Program
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MONDAY 31.08.26
09:00 - 10:00: Registration/Reception
10:00 - 11:00: Trifon Trifonov, special guests, BNSF representatives (TBD) - Welcome, introduction, EXO-RESTART project, and logistics.
Session 1: Planet formation and migration (Chair: Gabriele Pichierri)
11:00 - 11:30: Michiel Lambrechts - Forming systems of protoplanets with diverse core and envelope compositions by pebble accretion.
11:30 - 11:45: Tamami Okamoto - Formation histories of hot Jupiters with low-mass nearby companions via disk migration.
11:45 - 12:00: Linghong Lin - Capture and stability of resonant planet pairs in turbulent disks.
12:00 - 12:15: (short) Coffee break
12:15 - 12:30: Eiichiro Kokubo - Orbital architectures of multiple-planet systems formed by gravitational scattering and collisions.
12:30 - 12:45: Sergei Nayakshin - The puzzle of planets within the tightest binary systems: formation via Core Accretion or Gravitational Instability?
12:45 - 13:00: Luyao Zhang - The importance of type I to II migration switch in formation of planets in the growing binary systems
13:00 - 14:00: Lunch break
Session 2: Radial-velocity multiple-planet systems (Chair: Stefan Dreizler)
14:00 - 14:30: Stephane Udry - Multi-giant planet systems from decade-long radial-velocity planet search programs.
14:30 - 14:45: Deepa Mukhija - Radial-velocity evidence for additional companion planets in HD4208 and HD188015.
14:45 - 15:00: Denitza Stoeva - GJ1137 as a multiple-planet system: disentangling planets from magnetic cycles.
15:00 - 15:15: Jonay I. Gonzalez Hernandez - Stellar activity and a sub-Earth planetary system in Barnard's star.
15:15 - 15:30: Vladimir Bozhilov - Updated dynamical solution and TTV predictions for the 2:1 MMR giant-planet system TIC 279401253.
15:30 - 16:10: Coffee break
Session 3: Radial-velocity multiple-planet systems (Chair: Trifon Trifonov)
16:10 - 16:40: Andreas Quirrenbach - Multiple planet systems around the red dwarf stars.
16:40 - 16:55: Jorge Lillo-Box - Five years of RV monitoring of late 50 K-dwarfs.
16:55 - 17:10: Atanas Stefanov - A super-Earth in the habitable zone of the GJ 3998 multi-planetary system.
17:10 - 17:25: Dawid Jankowski - Revisiting the HD 37124 planetary system with three Jupiters and the 2:1 MMR.
17:25 - 17:40: Stefan Dreizler - Architectures of nearby multi-planetary systems.
TUESDAY 01.09.26
Session 4: Transiting multiple-planet systems and TTVs (Chair: Amaury Triaud)
09:00 - 09:30: Adrien Leleu - Insight into planetary formation pathways from resonant architectures.
09:30 - 09:45: Judith Korth - SnowLEOPARDS: probing planetary migration through transit-timing variations in near-resonant systems with CHEOPS.
09:45 - 10:00: Alejandro Suárez Mascareño - Constraining the masses of the terrestrial planets in the LHS 1678 system with ESPRESSO and transit-timing variations.
10:00 - 10:15: George Dransfield - A newly discovered pair of dynamically interacting super-puffs.
10:15 - 10:30: Samuel Gill - A three-planet warm system from TESS single transits: NGTS recovery and evidence for dynamical interactions.
10:30 - 11:10: Coffee break
Session 5: Transiting multiple-planet systems and TTVs (Chair: Judith Korth)
11:10 - 11:40: Daniel Yahalomi - Welcome to the TTV Circus: searching for unseen worlds via transit-timing variations.
11:40 - 11:55: Marylyn Rosenqvist - Refined masses and orbital architecture of the six-planet system HD110067.
11:55 - 12:10: Deyan Mihaylov - A warm, massive pair of planets around TOI-1232.
12:10 - 12:25: Michaela Vitkova - Warm gas giants et al.
12:25 - 12:40: Stefan Stefanov - The Strong TTVs of TOI-2361: An Inner or Outer Perturber?
12:40 - 14:10: Lunch break
Session 6: Resonant and near-resonant systems (Chair: Hanno Rein)
14:10 - 14:40: Anne-Sophie Libert - Stability of compact resonant chains.
14:40 - 14:55: Jeremy Couturier - Dynamics of three-planet zeroth-order resonances.
14:55 - 15:10: Zhecheng Hu - Near-resonant and metastable states of young multiplanet systems.
