| Escape of Lyman radiation from
galactic labyrinths 7-11 April 2025, OAC, Kolymbari, Crete |
 |
Monday, 7 April 2025
18:00 welcome reception
20:00 dinner
Tuesday, 8 April 2025
| Chairperson: Göran Östlin | ||
| 09:00-09:30 | Welcome by Ioannis
Mountogiannakis (Orthodox Academy of Crete-OAC) and on
behalf of the SOC (Polychronis Papaderos) |
|
| 09:30-10:00 |
Laura Pentericci & Anne
Verhamme: Introductory remarks |
|
| 10:00-10:35 | Pratika Dayal: Shedding light on the escape of Lyman continuum and Lyman alpha photons in the JWST, Euclid and SKA era: implications for reionization | |
| 10:35-11:00 | Andrea Ferrara: The Beautiful Confusion. Super-early Galaxies seen by JWST | |
| 11:00-11:30 | coffee break | |
| Chairperson: Michelle Berg |
||
| Session
I |
Production
of Lyman radiation |
|
| 11:30-12:05 | Ylva Götberg: Stellar sources that produce ionizing radiation | |
| 12:05-12:25 |
Elisabeth Stanway: Uncertainties in Population and Spectral Synthesis | |
| 12:25-12:45 | Shyam Menon: Efficient LyC leakage due to radiation-driven outflows in compact bursts | |
| 12:45-13:00 | Göran Östlin: The
massive star population of IZw18 |
|
| 13:00-13:20 | Yumi Choi: Investigating LyC Production and Escape in Local Metal-Poor Dwarf Galaxies | |
| 13:20-13:30 | Cecilia Ömalm & Göran Östlin: Cyanotype demonstration | PDF |
13:30: lunch
| Chairperson: Juan Antonio Fernández Ontiveros | ||
| 15:00-15:20 |
Ricardo Amorín:
Production and potential escape of Lyman radiation in
Extreme Emission-Line Galaxies from DESI |
|
| 15:20-15:30 |
Igor Zinchenko:
Identifying candidates for low-metallicity Lyman
radiation leakage in the DESI survey |
|
| 15:30-15:40 |
Adam Enders:
ISM properties in and around candidate LCEs with nebular
He II emission |
PDF |
| 15:40-15:50 |
Elena
Marci-Boehncke: Wolf-Rayet Galaxies as LyC
Leakers: Identifying Candidates among Star-Forming Dwarf
Galaxies |
|
| 15:50-16:00 |
Alejandro
Lumbreras-Calle: Local Extreme Emission Line
Galaxies in wide narrow band surveys: gateways to the
early Universe |
|
| 16:00-16:10 |
Antonio Giménez
Alcázar: Search and characterization of
low-z analogs to reionization galaxies in J-PAS |
|
| 16:10-16:30 |
José M. Vílchez: Ionization and Galaxy Properties of Distant HeII Emitters from Multiwavelength Spectrophotometry | |
| 16:30-17:00 |
coffee break | |
| Chairperson: Sophia Flury |
||
| 17:00-17:25 |
Allison Strom: Cosmic Change Agents: Studying Massive Stars at Cosmic Noon | |
| 17:25-17:45 |
Charlotte Simmonds:
Unveiling the ionising properties of galaxies at the
Epoch of Reionisation with JWST NIRCam |
|
| 17:45-18:05 |
Michelle Jecmen:
UV Slopes of the Faintest High-Redshift Galaxies with
Glimpse |
|
| 18:05-18:25 |
Ravi Jaiswar:
On the model dependence of the ionizing photon
production efficiency. What are we really measuring? |
|
| 18:25-18:45 | Mario Llerena: The ionizing photon production efficiency of star-forming galaxies at z~4-10 | |
| 18:45-19:05 | Karla Ziboney Arellano-Cordova: Chemical Abundances Inform LyC Escape Conditions at z>5 |
19:30: dinner & concert
Wednesday, 9 April 2025
| Chairperson: Elisabeth Stanway |
||
| Session II | Transport
of Lyman radiation on subgalactic scales |
|
| 09:00-09:35 |
Naveen
Reddy: UV/Lya Attenuation and the Effect of Gas
Covering Fraction on the Emergent Lya Emission of
High-Redshift Galaxies |
|
| 09:35-09:55 |
Valentin
Mauerhofer: Probing Ionizing Photon Escape: ISM
Absorption Lines and Dust Attenuation in SPHINX20 |
|
| 09:55-10:15 |
Silvia Almada
Monter: The Windows and Walls of the Labyrinth:
Decoding Lyman-alpha Radiation |
|
| 10:15-10:35 |
Margaritis Chatzis:
Illuminating the Escape from the Galactic Labyrinth
Through X-rays |
|
| 10:35-11:00 |
