Multiplicity in Star Formation

An international workshop in Toronto



Workshop program


Workshop Photo Album

Wednesday May 16

Formation of Multiples
8:45am LOC: Welcome and logistics
9:00am Simon Goodwin: Do most stars form as singles or multiples?
9:20am Matthew Bate: Binary Properties from Hydrodynamical Simulations of Star Cluster Formation
9:40am James Wadsley: SPH Simulations of Star Formation
9:55am Michael Sterzik: Multiplicity in the earliest phases
10:15am---break---
10:55amGaspard Duchene: Multiplicity among embedded protostars
11:15amRalf Launhardt: Observations of binary protostars
11:35amXuepeng Chen: Distribution of mass and angular momentum in binary star formation
11:50amJeremy Lim: Observational Tests of Multiple Star Formation Models during Protostellar Phase
12:10pm---lunch---

Surveys of Stellar Multiplicity
2:00pmCathie Clarke: The problem of forming low mass ratio binaries
2:20pmNicole van der Bliek: Multiplicity of Herbig Ae/Be stars - A Survey
2:40pmBernadette Rogers: Mixed mass star formation: Herbig Ae/Be stars with Low Mass Companions
3:00pmThijs Kouwenhoven: Binary population in Upper Sco
3:20pm--- break ---
4:00pmJose Caballero: Multiplicity in the young sigma Orionis cluster: from massive stars to planets
4:20pmThomas Preibisch: Multiplicity of young stellar objects revealed by infrared interferometry
4:40pmAndy Boden: PMS Binaries resolved with near-IR Interferometry
4:55pmMotohide Tamura: HiCIAO: a new tool for young binary searches on the Subaru telescope
5:10pmJohn Percy: Search for Eclipsing T Tauri Stars using Herbst's Long-Term CCD Photometry Database
6pm-7:30pm--- reception at Massey College ---


Thursday May 17

Surveys of Stellar Multiplicity (continued)
9:00am Mirza Ahmic: Multiplicity in Chamaeleon I Star Forming Region
9:20am Emily Rice: Multiplicity in the Aquila Star-Forming Region
9:35am Rainer Koehler: What causes the low Multiplicity in the Orion Nebula Cluster?
9:55am Chris Matzner: Multiplicity and environment
10:15am --- break ---
10:55amAlexis Brandeker: Close binaries in young systems
11:15amDuy Nguyen: Close binaries in Cha I and Taurus
11:30amAndrei Tokovinin: Signatures of formation mechanisms in the multiple-star statistics
11:50amRaphael Steinitz: Statistics of multiple systems
12:10pm --- lunch ---

Surveys of the VLM Regime
2:00pm Lisa Prato: Lowest Mass Young Star Spectroscopic Binaries
2:20pm John Gizis: Brown Dwarf Binaries
2:40pm Adam Kraus: Multiplicity Across the Substellar Boundary
3:00pm David Lafreniere: New wide very low mass binary systems
3:15pm Wei-Chun Jao: Cool sub-dwarf multiplicity Investigation
3:30pm --- break ---
4:15pm Ryuichi Kurosawa: Radial velocity surveys of BDs in Upper Sco and rho Oph
4:30pm Viki Joergens: Radial velocity surveys of BDs in Cha I
4:45pm Nicolas Lodieu: Sub-Stellar Binary Fraction in the Pleiades
7:00pm --- dinner at Lai Wah Heen restaurant ---


Friday May 18

Characterizing Multiple Systems
9:00am Pawel Artymowicz: Gas flows in binary systems
9:20am Jenny Patience: Spatially resolved millimeter observations of pre-Main Sequence Binaries
9:40am Stefan Kraus: Optical interferometry of the Trapezium star Theta1OriC and a preliminary dynamical orbit
9:55am Eric Stempels: A new 1.3 Msun, 10 Myr, PMS eclipsing binary
10:10am --- break ---
10:50am Jonathan Irwin: Monitor: low-mass eclipsing binaries in young star clusters
11:10am Quinn Konopacky: New Results on the Dynamics of Very Low Mass Binaries: Combining High Spatial and High Spectral Resolution at Keck
11:30am Giuseppe Lodato: 2MASS1207 and the potential for planet formation around brown dwarfs
11:50pm --- lunch ---

Planets and Brown Dwarf Companions
2:00pm Rene Doyon: The Gemini Deep Planet Survey
2:20pm Anthony Whitworth: Formation of brown dwarf companions by disc fragmentation
2:40pm Fred Adams: Planet formation and orbital stability in binary star systems
3:00pm Eric Pfahl: Formation and Dynamics of Planets in Binaries
3:20pm --- break ---
4:00pm Markus Mugrauer: Multiplicity of exoplanet host stars
4:20pm Yanqin Wu: Binary Stars affect Planet Migration
4:40pm Ray Jayawardhana: Concluding Remarks
4:50pm End of Workshop
~7pm Relax at local pub...




Image credits (from left to right)
K. Stapelfeldt (JPL/Caltech); M. Bate (University of Exeter); D. Padgett (IPAC/Caltech), W. Brandner (IPAC), K. Stapelfeldt (JPL), and NASA