15:10 - 15:25: Yannick Eyholzer - Resonant planetary systems: rare or hard to detect?
15:25 - 16:05: Coffee break
Session 7: Resonant and near-resonant systems (Chair: Anne-Sophie Libert)
16:05 - 16:35: Gabriele Pichierri - Resonant systems as a lens on dynamics, formation, and architectures.
16:35 - 16:50: Sonya Liu - Dynamic Duo(s): surveying potential 2:1 Jovian planet pairs.
16:50 - 17:05: Yingyi Cao - Dynamical analysis of the 5:1 mean-motion resonance of the HD 202206 system.
17:05 - 17:20: Kangrou Guo - Impact of cold-Jupiter scattering on the mean-motion resonance of inner small planets.
17:20 - 17:35: Emma Turtelboom - The long-term survival of a four-planet resonant chain around TOI-1246.
17:35 - 17:50: Kevin Schlaufman - Terrestrial exoplanets in mean-motion-resonant multiple-planet systems are water-rich.
WEDNESDAY 02.09.26
Session 8: Planets in binary-star systems (Chair: Michiel Lambrechts)
09:00 - 09:30: Malena Rice - Exoplanet orbital architectures in binary-star systems.
09:30 - 09:45: Ho Wan Cheng - A retrograde planet in a tight binary-star system with a white dwarf.
09:45 - 10:00: Alan Cefali Signor - Constraining the orbit of the retrograde planet in the nu Octantis system.
10:00 - 10:15: Angelica Psaridi - TOI-1699: a sub-Neptune and a massive companion in an S-type stellar binary.
10:15 - 10:30: Lina Messamah - Mind the companion: demographics of transiting S-type exoplanets.
10:30 - 11:10: Coffee break
Session 9: Planets in binary-star systems (Chair: Nader Haghighipour)
11:10 - 11:40: Amaury Triaud - Lessons learned from discovering circumbinary exoplanets with radial velocities.
11:40 - 11:55: Benjamin Davies - Finding circumbinary planets one transit at a time.
11:55 - 12:10: Carolina Charalambous - Planetary architectures under the influence of a stellar binary.
12:10 - 12:25: Nikolaos Georgakarakos - Planetary survival zones in stellar binaries.
12:25 - 12:40: Nikita Doukhanin - Stability of exoplanet pairs in binary-star systems.
12:40 Lunch break, free afternoon, and free evening
Side-seeing options (self-paid):
- Dragalevtsi Monastery , Vitosha mountain, approx. 15 km from Sofia center
- Boyana Church , Boyana, Sofia
- The National Museum of History , Boyana Residence, Sofia
- Sofia City Centre
19:00 - Conference Dinner downtown Sofia
THURSDAY 03.09.26
Session 10: Transit follow-up surveys (Chair: Matias Jones)
09:00 - 09:30: Solene Ulmer-Moll - Expanding the population of transiting multi-planetary systems with TESS.
09:30 - 09:45: Marcelo Tala Pinto - The WINE collaboration.
09:45 - 10:00: Daniel Bayliss - Bridging the gap: connecting exoplanets from TESS, NGTS, and Gaia.
10:00 - 10:15: Keith Baka - What two distinct multi-planet systems can teach us?
10:15 - 10:30: Djemma Ruseva - A well-characterised eccentric warm Jupiter with TTVs orbiting TOI-3309.
10:30 - 11:10: Coffee break
Session 11: Post-main-sequence planetary-system dynamics (Chair: TBD)
11:10 - 11:40: Dong Lai - Planet-star interactions during stellar evolution.
11:40 - 11:55: Keming Zhang - A super-Earth and a brown dwarf orbiting a white dwarf, and the 2 per cent mass-ratio limit of core accretion.
11:55 - 12:10: Dang Pham - Polluting white dwarfs with Oort-cloud comets.
12:10 - 12:25: Lev Tal-Or - Rethinking long-period planets around giant stars.
12:25 - 12:40: Matias Jones - An extreme Jovian planet orbiting a giant star in a compact binary system.
12:40 - 14:10: Lunch break
Session 12: Secular dynamics and chaos (Chair: TBD)
14:10 - 14:40: Rosemary Mardling - Planetary systems near resonance.
14:40 - 14:55: Nader Haghighipour - On secular resonances in systems with multiple giant planets and multiple stars.
14:55 - 15:10: Luis Thomas - Planet multiplicity across the Neptune desert, ridge, and savanna.