coffee break | |
| Chairperson:Charlotte Simmonds |
||
| 11:00-11:20 |
Alexandra Le Reste: Reshaping the labyrinth: the impact of galaxy mergers on Lyman radiation escape | |
| 11:20-11:40 |
Fang-Ting Yuan: Merging Signatures in an Offset Lyman Continuum Emitter at Redshift 3.8 | |
| 11:40-11:50 |
Antonio Arroyo
Polonio: Tracing ionizing escape potential in
IZw18 |
|
| 11:50-12:10 |
Cody A. Carr:
Does Radiation or Supernovae Feedback Drive LyC Escape? |
|
| 12:10-12:30 | Thøger Emil Rivera-Thorsen: The roles of radiative and mechanical feedback and interaction from NIRSpec IFU observations | |
| 12:30-12:50 | Cristina Cabello:
Mapping the ISM conditions of local analogs of primeval
galaxies |
|
| 12:50-13:15 | Sophia Flury: Clearing the Path to Cosmic Reionization: New Insights from HST and JWST | PDF |
13:30: lunch
| 14:00-14:30 | Cecilia Ömalm & Göran Östlin:
Cyanotype workshop |
|
| Chairperson: José Manuel Vílchez | ||
| 14:30-14:40 |
Kaelee S. Parker:
Cutting through the Clouds: Comparing Indirect Tracers
of Ionizing Photon Escape |
|
| 14:40-15:05 |
Eros Vanzella: Star Clusters as Key Agents of Cosmic Hydrogen Reionization | PDF |
| 15:05-15:15 |
Soumil Maulick:
Breaking the Mold: Dusty Giants as Lyman Continuum
Leaking Sources in the Cosmic Noon |
|
| 15:15-15:35 | Seok-Jun Chang: Lyα Radiative Transfer in Turbulent Medium | |
| 15:35-16:00 |
coffee break | |
| 16:00-16:10 |
Tomokazu Kiyota: Comprehensive JWST+ALMA Study on the Extended Lya Emitters Himiko and CR7 at z~7 | |
| 16:10-16:20 |
Ivan Nikolić: Inferring the position and size of individual HII regions using Lyman-alpha observations with JWST | |
| 16:20-16:40 |
Tamal Mukherjee:
Probing galaxy kinematics and the epoch of reionization
using Lyman-alpha emission |
17:30: departure to Chania and dinner there
Thursday, 10 April 2025
| Chairperson: Anne Verhamme |
||
| Session II | Transport
of Lyman radiation on subgalactic scales (continued) |
|
| 09:00-09:20 |
Ilias Goovaerts:
The escape of Lyman-α photons and the contribution of
Lyman-alpha emitters to reionisation |
|
| 09:20-09:30 |
Nicole Firestone:
ODIN: Investigating the Star Formation Histories and
Radiative Transfer of LAEs at Cosmic Noon |
|
| 09:30-09:40 |
Daniil Smirnov:
Are Lyman-Alpha Halos different beyond z=6? |
|
| 09:40-10:00 |
John Pharo:
What Shapes the Distribution of Lyman Alpha Halos? |
|
| Session III | Lyman photon escape in star-forming galaxies | |
| 10:00-10:35 | Sara Mascia: A (not so) Complete Unknown: multiple predictors of Lyman Continuum escape in the early Universe | |
| 10:35-11:05 |
coffee break | |
| Chairperson: Laura Pentericci | ||
| 11:05-11:30 |
Rui Marques-Chaves: Lyman Continuum
escape at cosmic noon: from typical galaxies to the
most extreme starbursts |
|
| 11:30-11:50 | Amanda Stoffers:
Probing Lyman Continuum Escape: Bayesian SED Modeling of
Low-Redshift Analogues for High-Redshift Galaxies |
|
| 11:50-12:10 | Intae Jung:
Probing Lyman-Continuum Escape in Low-Redshift Dwarf
Galaxies with HST UV Observations |
|
| 12:10-12:30 | Gerhard Hensler:
Lyman continuum escape from intergalactic star clusters |
|
| Poster session | ||
| 12:30-12:35 | Seonwoo Kim: The Evolution of Lyman Alpha Width at the End of Reionization | |
| 12:35-12:40 | Alexandra Le Reste:
Investigating the link between Lyman-α and 21cm HI
emission in nearby galaxies |
|
| 12:45-13:25 | Cecilia Ömalm
& Göran Östlin: Cyanotype workshop |
13:30: lunch
| Chairperson: Andrea Grazian |
||
| 15:00-15:25 |
Floriane Leclerq: Tracing HI
distribution and ionizing photon escape in
star-forming galaxies across cosmic time |
|
| 15:25-15:45 |
Michelle Berg:
LyC Escape and IGM Tomography Using the 600-900Å
Continuum of the Sunburst Arc |
|
