Scientific Program

Program of IAU Symposium 211: Brown Dwarfs

SUNDAY, May 19, 2002

3:00pm Registration Desk opens (Hotel Lobby)

6:00-8:00pm Welcome Reception (Luau Grounds)

MONDAY, May 20, 2002

7:00am Registration Desk opens (Outside Alii meeting rooms)

7:45-8:45am Continental Breakfast (Alii Foyer)

SESSION I. INTRODUCTION
Alii Surf Ballroom

9:00-9:20am Welcome Speeches

9:20-9:50am Shiv Kumar: The Bottom of the Main Sequence and Beyond: Speculations, Calculations, Observations, and Discoveries (1958-2002)

SESSION IIa. ORIGINS OF BROWN DWARFS: THEORY

9:50-9:55am
Chair: Ralph Neuhaeuser

9:55-10:05
Guenther Wuchterl: The Collapse of Proto-Brown Dwarfs

10:05-10:25am
Bo Reipurth: Brown Dwarfs as Ejected Stellar Embryos

10:25-10:35am
Alan Boss: Formation of Planetary-Mass Brown Dwarfs in Magnetic Molecular Clouds

10:35-11:00am Coffee break

11:00-11:10am
Matthew Bate: The Formation Mechanism and Resulting Properties of Brown Dwarfs

11:10-11:20am
Phil Armitage: Orbital Migration and the Brown Dwarf Desert

SESSION IIb. ORIGINS OF BROWN DWARFS: OBSERVATIONS

11:20-11:40am
Fernando Comerón: Brown Dwarfs in Southern Star-Forming Regions

11:40-11:50am
Jean-Louis Monin: Young Brown Dwarfs Embedded in the Serpens Cloud

11:50-12:00pm
Philip Lucas: Probing the Bottom End of the IMF with Gemini

12:00-12:10pm
Mark McCaughrean: To the Fragmentation Limit: A VLT Infrared Survey to <5 Masses of Jupiter in the Trapezium Cluster

12:10-2:10pm Lunch break

2:10-2:20pm
Eugene Magnier: A Deep Photometric Search for Substellar Mass Objects in Taurus

2:20-2:30pm
Antonio Magazzù: Infrared Spectra of Brown Dwarfs Candidates in Taurus

2:30-2:40pm
Motohide Tamura: Deep Near-Infrared Surveys and Young Brown Dwarf Populations in SFRs

2:40-3:00pm
Kevin Luhman: The Substellar Population in IC 348

3:00-3:20pm
Maria Rosa Zapatero Osorio: The Substellar Population in Sigma Orionis

3:20-3:35pm Break

3:35-3:45pm
Frederick Walter: Very Low Mass Stars and Brown Dwarf Candidates in Orion OB1a and OB1b

3:45-3:55pm
Bruce Wilking: Spectroscopy of Brown Dwarf Candidates in the NGC 1333 Molecular Cloud

3:55-4:05pm
Yumiko Oasa: Very Low Mass Stellar Populations in Star-Forming Regions: Near-Infrared Luminosity Functions and Mass Functions

4:05-4:15pm
Charles Lada: Circumstellar Disks around Substellar Objects in Orion: Constraints for the Origin of Brown Dwarfs

4:15-4:25pm
Leonardo Testi: Disks in Young Brown Dwarfs

4:25-4:35pm
Mike Liu: A Survey for Circumstellar Disks around Young Substellar Objects

4:35-7:00pm
Volleyball Contest and Barbeque "Captain Nemo's" on the Beach

8:30-9:30pm
Alii Surf Ballroom
Panel Discussion on Substellar Terminology
Chair/Moderator: Alan Boss
Panelists: Gibor Basri, Shiv Kumar, Jim Liebert, Bo Reipurth, Maria Rosa Zapatero Osorio, Dider Queloz

TUESDAY, May 21, 2002

7:45-8:45 Continental Breakfast (Alii Foyer)

SESSION III. BROWN DWARFS IN OPEN CLUSTERS: EVOLUTION AND IMF

9:00-9:05am
Chairman: Antonio Magazzù

9:05-9:25am
David Barrado y Navascués: The Low Mass End of IC 2391

9:25-9:45am
John Stauffer: Brown Dwarfs in the Alpha Persei Cluster

9:45-9:55am
Richard Jameson: The Missing M Dwarfs

9:55-10:15am
Jerome Bouvier: The Substellar Mass Function of Pleiades-Age Open Clusters

