15:10~15:40 Coffee Break
Session 8: Splinter Session I (R1203) / Poster Session
15:40~16:30 The next frontier of extragalactic spectroscopic survey with WSU (Chair: Chian-Chou Chen)
16:30~16:40 Short Break
16:40~17:30 Define new projects (Chair: Shigehisa Takakuwa)
18:00~20:00 Banquet
蘇杭餐廳 大坪林店 Suhang Restaurant-Dapinglin Branch
新北市新店區民權路25號2樓 (大坪林捷運1號出口)
2F, No. 25 Minquan Rd, Xindian District, New Taipei City
Wednesday June 18, 2025
Session 9: ISM, star formation and astrochemistry III (Chair: Sarah Sadavoy)
09:00~09:30 Invited Extremely Normal Planet Formation: the long mm- and cm-wavelength view of externally irradiated disks
Ryan Boyden (University of Virginia)
09:30~09:50 First Interferometric Observation of o-H2D+ Depletion in a Prestellar Core
Sheng-Jun Lin (ASIAA)
09:50~10:10 An ALMA Band-1 spectroimaging survey of Orion KL
Sheng-Yuan Liu (Academia Sinica Institute of Astronomy and Astrophysics)
10:10~10:30 Resolved Gas Temperatures and 12C/13C ratios in SVS13A from ALMA Observations of CH3CN and CH13CN
Tien-Hao Hsieh (TARA/ASIAA (TARA scientist))
10:30~11:00 Coffee Break
Session 10: ISM, star formation and astrochemistry IV (Chair: Aran Lyo)
11:00~11:20 The Localized and Chemically Rich Features near the Bases of the Protostellar Jet in HOPS 87
Shih-Ying Hsu (ASIAA)
11:20~11:40 Unveiling Stellar Feedback and Cloud Structure in the Rho Ophiuchi A Region with ALMA and JWST
Fumitaka Nakamura (NAOJ)
11:40~12:00 Investigating the connection between spatially-extended, narrow line-width SiO emission and accretion shocks onto molecular clouds?
Seamus Clarke (NCKU)
12:00~12:20 Excitation or efficiency: a multi-line analysis of dense gas tracers across the Antennae
Ashley Bemis (Waterloo Centre for Astrophysics)
12:20~12:30 Group Photo
12:30~14:20 Lunch and Poster Session
ASIAA Colloquium (1F Auditorium)
14:20~15:20 ASIAA Colloquium: Scientific Synergy between ALMA and LMT
Min Su Yun (University of Massachusetts)
15:20~15:50 Coffee Break
Session 11: Splinter session II (R1203) / Poster Session
15:50~16:40 Band 1 polarization (Chair: Shih-Ping Lai)
16:40~16:50 Short Break
16:50~17:40 Advances in Galactic Science and the ISM with WSU (Chair: Sarah Sadavoy)
Thursday June 19, 2025
Session 12: Cosmology and the high redshift universe (Chair: Bunyo Hatsukade)
09:00~09:30 Invited Early Galaxy Formation Probed with ALMA (TBD)
Yuichi Harikane (University of Tokyo)
09:30~09:50 Vz-GAL Cold Molecular Gas Survey of High-redshift Dusty Galaxies as a demonstrator for the power of ALMA Band 1
Prachi Prajapati (1. University of Cologne,
2. Max Planck Institute for Radio Astronomy, Germany
)
09:50~10:10 Exploring a distant, X-ray luminous galaxy cluster underlying an X-ray luminous quasar in its brightest cluster galaxy with ALMA
Shutaro Ueda (Kanazawa University)
10:10~10:30 AS2COSPEC - an ALMA spectroscopic survey of the bright dusty star-forming galaxies at cosmic noon and beyond
Chian-Chou Chen (TC) (ASIAA)
10:30~11:00 Coffee Break
Session 13: ISM, star formation and astrochemistry V (Chair: Jongsoo Kim)
11:00~11:20 ALMA and JWST synergy in protostellar outflows: the shell-like outflow structures in IRAS 15398-3359
Yao-Lun Yang (RIKEN)
11:20~11:40 Multiple Outflows Observed in the Protostellar System IRAS 15398-3359
Jinshi Sai (ASIAA)
11:40~12:00 Multifaceted Views of Magnetically Interplayed Inflow and Outflow in Protostellar Systems
Hsien Shang (ASIAA)
12:00~12:20 A Magnetized Jet from an O-type Protostar: IRAS 16547-4247
Jesus Alejandro Lopez-Vazquez (Academia Sinica Institute of Astronomy and Astrophysics (ASIAA))
12:20~13:20 Lunch Break
Session 14: Splinter Session III (R1203) / Poster Session
13:20~14:10 CARTA Tutorial (Chair: Kuo-Song Wang)
Session 15: Circumstellar disks, exoplanets and the solar system II (Chair: Hsi-Wei Yen)
14:20~14:50 Invited Early results from the Large 12P COMA Survey - COmetary Molecules with ALMA
Yi-Jehng Kuan (National Taiwan Normal University)
14:50~15:10 Resolving the inner circumstellar disk in the AB Aurigae system
Ya-Wen Tang (ASIAA)
15:10~15:30 ALMA Observations of Proper Motions of the Dust Clumps in the Protoplanetary Disk MWC 758
I-Hsuan Kuo (ASIAA)
15:30~15:50 Multi-wavelength characterization of dust particles in the HL Tau disk
Takahiro Ueda (Center for Astrophysics, Harvard & Smithsonian)
15:50~16:00 Closing remark (Chin-Fei Lee)