Scientific Program

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MONDAY, MARCH 22, 2021

1:45 PM (UT) / 9:45 AM (US ET) Welcome: Giacomo Fragione, Meeting Chair & Hagai Perets, Founder of the TRENDY Series
2:00 PM (UT) / 10:00 AM (US ET) Plenary Talks  [Chair: Fred Rasio]

Smadar Naoz (UCLA) – The Eccentric Kozai-Lidov Mechanism and its Applications
Clifford Will (University of Florida) – Higher-order Effects in the Dynamics of Hierarchical Triple Systems

2:30 PM (UT) / 10:30 AM (US ET) — Q&A Plenary Talks
3:00 PM (UT) / 11:00 AM (US ET) Planets I  [Chair: Laetitia Rodet]

Kedron Silsbee (MPE) – The Conditions Required for Planet Formation in Tight Binary Systems
Isabel Angelo (UCLA) – Origin of Kepler-1656b’s Extreme Eccentricity
Alexander Stephan (The Ohio State University) – Throwing Giant Planets at White Dwarfs
Hareesh Gautham Bhaskar (Georgia Tech) – Mildly-Hierarchical Triple Dynamics and Applications to the Outer Solar System

4:00 PM (UT) / 12:00 PM (US ET) — Group Photo / Coffee Break
4:15 PM (UT) / 12:15 PM (US ET) Observations  [Chair: Maxwell Moe]

David Jones (Instituto de Astrofísica de Canarias) – Triple Evolution Through the Planetary Nebula Phase
Oleg Kozhura (The Open University) – Triple Stars in Transit Surveys
Abigail Frost (KU Leuven) – Interferometry Detects a High Number of Triple Systems Amongst B-type Stars
Stefan Kraus (University of Exeter) – Disc Tearing and Variable Accretion in a Young Triple Star System with Misaligned Disk/Orbit Planes

5:15 PM (UT) / 1:15 PM (US ET) Coffee Break
5:30 PM (UT) / 1:30 PM (US ET) Poster Session I  [Chair: Lieke Van Son]

Aleksandr Mylläri (St. George’s University) – Three-body Stability Limit at Infinite Time
Dimitri Veras (University of Warwick) – Non-Kozai Instabilities in Planet-bearing Binary Systems Evolving Beyond the Main Sequence
Santiago Torres (UCLA) – Raining Rocks in Exo-Worlds
Cristiano Longarini (Università degli Studi di Milano) – On the Origins of Dusty Structures in the Triple System GW Orionis
Frantisek Dinnbier (Charles University) – On the Initial Multiplicity of B Stars: An Inverse Analysis from Cepheids
Monica Gallegos-Garcia (Northwestern) – Binary Black Hole Merger Rates in Rapid Population-synthesis Codes and the Impact of Improved Modeling of Binary Physics
Aleksandra Olejak (Nicolaus Copernicus Astronomical Center) – Isolated Formation of a 30+10 M⊙ Binary Black Hole Merger
Barry McKernan (CUNY/AMNH/CCA) – All the Fun Dynamics You Love, but with GAS
Evan Fitzmaurice (The Ohio State University) – Multi-Planet Circumbinary Migration: The Peril or Protection From Resonant Locking
Simone Ceppi (Università degli Studi di Milano) – Competitive Accretion in Hierarchical Triple Systems
Andrei Tokovinin (Cerro Tololo Interamerican Observatory) – Formation Channels of Hierarchical Stellar Systems
Gongjie Li (Georgia Tech) – Obliquity Variations of Circumbinary Planets

6:00 PM (UT) / 14:00 PM (US ET) Discussion Session
Topic I — Planets  [Moderator: Gongije Li]
Topic II — Observations  [Moderator: Tamás Borkovits]

TUESDAY, MARCH 23, 2021

2:00 PM (UT) / 10:00 AM (US ET) Plenary Talks  [Chair: Giacomo Fragione]

Adrian Hamers (MPA) – Challenges towards Realistic Stellar Evolution Models for Hierarchical Systems
Anne-Sophie Libert (University of Namur) – Evolution and Dynamics of Multiplanet Systems

2:30 PM (UT) / 10:30 AM (US ET) Q&A Plenary Talks
3:00 PM (UT) / 11:00 AM (US ET) Gravitational Waves Sources I  [Chair: Lisa Randall]

Zhong-Zhi Xianyu (Tsinghua University) – Eccentricity Without Measuring Eccentricity: Discriminating Among Stellar Mass Black Hole Binary Formation
Miguel Angel Martinez (Northwestern) – Mass Ratios of Isolated Triple Black Hole Mergers
Wenbin Lu (Caltech) – Formation of GW190814
Jakob Stegmann (Cardiff University) – Dynamics of Massive Stellar Triples and Implications for Binary Black Hole Mergers

