All talks in plenary sessions are 17-minute long plus 3 minutes for questions.
Room arrangements:
- Plenary sessions: KIAA Auditorium (first floor)
- Breakout sessions: KIAA Auditorium
Spectral Stacking, Monday afternoon: Shu Qi Meeting Room (first floor) - Team meetings, incl. FAST Core Array meeting on Thursday afternoon: the meeting room attached to the Auditorium
Monday 12 October
| 8:45 | Registration at KIAA |
| 9:30 | Opening remarks |
Evolution and cosmology
| Chair | Peter Kamphuis | |
|---|---|---|
| 9:45 | Nissim Kanekar (remote) | The HI properties of galaxies at cosmic noon and thereafter |
| Balpreet Kaur (remote) | The HI properties of star-forming galaxies at $z\sim1$ in the COSMOS field | |
| Hong Guo | HI scaling relations from the FASHI survey | |
| 10:45 | Break (40min) | |
| 11:25 | Hongwei Xi | FAST Ultra-Deep Survey |
| Lister Staveley-Smith | A WALLABY/FUDS study of galaxy evolution | |
| Michalina Maksymowicz-Maciata | HI mass function from the largest sample of direct HI detections at $z>0.2$ | |
| Alessandro Bianchetti | Spectral stacking frontiers: a synergy between MeerKAT and Euclid | |
| 12:45 | Lunch |
| Chair | Lyla Jung | |
|---|---|---|
| 14:10 | Lara Featherstone | The HI gas depletion timescales of star forming galaxies using the MeerKAT LADUMA survey |
| Abhisek Mohapatra (remote) | Tracing cold gas at extreme distances: New HI detections in the LADUMA field | |
| Matthew Colless | Better distances and peculiar velocities from the Tully–Fisher relation | |
| Shilpa Ranchod | MIGHTEE-HI: Past, present and future | |
| 15:30 | Break (40min) |
Breakout sessions I
| 16:10 | Future Instruments (Led by: Naomi McClure-Griffiths) Featured talks |
Spectral Stacking (Led by: Martin Meyer & Nissim Kanekar) Featured talks |
| 17:50 | End of day |
Tuesday 13 October
ISM structure/properties and star formation
| Chair | Hao He | |
|---|---|---|
| 9:30 | Alvaro Segovia Otero | On the star formation of low surface brightness features around HI-rich passive galaxies |
| Erwin de Blok | Some results from MHONGOOSE | |
| Hongxing Chen | Cold HI in the Large Magellanic Cloud: Probing the multiphase ISM with GASKAP-HI absorption | |
| 10:30 | Break (45min) | |
| 11:15 | Van Hiep Nguyen | Thermal properties of neutral HI in galaxies with the Australian SKA Pathfinder |
| Tanita Ramburuth-Hurt | Bridging UV and radio spectroscopy to bring Milky Way metallicity variations to light | |
| Chen Xu | The FAST Hundred-Deg$^2$ HI Deep (HD$^2$) survey: Early results from the pilot survey | |
| 12:15 | Lunch |
Gas around galaxies and Accretion
| Chair | Lara Featherstone | |
|---|---|---|
| 14:00 | Simone Veronese | Tracing gas accretion and feedback in nearby galaxies using ultra-deep neutral hydrogen MeerKAT observations |
| Jing Wang | HI distribution for $N_\text{HI}>10^{17.8}\,\text{cm}^{-2}$ at $z=0$ | |
| Peter Kamphuis | The neutral gas reservoirs around nearby galaxies | |
| Xuchen Lin | FEASTS: a systematic study of turbulent-mixing gas accretion traced by low-column density HI | |
| 15:20 | Break (45min) | |
| 16:05 | Tamsyn O’Beirne | Tracing baryons from the CGM to the ISM with the MUSE-ALMA Haloes program |
| Fujia Li | Deep FAST HI observations of diffuse gas in the circumgalactic medium | |
| Mary Rickel | Azimuthal asymmetry in the diffuse HI around NGC 891 and NGC 4565 | |
| Jonathan Stern | Resolving the cool CGM tension with hot inflows | |
| Sriram Sankar | Hot accretion onto spiral galaxies: The origin of extended and warped HI discs | |