10:15-10:55am Coffee break

SESSION IV. BROWN DWARFS IN THE MILKY WAY

10:55-11:00am
Chair: Tom Greene

11:00-11:20am
Thierry Forveille: Brown Dwarfs with DENIS

11:20-11:40am
Davy Kirkpatrick: Brown Dwarfs with 2MASS

11:40-12:00am
Kevin Covey: Finding Brown Dwarfs in SDSS

12:00-12:20pm
Patricia Boeshaar: Ground-Based Optical Deep Pencil Beam Surveys

12:25-2:00pm Lunch break

2:00-2:20pm
Jim Liebert: Kinematics and Nature of Ultracool M Dwarfs

2:20-2:40pm
Gilles Chabrier: Stellar and Substellar Mass Function in the Galaxy

2:40-2:50pm
B. Scott Gaudi: Microlensing Constraints on the Frequency of Low-Mass Companions

2:50-3:10am
Guido De Marchi: Globular Clusters: Low Mass Stars and . . . No Brown Dwarfs

3:10-3:45pm Coffee break

SESSION V. BROWN DWARFS AROUND STARS AND OTHER BROWN DWARFS

3:45-3:50pm
Chair: Sandy Leggett

3:50-4:10pm
Wolfgang Brandner: A Census of Binary Brown Dwarfs

4:10-4:20pm
Laird Close: A Discovery of Nine New Very Low Mass Binaries

4:20-4:30pm
Joseph Carson: An Adaptive Optics Survey for Brown Dwarfs in Stellar Systems

4:30-4:40pm
Christian Marois: TRIDENT: An Optimized Camera for the Detection of Methane Companions--First Results from CFHT

4:40-5:00pm
John Gizis: Wide Brown Dwarf Companions to Main-Sequence Stars

5:00-5:20pm
Eike Guenther: Searching for Planets of Brown Dwarfs

5:20-5:30pm
Jay Farihi: The Search for Brown Dwarfs around White Dwarfs

5:30-5:40pm
Viki Joergens: RV Survey for Planets of Very Young Brown Dwarfs in Cha I

5:40-5:50pm
Dan Potter: A Search for Brown Dwarfs around Young Solar-Analog Stars Using the Hokupa'a/Gemini Adaptive Optics System

6:00-7:30pm Poster Session and No Host Bar
Alii Foyer

WEDNESDAY, May 22, 2002

7:45-8:45 Continental Breakfast (Alii Foyer)

SESSION V. BROWN DWARFS AROUND STARS AND OTHER BROWN DWARFS (continued)
Alii Surf Ballroom

9:00-9:20am
Didier Queloz for Michel Mayor: From Brown Dwarfs to Giant Planets

9:20-9:30am
Tsevi Mazeh: On the Secondary Mass Distribution of Planets, Brown Dwarfs and Stellar Companions

9:30-9:40am
Patrick Lowrance:Companions to Young Stars

10:30am-6:30pm

Field Trips: Hawaii Volcanoes National Park or Mauna Kea Observatories

THURSDAY, May 23, 2002

7:45-8:45 Continental Breakfast (Alii Foyer)

SESSION V (continued). BROWN DWARFS AROUND STARS AND AROUND BROWN DWARFS

9:00-9:15am
Michael Sterzik: Brown Dwarf Companion Frequencies and Dynamical Interactions

9:15-9:30am
David Tyler: Faint Companion Detection Using Advanced Speckle Interferometry

SESSION VI. ULTRACOOL ATMOSPHERES, MAGNETIC ACTIVITY, AND WEATHER

Alii Surf Ballroom
9:30-9:35am
Chair: Hugh Jones

9:35-9:55am
Sandy Leggett: Energy Distributions, Luminosities, and Temperatures of L and T Dwarfs

9:55-10:15am
France Allard: Model Atmospheres and Spectra: The Role of Dust

10:15-10:35am
Gibor Basri: High-Resolution Spectroscopy of Ultracool Dwarfs

10:35-11:00am Coffee break

11:00-11:20am
Mark Marley: Clouds and the Atmospheres of L and T Dwarfs

11:20-11:40am
Didier Saumon: Spectroscopic Analysis of T Dwarfs

11:40-11:50am
Etienne Artigau: Near-IR Observations of the Light Curves of L and T Dwarfs

11:50-12:00pm
Denise Stephens: L Dwarf Classification, Is It Based on Temperature or Clouds?