| 15:45-16:05 |
Yuchen Liu: The properties of Lyman Continuum candidates through combined spectroscopic and imaging observations | |
| 16:05-16:25 |
Suraj Dhiwar:
Extreme UV emitting Lyman Continuum leakers at the
Cosmic Noon |
|
| 16:25-17:00 |
coffee break | |
| 17:00-17:20 |
Tony Pahl: LyC
detections at high redshift: precise escape fractions
for individual leakers? |
|
| 17:20-17:40 |
Emma Giovinazzo:
Ionizing Photon Escape in the Epoch of Reionization:
Insights from JWST NIRSpec observations |
|
| 17:40-18:00 |
Fernando Buitrago: Could we improve our galaxy size measurements at very high redshift? | |
| 18:00-18:20 | Nimisha Kumari:
Properties of Lya and non-Lya emitters at the epoch of
reionization |
|
| 18:20-18:30 | Stefano Zarattini: Discovery of a Lyα blob photo-ionised by a super-cluster of massive stars associated with a z = 3.49 galaxy | PDF |
19:30: dinner
Friday, 11 April 2025
| Chairperson: Rui Marques-Chaves |
||
| Session IV | Lyman photon escape in AGN | |
| 09:00-09:35 |
Andrea Grazian: The escape fraction
from galactic labyrinths of ionizing photons
produced by high-z AGNs |
|
| 09:35-09:55 |
Juan Antonio
Fernández Ontiveros: Little Red Dot
Analogues at Low-redshift: A Window into AGN Ionisation
at Cosmic Dawn |
|
| 09:55-10:05 |
Rahna Payyasseri
Thanduparackal: Extended Lyman-α emission in
quasar environments at z > 2 detected with J-PAS
narrow-band imaging |
|
| 10:05-10:15 |
Silvia Carolina
Rueda Vargas: The Ly-α nebulas around quasars as
evidence of the effect of AGN outflows on the CGM |
|
| 10:15-10:25 |
Jay González:
Characterizing the extended Lyman-alpha emission around
high-redshift massive galaxies |
|
| 10:25-10:50 | coffee break | |
| Chairperson: Ylva Götberg |
||
| 10:50-11:10 | Enrique Pérez-Montero: Tracing Ionizing Continuum Slopes and Excitation Bimodality in AGN through Mid-IR Diagnostics | |
| 11:10-11:20 | Evgenia Koutsoumpou: Effects of cosmic rays on ionized gas in AGN and starburst galaxies | |
| Session V |
LAEs as probes of the IGM | |
| 11:20-11:40 |
Samuel
Gagnon-Hartman: Probing the Physics of Lyman Alpha
Escape using High-Redshift Lyman Alpha Emitters |
|
| 11:40-11:50 |
Davide Tornotti:
Unveiling the cosmic web through Lyα emission: an
ultra-deep observation with MUSE |
|
| 11:50-12:10 |
Yuta Kageura:
Lyα Emission at z=5-14: Evolution of the Lyα Luminosity
Function and a Late Sharp Reionization |
|
| 12:10-12:20 | Cristóbal Moya:
A resolved Lyman-Alpha profile with doubly peaked
emission at z~7 |
|
| 12:20-12:30 | Ana Sofia Uzsoy: Bayesian Component Separation for DESI LAE Automated Spectroscopic Redshifts & Photometric Targeting | |
| 12:30-12:50 | Alessandra Venditti: Photons under the rug: hiding the ionizing photon surplus in the Cosmic Infrared Background | |
| 13:00: lunch | ||
| Chairperson: Allison Strom | ||
| 14:00-14:20 | Hiroya Umeda: Probing Cosmic Reionization with JWST & Subaru: Lyα Damping Wing and Insights on LyC Leakers | |
| 14:20-14:40 | Alexander Beckett: Searching for the galaxies that reionized the Universe: Lyman Continuum emitters at z > 3 |
| Session VI |
Current
and future observing facilities essential to
the understanding of Lyman photon escape |
|
| 14:40-15:05 |
Rogier
Windhorst: LyC studies from space in the next
decades |
|
| 15:05-15:30 |
Kanak Saha: Key results from the AstroSat UV Deep Field | |
| 15:30-16:05 |
Peter
Weilbacher: Observing Lyman radiation in the blue
optical with BlueMUSE |
|
| 16:05-16:30 | Roland Bacon: How WST, the Wide-Field Spectroscopic Telescope, could revolutionize the study of Lyman-alpha galaxies | |
| 16:30-17:00 |
coffee break | |
| 17:00-17:20 |
Göran Östlin:
Closing remarks |
 |
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