| 17:45 | End of day |
Wednesday 14 October
Environment
| Chair | Simone Veronese | |
|---|---|---|
| 9:00 | Sambatriniaina Rajohnson | HI morphologies as diagnostics of gas stripping histories in Fornax galaxies |
| Nabeelah Adam | Testing cosmological simulations: Searching for extended HI emission with the MeerKAT Fornax Survey | |
| Clara Cabanillas de la Casa | Ram pressure stripping as a catalyst of star formation quenching in the Hydra I cluster | |
| Kale Boyes | Investigating HI ram pressure stripping in the NGC 4532/ |
|
| 10:20 | Break (40min) | |
| 11:00 | Lwandile Gwebushe | Neutral hydrogen, HI, in the Shapley Supercluster core: Environmental effects on gas content and galaxy evolution |
| Nushkia Chamba | The edges of dwarf galaxies in stars and gas | |
| Shinna Kim | The environmental dependence of the baryonic Tully–Fisher relation from WALLABY | |
| Tobias Westmeier | WALLABY and the kinematic alignment of galaxies | |
| Lyla Jung | Environmental effects of cosmic filaments on galactic HI probed using MIGHTEE-HI | |
| 12:40 | Lunch | |
| 14:00 | Free afternoon | Public team meeting of WALLABY students’ getting together |
Thursday 15 October
Dynamics
| Chair | Sambatriniaina Rajohnson | |
|---|---|---|
| 9:30 | Sushma Kurapati (remote) | Galaxy kinematics to large radii: Rotation curves and angular momentum from MHONGOOSE |
| Jiantong Cui | The observed angular momentum distribution of nearby disk galaxies compared to theoretical expectations | |
| Hao He | Probing disk dynamics: HI velocity dispersion in PHANGS-MeerKAT galaxies | |
| 10:30 | Break (45min) | |
| 11:15 | Martin Meyer | Deep HI with ASKAP |
| Kyle Oman | Modelling HI in the COLIBRE simulations | |
| 11:55 | Lunch |
Breakout sessions II
| 14:00 | Discussion — Kinematical Modeling (Led by: Se-Heon Oh) Featured talks |
Team meeting of Fornax |
| 15:30 | Break (30min) | |
| 16:00 | Tutorial — Kinematical Modeling (Led by: Nathan Deg) Featured talks |
HI Galaxy Science Driven Technical Considerations for the FAST Core Array |
| 17:30 | End of day |
Friday 16 October
AGN
| Chair | Nushkia Chamba | |
|---|---|---|
| 9:30 | Partha Deka | HI 21 cm absorption in low- and high-excitation radio galaxies from MALS |
| Wenkai Hu | The FAST HI 21 cm absorption blind survey | |
| Filippo Maccagni | MeerKAT deep HI observations of AGN feeding | |
| 10:30 | Break (45min) | |
| 11:15 | Qingzheng Yu | Hidden HI clouds in the Milky Way’s nuclear wind |
| Ruitian Li | A spatially resolved HI survey of Seyfert galaxies: The role of AGN feedback in shaping atomic gas reservoirs | |
| Closing remarks for plenary sessions | ||
| 12:10 | Lunch |
Breakout sessions III
| 14:00 | Discussion — Source Finding (Led by: Peter Kamphuis) Featured talks |
Team meetings |
| 15:30 | Break (30min) | |
| 16:00 | Tutorial — Source Finding (Led by: Michalina Maksymowicz-Maciata for LESHI and Paolo Serra for SoFiA) |
Public team meeting of WALLABY |
| 17:30 | End of day |
Featured talks in breakout/
Future Instruments
Monday afternoon, led by: Naomi McClure-Griffiths
| 16:10 | Naomi McClure-Griffiths | The future of HI astronomy and SKA HI |
| 16:30 | Filippo Maccagni | MeerKAT+ |
| 16:50 | Lister Staveley-Smith | ASKAP+ and CryoPAF |
| 17:10 | Bin Liu | FAST Core Array |
| 17:30 | Ryan Keenan | DSA 2000 |
Spectral Stacking
Monday afternoon, led by: Martin Meyer & Nissim Kanekar
| 16:10 | Mika Naidoo | Stacking neutral hydrogen emission from infrared-luminous galaxies in the LADUMA field |
| 16:30 | Craig Smith | Probing diffuse HI in galaxies with kinematically guided stacking |