12:00-12:10pm
Chris Tinney: Infrared Parallaxes for Brown Dwarfs

12:10-2:10pm Lunch break

2:10-2:25pm
Beate Stelzer: X-ray Observations of Old and Intermediate-Age Brown Dwarfs

2:25-2:40pm
Scott Wolk: X-ray Detection of Brown Dwarfs with Chandra

SESSION VII. CLASSIFICATION SCHEMES AND SPECTROSCOPIC DIAGNOSTICS

2:40-2:55pm
Chair: Thierry Forveille

2:55-3:10pm
Takashi Tsuji: Unified Cloudy Models and Spectral Classification of L and T Dwarfs

3:10-3:25pm
Yakiv Pavlenko: Modelling of Optical and IR Spectra of Brown Dwarfs

3:25-4:00pm Coffee break

4:00-4:20pm
Thomas Geballe: The Transition from L to T: Chemistry and Classification

4:20-4:40pm
Adam Burgasser: The Classification of T Dwarfs

4:40-4:50pm
John Wilson: New L and T Dwarfs Confirmed with CorMASS

4:50-5:00pm
Michael Cushing: A Near-Infrared Spectral Sequence of M, L and T Dwarfs

SESSION VIII. EVOLUTION OF BROWN DWARFS

5:00 - 5:05pm
Chair: Didier Queloz

5:05-5:25pm
Isabelle Baraffe: Evolutionary Models for Brown Dwarfs and Giant Planets

5:25-5:45pm
Adam Burrows: The Atmospheres and Spectra of Giant Planets and Brown Dwarfs

5:45-5:55pm
Hugh Harris: Parallaxes of Brown Dwarfs at USNO

7:00-9:00pm Luau Conference Dinner
Hotel Luau Grounds

FRIDAY, May 24, 2002

7:45-8:45 Continental Breakfast (Alii Foyer)

SESSION IX. FUTURE PROSPECTS (Alli Surf Ballroom)

9:00-9:05
Chair: Eduardo Martín

9:05-9:25am
Eric Becklin: Stratospheric Observatory for Infrared Astronomy (SOFIA)

9:25-9:35am
Didier Queloz: From CORALIE to HARPS: The Way the Next Generation Extra-Solar Planet Surveys by Precision Doppler Measurements

9:35-9:55am
Klaus Hodapp: Status of IR Array Technology for Wide-Field NIR Survey Camera

9:55-10:10am
Jean-Luc Beuzit: The WIRCAM Wide-Field InfraRed Camera

10:10-10:20am
Nigel Hambly: Brown Dwarfs in the UKIRT Infrared Deep Sky Survey (UKIDSS)

10:20-10:30am
Anne Lagrange: High-Contrast Observations with the VLT: AO system NAOS

10:30-11:00am Coffee break

11:00-11:10am
Masa Hayashi: Future Prospects of the Subaru Adaptive Optics and Brown Dwarf Research

11:10-11:20am
Christ Ftaclas: NICI: A Dual Channel Adaptive Optics Coronagraph for Gemini South

11:20-11:40am
Alan Tokunaga: High Dynamic Range and the Search for Planets

11:40-12:10pm
Davy Kirkpatrick: The Next Generation Sky Survey

12:10-12:20pm
Hans Zinnecker: Microlensing of Free-Floating Brown Dwarfs

12:20-2:00pm Lunch break

2:00-2:20pm
Damien Segransan: Observation of Very Low Mass Stars and Brown Dwarfs with the VLTI

2:20-2:30pm
Vincent Coudé du Foresto: Sizing Brown Dwarves with 'Ohana

2:30-2:40pm
Hans Bernstein: The Detection of Brown Dwarfs with Astrometric Satellites DIVA and GAIA

2:40-2:50pm
Deborah Padgett: Prospecting for Brown Dwarfs in Space Infrared Telescope Facility (SIRTF) Legacy Science Datasets

2:50-3:20pm
Richard Jameson: Conference Summary

Posters (Only those who have sent in their abstract are listed.)

1. Searching for Brown Dwarfs on Long Period Orbits around Nearby Stars
Loic ALBERT

2. A Search for Companions to L Dwarfs
Peter ALLEN

3. First MIR Observations of Brown Dwarfs and Their Disks
Daniel APAI

4. A Search for Binary Brown Dwarfs
Hervé BOUY

5. The Brown Dwarf Deficit in Taurus: Evidence for a Non-Universal IMF
César BRICEÑO

6. IR Variability of L Dwarfs
José CABALLERO

7. Substellar Luminosity and Mass Functions of a Young, Embedded Star
Forming Region
Emmanuel CAUX

8. A Deep Large-Scale Survey for Intermediate Aged Brown Dwarfs in Praesepe
Richard CHAPPELLE

9. Adaptive Optics Imaging Survey of the HorlogiumA and Tucana Associations
Gael CHAUVIN

10. Periodic Variability in the Brown Dwarf Kelu-1
Fraser CLARKE

11. Meeting the Cool Neighbors
Kelle CRUZ

12. The Ejection of Brown Dwarfs from Unstable Multiples
Eduardo DELGADO-DONATE

13. Searching for Brown Dwarfs in Open Clusters
Paul DOBBIE

14. Searching for Variability at the L/T Boundary
Melissa ENOCH

15. Discovery of One of the Tightest and Largest Mass Ratio Brown Dwarf Companions to a Very Low Mass Star Using Gemini/Hokupa`a Adaptive Optics
Melanie FREED