4:00 PM (UT) / 12:00 PM (US ET) Coffee Break
4:15 PM (UT) / 12:15 PM (US ET) — Massive Black Holes  [Chair: Fabio Antonini]

Margarita Sobolenko (National Academy of Sciences of Ukraine) – Triple Supermassive Black Hole in NGC 6240: Observation, Simulation and Kozai-Lidov Effect
Abbas Askar (Lund University) – Formation and Growth of Supermassive Black Holes in Galactic Nuclei: Dynamics of Triple Intermediate-mass Black Holes Delivered in Stellar Clusters
Yun Fang (Peking University) – The Spin Effect of SMBH on the Dynamics and Gravitational Waves of the Surrounding Black Hole Binaries
Matteo Bonetti (Università di Milano-Bicocca) – Massive Black Hole Triplets: Implications for PTA and LISA

5:15 PM (UT) / 1:15 PM (US ET) Coffee Break
5:30 PM (UT) / 1:30 PM (US ET) Poster Session II  [Chair: Nathan Leigh]

Sanaea Rose (UCLA) – Using Binaries to Constrain the Density of Objects in the Galactic Center
Nathaniel Moore (Georgia Tech) – Inclination Excitation of Solar System Debris Disk due to Stellar Flybys
Aleksey Generozov (University of Colorado) – The Hills Mechanism and the Galactic Center S-stars
Jorge Correa Otto (CONICET) – The Outer Edge of the Oort Cloud
Vladimir Titov (Saint-Petersburg State University) – Collinear Trajectories. Lemaitre Regularization
Antranik Sefilian (Cambridge) – Mind the Gap: Secular Dynamics of Self-gravitating Debris Disks
Vladislav Sidorenko (Keldysh Institute of Applied Mathematics) – Secular Dynamics in Hierarchical Three-body System at First Order MMR
Maya Fishbach (Northwestern) – Astrophysical Lessons from the second LIGO–Virgo Gravitational‐Wave Transient Catalog
Marco Dall’Amico (University of Padova) – Formation of GW190521 via Exchanges in Young Star Clusters

6:00 PM (UT) / 14:00 PM (US ET) Discussion Session
Topic I — Massive Black Holes  [Moderator: Matteo Bonetti]
Topic II — Gravitational Wave Sources  [Moderator: Maya Fishbach]

WEDNESDAY, MARCH 24, 2021

2:00 PM (UT) / 10:00 AM (US ET) Plenary Talks  [Chair: Kassandra Anderson]

Silvia Toonen (University of Amsterdam) – The Evolution of Stellar Triples: the Most Common Evolutionary Pathways
Tamás Borkovits (Baja Astronomical Observatory) – Observational Evidence of Hierarchical Multiple Stars: Past, Present, and Future

2:30 PM (UT) / 10:30 AM (US ET) — Q&A Plenary Talks
3:00 PM (UT) / 11:00 AM (US ET) Theory  [Chair: Abigail Frost]

Rosemary Mardling (Monash University) – Two-planet Systems Near a First-order Commensurability: Resonant or not? Relaxed or not?
Barry Ginat (Technion) – Binary-Single Encounters as Random Walks
Tjarda Boekholt (Oxford) – Chaotic Triples and Irreversibility to the Planck Length
Barnabás Deme (Eötvös University) – A Canonical Transformation to Eliminate Resonant Perturbation

4:00 PM (UT) / 12:00 PM (US ET) Coffee Break
4:15 PM (UT) / 12:15 PM (US ET) Planets II  [Chair: Dimitri Veras]

Nikolaos Georgakarakos (New York University, Abu Dhabi) – Orbit Modeling of Circumbinary Planets and its Application to Planetary Habitability
Alexandre Correia (University of Coimbra) – Tidal Evolution of the Pluto-Charon-Sun Triple
Laetitia Rodet (Cornell) – On the Correlation between Hot Jupiters and Stellar Clustering: High-Eccentricity Migration Induced by Stellar Flybys
Christopher O’Connor (Cornell) – Enhanced Lidov–Kozai Migration of the Transiting Planet WD1856b

5:15 PM (UT) / 1:15 PM (US ET) Coffee Break
5:30 PM (UT) / 1:30 PM (US ET) Poster Session III  [Chair: Aleksey Generozov]

