Name: Multiplicity in Young Stars
Start: 2025-08-26T08:30:00+02:00
End: 2025-08-29T16:30:00+02:00
Location: Niels Bohr Institute

Multiplicity in Young Stars

from Tuesday, 26 August 2025 (08:30) to Friday, 29 August 2025 (16:30)

Monday, 25 August 2025
Tuesday, 26 August 2025

08:30 Registration and coffee

08:30 - 09:00
09:00 Introduction
09:00 - 09:50
Contributions

09:00 Welcome - Troels Haugbølle (Niels Bohr Institute)

09:10 Multiplicity - a historical review - Hans Zinnecker (Astrophysical Institute Potsdam)
09:50 Formation pathways
09:50 - 10:30
Contributions

09:50 A Comprehensive Characterization of Protostellar Multiplicity within 500 pc - John Tobin (NRAO)
10:30 Coffee break
Coffee break
10:30 - 11:00
11:00 Formation pathways
11:00 - 12:20
Contributions

11:00 A multi-scale ALMA view of starless and protostellar dense cores in Aquila - Samuel Fielder (University of Victoria)

11:20 Formation of high-mass multiple-star systems: early migration and stellar mergers - Alejandro Vigna Gomez (Max Planck Institute for Astrophysics)

11:40 Orbital statistics of multiple systems formed from small-N subclusters - Hannah Ambrose (Cardiff University)

12:00 Soft No More: Gas Shielding Protects Soft Binaries from Disruption in Gas-rich Environments - Mor Rozner (Cambridge & IAS)
12:20 Lunch break
Lunch break
12:20 - 13:40
13:40 Formation pathways
13:40 - 14:40
Contributions

13:40 The interplay of multiplicity and infall - Michael Küffmeier (University of Copenhagen)

14:20 Low mass binaries are bound from birth - Aleksey Generozov (University of Texas at Austin)
14:40 Coffee break
Coffee break
14:40 - 15:10
15:10 Formation pathways
15:10 - 16:30
Contributions

15:10 Exploring the Role of Star-forming Environment on the Formation of Stellar Multiples - Matthew De Furio (University of Texas at Austin)

15:30 Poster Lightning Presentations
16:30 Poster session and welcome reception
Poster session and welcome reception
16:30 - 18:30
Wednesday, 27 August 2025
09:00 Multiplicity in clustered environments
09:00 - 10:20
Contributions

09:00 The need for speed - massive stellar multiplicity and clusters in the context of multiple star formation - Abigail Frost (ESO)

09:40 The Formation of Low-mass Multiple Systems in1 High-mass Cluster-forming Regions - Qiuyi Luo (Shanghai Astronomical Observatory, CAS)

10:00 Probing Multiplicity in Young and Embedded Massive Galactic Star Clusters with NACO/VLT - Chinmaya Nagar (University of Cologne)
10:20 Coffee Break
Coffee Break
10:20 - 10:50
10:50 Multiplicity in clustered environments
10:50 - 12:10
Contributions

10:50 Wide binaries in the Orion OB association - Monika Petr-Gotzens (European Southern Observatory)

11:10 The Multiplicity of Massive Young Stellar Objects - René Oudmaijer (Royal Observatory of Belgium)

11:30 From Wide to Close: how migration shapes massive binary systems - Emma Bordier (I. Physics Institute - University of Cologne)

11:50 Multiplicity properties of massive stars through high-contrast imaging - Tinne Pauwels (KU Leuven)
12:10 Conference Photo
Conference Photo
12:10 - 12:20

12:20 Lunch
Lunch
12:20 - 13:40
13:40 Planet formation and stability in multiple systems
13:40 - 14:40
Contributions

13:40 Growing binary/multiple star systems as sources of free floating planets and FU Ori outbursts - Sergei Nayakshin (University of Leicester)

14:00 On the use of Gaia astrometry to indentify companions in Young Stars - Miguel Vioque (European Southern Observatory)

14:20 Polar circumbinary discs and planets around binary star systems - Jeremy Smallwood (University of Oklahoma)
14:40 Coffee break
Coffee break
14:40 - 15:10
15:10 Planet formation and stability in multiple systems
15:10 - 16:30
Contributions