16. Multi-wavelength L-Dwarf Variability
Christopher GELINO

17. CLOUDS: An International Collaboration for the Study of L and T Dwarf Variability
B.Goldman

18. Evolution of Brown Dwarf Atmospheres: Investigating Physical Parameters from Near-IR Spectra
Nadya GORLOVA

19. Near-Infrared Adaptive Optics Spectroscopy of BinaryDwarf HD 130948B and HD 130948C Brown
Miwa GOTO

20. A Large Area Survey for Brown Dwarfs in the Pleiades
Simon HODGKIN

21. Methane and the Spectra of T Dwarfs
Derek HOMEIER

22. A Search for Disks around Young Brown Dwarfs
Ray JAYAWARDHANA

23.Light Time Effects in Pulsating Variables and Brown Dwarfs
JIANG Shi Yang

24. An Infrared Spectral Sequence Using the HST
Hugh JONES

25. The Distribution of Brown Dwarfs in NGC 2024
Joanna LEVINE

26.A Search for Young Brown Dwarfs in the Alpha Persei Cluster
Nicolas LODIEU

27. Multiplicity Statistic of Brown Dwarfs and Very Low Mass Stars
Lydie MARCHAL

28. The Brown Dwarf Desert: Results of Searches for Companions
Chris McCARTHY

29. Looking for Very Low-Mass Pre-Main-Sequence Objects with SDSS
Peregrine McGEHEE

30. Near-IR Photometry and Spectroscopy of the Trapezium Cluster with the VLT: Reaching the Fragmentation Limit?
Gwendolyn MEEUS

31. Activity in Very Cool Stars: Magnetic Dissipation in late-M and L Dwarf Atmospheres
Subu MOHANTY

32. The Substellar IMF in the Pleiades Cluster
Estelle MORAUX

33. The Sub-Stellar Luminosity and Mass Function of the Trapezium Cluster Down to the Deuterium Burning Limit
August A. MUENCH

34. Accretion in Young, Very Low Mass Objects
James MUZEROLLE

35. H and K Band Methane Features in an L Dwarf, 2MASS 0920+35
Tadashi NAKAJIMA

36. Multiplicity of Young Brown Dwarfs in Cha I
Ralph NEUHÄUSER

37. Methane in L Dwarfs
Keith NOLL

38. Brown Dwarfs and White Dwarfs: Much in Common
Ben OPPENHEIMER

39. A Large, Deep Survey of the Taurus Dark Cloud
Samantha OSBORNE

40. Brown Dwarf and Low-Mass Star Sequences in the Pleiades and Praesepe
David PINFIELD

41. A 0.8-4.1 Micron Spectral Sequence of M and L Dwarfs
John RAYNER

42. Optical Spectroscopy of Brown Dwarfs in Orion
Fiona RIDDICK

43. A Deep Infrared Survey for Freely-Floating Superplanet/Brown Dwarfs across the Deuterium Burning Limit
Michael SCHWARTZ

44. Analysis of L Dwarfs Using PHOENIX
Andreas SCHWEITZER

45. Candidate Brown Dwarfs in the Orion OB1b Sub-Association
William SHERRY

46. Trans Neptunian Objects and Detection of Brown Dwarfs
B. S. Shylaja

47. An Adaptive Optics Survey of M6-M7 Stars: Discovery of Two VLM Binaries at Gemini North
Nick SIEGLER

48. Surveying the Solar Neighborhood for Brown Dwarf Companions with the ECLIPSE Discovery Mission
Karl STAPELFELDT

49. An Efficient Low-Resolution Near-Infrared Classification Scheme for M, L, and T Dwarfs and Its Application to Young Brown Dwarfs
Leonardo TESTI

50. Low Mass Stars and Brown Dwarfs in Taurus
Russel WHITE

51. Formation of Substellar Objects: A SIRTF Legacy
Chadwick YOUNG

52. The X-ray Properties of the Young Brown Dwarfs in IC 348
Hans ZINNECKER for Thomas Preibisch

53. Subaru Coronagraphic Search for Young Brown Dwarfs
Yoichi ITOH

54. The NIRSPEC Brown Dwarf Spectroscopic Survey
Ian S. McLEAN

55. Mid-Infrared Measurements of DENIS0255-4700
G. S. ORTON for M. J. Creech-Eakman