15:10 - 15:25: Leon Ka-Wang Kwok - Influence of stellar dynamical tides on mean-motion resonances and. resonant-chain stability
15:25 - 16:05: Coffee break
Session 13: Numerical tools and instruments (Chair: Lev Tal-Or)
16:05 - 16:35: Hanno Rein - Testing long-term stability of multiplanetary systems with the world's fastest N-body integrator.
16:35 - 16:50: Mangesh Daspute - Interpretable Gaussian-process periodogram to identify and differentiate rotational and Keplerian signals in RV data.
16:50 - 17:05: Trifon Trifonov - The Exo-Striker: an integrated toolbox for modelling exoplanetary systems.
17:05 - 17:20: Tom Schiwy - Combined fitting of Hipparcos and Gaia DR4 astrometry.
17:20 - 17:35: Yuichiro Ishida - A machine-learning emulator for planet formation in the giant-impact stage.
FRIDAY 04.09.26
Session 14: Solar System dynamics: lessons for exoplanetary systems (Chair: Dong Lai)
09:00 - 09:30: Daniel Fabrycky - Solar System ideas fit for export.
09:30 - 09:45: Wei Zhu - Know thy Jupiter, know thy Earth.
09:45 - 10:00: Lauren Weiss - The origin of Earth: lessons from multi-planet systems.
10:00 - 10:15: Shuo Huang - A resonant beginning for the Solar System terrestrial planets.
10:15 - 10:30: Natasa Todorovic - Dynamical environment of Halley's Comet.
10:30 - 10:45: Elena Vchkova Bebekovska - Physical and dynamical characteristics of asteroids.
10:45 - 11:25: Coffee break
Session 15: Multiple planet systems from Gaia DR4 and JWST (Chair: TBD)
11:25 - 11:40: Quanyi Liu - The shape and spin of giant exoplanets revealed by JWST.
11:40 - 11:55: Emmanuel Greenfield - Detection biases due to multiple planets in Gaia astrometry.
11:55 - 12:10: Chris Ormel - Resonant multi-planet systems: 1. Fitting astrometric data with periodic orbits.
12:10 - 12:25: Tian Yi - Resonant multi-planet systems: 2. Improved astrometric fitting with resonance priors.
12:25 - 13:55: Lunch break
Session 16: Stellar environments (Chair: Trifon Trifonov)
13:55 - 14:10: Mika Kontiainen - By Jove, what a crowd! On the prevalence of hot Jupiters in M67.
14:10 - 14:25: Francesco Maria Flammini Dotti - The effect of dense stellar environments on multi-planet systems.
14:25 - 14:40: Qingru Hu - Is the Galactic velocity dispersion a robust age indicator for planetary systems?
14:40 - 14:50: Closing remarks
14:50 End of conference
End of the conference
Posters
1 - Dawid Jankowski, A new look at the Neptune Desert.2 - Desislava Antonova, An updated dynamical analysis of the HD 82943 planetary system.
3 - Hans J. Deeg, Science on Circumbinary Planets from PLATO.
4 - Justine Bodart, General AMD-stability criterion for multi-planet systems.
5 - Nikola Antonov, The TESS Follow-up Program from the Perspective of Small Observatories: The Case of Meshtitsa Observatory.
6 - Pavol Gajdos, Discovery of three warm Jupiter planets using PLATOSpec.
7 - Salma Makhtich, Direct imaging of exoplanets using coronagraphy.
8 - Sona Davis, Forecasting the exoplanet yield and observational capabilities of LIFE Mission.
9 - Stefan Parimucha, Scheduling of ground-based spectroscopic follow-up of exoplanetary candidates.
10 - Zachary William Gilbert-Murphy, Resonant capture and stability in inviscid protoplanetary discs.
11 - Tala Pinto Beyond the Seeing Limit: iLocater as a Facility for Resolving Multi-Planet Systems and Close Binaries.
12 - Lixian Shen - Hunting for Transit Timing Variations in TESS Objects of Interest.
13 - Petar Eftimov - Planetary and Exoplanetary Research - Highlights From the SU Astrobiology Master Program.
14 - Uli Scheuss - CurveSimulator: A Flexible n-Body Python Library for Orbital Parameter Determination and Visualization
15 - Amber Sedgley - Warm giant systems with TESS and NGTS
16 - Nicola Nari - The RoPES project: a search for Earth-like planets around solar-type stars
17 - Selçuk Yalçınkaya - TOI-5799 b and c: Discovery and Future Prospects of Two Exoplanets in the Radius Valley
18 - Bestha Manjunath - Exoplanet Transmission Spectroscopy Using the 2m Himalayan Chandra Telescope