15:10 The effect of binary formation on planet formation - Kaitlin Kratter (University of Arizona)

15:50 Disk evolution and planet formation in the Triple HD104237 System - Antonio Hales (NRAO)

16:10 The critical role of cooling in shaping circumbinary disk cavities: hydrodynamics and observational comparisons - Prakruti Sudarshan (MPIA Heidelberg)
Thursday, 28 August 2025
09:00 Discs in multiple systems
09:00 - 10:20
Contributions

09:00 Chopping and changing: How multiplicity shapes disc evolution - Daniel Price (Monash University)

09:40 The Dynamics of Disks in Multi-Star Systems - Ian Rabago (Universita Degli Studi di Milano)

10:00 On the lower limit of circumbinary disk fragmentation - Matt Teasdale (University of Central Lancashire)
10:20 Coffee break
Coffee break
10:20 - 10:40
10:40 Discs in multiple systems
10:40 - 12:00
Contributions

10:40 Where do grains grow in binary systems ? A 3D hydrodynamical approach - Antoine Alaguero (CNRS / IPAG)

11:00 Sculpting the inner edge - themodynamic effects on circumbinay discs - Anna Penzlin (LMU - Munich)

11:20 Hotter Together: The Impact of Asymmetric Radiation on Disc Chemistry and Dynamics in Stellar Binaries - Pedro Poblete Rivera (Institut de Planétologie et d'Astrophysique de Grenoble (IPAG))

11:40 Magnetic-Field-Driven Orbital Decay in Accreting Binary Systems - Tomoaki Matsumoto (Hosei University)
12:00 Lunch
Lunch
12:00 - 13:10
13:10 Accretion and variability in multiple systems
13:10 - 14:30
Contributions

13:10 Accretion variability and multiplicity - Ágnes Kóspál (Konkoly Observatory)

13:50 Simulated Analogues: connecting observations with simulations using Deep Learning - Rami Al Belmpeisi (DTU) Vito Tuhtan (Niels Bohr Institute)

14:10 The NGC 6334-43 field with ALMA: protostellar multiplicity and a young streamer-fed protobinary - David Taylor (University of St Andrews)
14:30 Coffee break
Coffee break
14:30 - 14:50
14:50 Accretion and variability in multiple systems
14:50 - 15:30
Contributions

14:50 Multiplicity and Inner Disk Reshaping in the Extreme Accretion Event of FUor V960 Mon - Daniel Daza Valdebenito (Niels Bohr Institute)

15:10 Accretion Variability and Binarity in Young Stars: Insights from DQ Tau and Transition Disks - Hala Alqubelat (European Southern Observatory)
16:00 Conference Excursion and Dinner
Conference Excursion and Dinner
16:00 - 21:00
Friday, 29 August 2025
09:00 Interactions with the environment
09:00 - 10:40
Contributions

09:00 The interplay between multiple protostellar systems and their environment - Maria Teresa Valdivia Mena (European Southern Observatory)

09:40 Unveiling Central ortho-H2D+ Depletion at Sub-kau Scales in Prestellar Core G205.46−14.56 M3 - Sheng-Jun Lin (ASIAA)

10:00 Tangled infall signatures in the L1448N region in the Perseus molecular cloud - Caroline Gieser (Max Planck Institute for Astronomy)

10:20 Streamers and Multiplicity: Is there a connection? - Jaime E Pineda (Max-Planck-Institut für extraterrestrische Physik)
10:40 Coffee break
Coffee break
10:40 - 11:10
11:10 Interactions with the environment
11:10 - 12:10
Contributions

11:10 Walkaway Stars: Evidence for Stellar Mergers - Bo Reipurth (University of Hawaii)

11:30 Dust Dynamics in Protoplanetary Discs after Stellar Flybys - Vasundhara Prasad (Institute of Astronomy, University of Cambridge)

11:50 The ODISEA Project: Planet Formation in the Ophiuchus Molecular Cloud - Camilo González-Ruilova (Universidad de Santiago de Chile)
12:10 Summary
12:10 - 13:00
Contributions

12:10 Conference Summary - Dominique Segura-Cox (University of Rochester)

12:50 Closing remarks - Troels Haugbølle (Niels Bohr Institute)
13:00 Lunch
Lunch
13:00 - 14:30

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