Alessandro Trani (University of Tokyo) – Spin misalignment of black hole binaries from young star clusters: implications for the origin of gravitational waves events
Abigail Frost (KU Leuven) – Observational Evidence of Coalescence as a Viable Cause of Magnetism in Massive Stars
Alejandro Vigna-Gomez (DARK, Niels Bohr Institute) – Massive Stellar Triples Leading to Sequential Binary Black-Hole Mergers in the Field
Chase Kimball (Northwestern) – Evidence for Hierarchical Black Hole Mergers in the Second LIGO–Virgo Gravitational-wave Catalog
Daohai Li (Lund University) – Interactions between the Sun-Jupiter Pair and Stellar Binaries in Clusters
Ryosuke Hirai (Monash University) – Formation of Eta Carinae’s Surrounding Nebula
Felipe Lagos (Universidad de Valparaiso/ESO Chile) – Most EL CVn Systems are Inner Binaries of Hierarchical Triples
Francesco Paolo Rizzuto (MPA) – Intermediate Mass Black Hole Formation in Compact Young Massive Star Clusters
Wei Hao (MPA) – Analysis of Simulation on Hierarchical Triple SMBHs in Galaxy Centers
Muhammad Akashi (Kinneret College & Technion) – Planetary Nebulae Formation by Triple System

6:00 PM (UT) / 14:00 PM (US ET) Discussion Session
Topic I — Planets  [Moderator: Nader Haghighipour]
Topic II — Theory  [Moderator: Barak Kol]

THURSDAY, MARCH 25, 2021

2:00 PM (UT) / 10:00 AM (US ET) Plenary Talks  [Chair: Hagai Perets]

Nicholas Stone (The Hebrew University of Jerusalem) – The Chase for a Solution to the Chaotic 3-body Problem
Bin Liu (Niels Bohr International Academy) – Binary Dynamics Near Supermassive Black Holes

2:30 PM (UT) / 10:30 AM (US ET) — Q&A Plenary Talks
3:00 PM (UT) / 11:00 AM (US ET) Stellar Evolution  [Chair: Silvia Toonen]

Patrick Neunteufel (MPA) – Challenges and Opportunities for a Detailed Stellar Evolution Codes for Multiples
Alexey Bobrick (Lund University) – Measuring the Effects of Triple Stellar Evolution in Galactic Globular Clusters
Hila Glanz (Technion) – Simulations of Common Envelope Evolution in Triple Systems and Their Outcomes
Nathan Leigh (Universidad de Concepcion) – Mergers of Equal-mass Binaries with Compact Object Companions from Mass Transfer in Triple Star Systems

4:00 PM (UT) / 12:00 PM (US ET) Coffee Break
4:15 PM (UT) / 12:15 PM (US ET) Gravitational Wave Sources II  [Chair: Smadar Naoz]

Yubo Su (Cornell) – A Preference For Small Mass Ratios in the Comparable-Mass Tertiary-Induced Binary Black Hole Merger Channel
Diego Muñoz (Northwestern) – Eccentric Black Hole Mergers from Evection Resonances in AGN Disks
Chris Hamilton (Cambridge) – Secular Dynamics of Compact Object Binaries in Stellar Clusters
Bao-Minh Hoang (UCLA) – Detecting Black Hole Dynamics in the Heart of Galaxies with LISA

5:15 PM (UT) / 1:15 PM (US ET) Coffee Break
5:30 PM (UT) / 1:30 PM (US ET) Poster Session IV  [Chair: Bao-Minh Hoang]

Kassandra Anderson (Princeton University) – Excitation of Spin-Orbit Misalignments in Stellar Binaries with Circumbinary Disks: Application to DI Herculis
Alexander Mustill (Lund University) – Exciting Large Planetary Eccentricities through a Combination of Planet–planet Scattering and Binary Kozai: the Case of HR5183b
Nader Haghighipour (Planetary Science Institute / University of Hawaii Institute for Astronomy) – No Resonance-Capture Is Exact: On The Connection Between the Deviations From Exact Resonances Observed In Multi-Planet Systems and the Physics of Resonance-Capture
Ariel Chitan (The University of the West Indies) – Relativistic Effects on Triple Systems: Burrau’s Problem Revisited
Xian Chen (Peking University) – The Formation, Evolution, and Detection of Binary Extreme-mass-ratio Inspirals
Luca Reali (Università degli Studi di Milano) – 3D Simulations of a Hierarchical Black-hole Triple Embedded in a Gaseous Disk
Peng Peng (Peking University) – Degeneracy between Mass and Peculiar Acceleration for the Double White Dwarfs in the LISA Band
Angel Bashyal (Tribhuvan University) – Can Insights from Triple Evolution be Applied to Moons?
Francesco Flammini Dotti (Xi’an Jiaotong-Liverpool University and University of Liverpool) – Dynamical Evolution of Planetary Systems in Open Clusters with a Central IMBH
Hugo Parischewsky (Universidad de Concepción) – Chaos in the Vicinity of a Singularity in the N-body Problem, and its Implications for Quantum Gravity

6:00 PM (UT) / 14:00 PM (US ET) Discussion Session
Topic I — Stellar Evolution  [Moderator: Adrian Hamers]
Topic II — Gravitational Wave Sources  [Moderator: Bin Liu]
6:45 PM (UT) / 14:45 PM (US ET) Concluding Remarks: Giacomo Fragione & Hagai Perets

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