| 16:50 | Discussion started by Balpreet Kaur & Nissim Kanekar |
WALLABY students’ getting together
Wednesday afternoon, public team meeting
| 14:00 | Lister Staveley-Smith | WALLABY Update |
| 14:20 | Seona Lee | HI depletion times within the stellar disc with WALLABY: comparison with COLIBRE |
| 14:40 | Boyi Ding | HI Linewidth Measurements for WALLABY Galaxies from Busy Function Fits |
| 15:00 | Ze-zhong Liang | Pinpointing WALLABY Flux Discrepancy with Tailored Mock Cleaning |
Kinematical Modeling
Discussion
Thursday afternoon, led by: Se-Heon Oh
| Se-Heon Oh | Quantifying gas disequilibrium in galaxy disks from MHONGOOSE |
| Hangyuan Li | Extending tilted-ring ritting with GPU-accelerated Bayesian inference |
Tutorial
Thursday afternoon, led by: Nathan Deg
| Nathan Deg | Kinematics, structural parameters, and scaling relations: WALLABY, 3KIDNAS, and more |
Source Finding
Discussion
Friday afternoon, led by: Peter Kamphuis
| 14:00 | Paolo Serra | How to enhance your source finding: spectre and deblend_sofia_detections |
| 14:15 | Qifeng Huang | 3D deblending of galaxy pairs in HI data cube |
| 14:35 | Adrien Anthore | Convolutional neural networks for HI detection on SKA precursors: an update and analysis |
| 14:55 | Peter Kamphuis | Labelled observations and mock data cubes for training and benchmarking |
| 15:05 | Open discussion |
WALLABY
Friday afternoon, public team meeting
| 16:00 | Lister Staveley-Smith | WALLABY update |
| 16:20 | Nathan Deg | Data access demo |
| 16:40 | Discussion | Multi-wavelength data; Public data release; Q&A |
Posters
The following posters are available as PDF at Google Drive.
| ID | Name | Title |
|---|---|---|
| 4 | Peibin Chen | Toward Understanding the Evolutionary Role of Star-forming Lenticular Galaxies |
| 6 | Marcin Glowacki | MockKATs: Mock MeerKAT HI samples from the Simba and COLIBRE simulations |
| 7 | Chuan-Peng Zhang | FAST All Sky HI survey - FASHI |
| 11 | Kyra Kummer | Linking HI Properties with Star Formation in XUV Disk Galaxies |
| 12 | Wenkai Hu | Pursuing Large-Scale Structure Measurement with MeerKLASS |
| 13 | Xiao Li | On the origin of quiescent HI-rich galaxies |
| 14 | Minsu Kim | Azimuthal H I kinematics of Virgo dwarf galaxies |
| 16 | Helga Denes | The gas conversion bottleneck in HI-excess galaxies |
| 17 | Henco Arlow | HI STACKING OF LUMINOUS COMPACT BLUE GALAXIES AT INTERMEDIATE REDSHIFT |
| 22 | Virginia Kilborn | A tale of two galaxies - gas-rich and gas-poor galaxies in the J1051 group |
| 23 | Toky Randriamampandry | Rotation curves and Mass Models of Spatially Resolved Galaxies from LADUMA |
| 24 | Marcin Glowacki | Digging deeper: How LADUMA can probe lower radio power AGN in HI absorption |
| 27 | JC Viljoen | MeerChoirs: The case of HIPASS J1059-09 |
| 28 | Tasmiyah Rawoot | Making the deepest images of the circumgalactic medium |
| 30 | Arjun Chawla | The HI-content of Fornax - a comparison with TNG-50 Fornax-like clusters |
| 31 | Karina Santana | The Pilot MeerKAT Post-Merger Survey: Resolved HI imaging of five gas-rich post-merger galaxies |
| 33 | Shulan Yan | Redshifted Cool Gas in NGC 4214 |
| 34 | Omri Scannell | The Strange HI Morphology of MHONGOOSE Galaxy UGCA 319 |
| 35 | Vicente Horacio Salinas Froemel | Exploring the neutral gas of galaxies in the Antlia cluster with MeerKAT |
| 39 | Bohan Yue | First measurement of SFR-dependent HI mass scaling relation for massive galaxies at z < 0.5 |
| 40 | Ming Zhu | Cosmic HI Density and Evolution at z<0.4 |