Lorentz Center - Stellar Mergers from 21 Sep 2009 through 2 Oct 2009
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    Stellar Mergers
    from 21 Sep 2009 through 2 Oct 2009

 
PROGRAM

PROGRAM WEEK 1

 

All talks will be given in the lecture room, 201, of the Huygens Building.

----------------------------------------------------------------------------------------------------------------------------------Monday 21 September 2009                             Overview and scope, Merger channels

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10.00 – 10.10

Welcome

 

10.10 – 10.50

Onno Pols: Stellar mergers: introduction and overview

presentation

10.50 – 11.20

Coffee

 

11.20 – 12.00

Philipp Podsiadlowski: Common envelope evolution, massive stellar mergers

presentation

12.00 – 12.20

Workshop organization

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

17:30 - 19:00

Wine & Cheese Party in the common room

 

 

 

 

 

Contributed talks

 

 

Natasha Ivanova: Common Envelope: how new energy balance makes less mergers

presentation

 

Vincent Icke: tba

 

                                   

----------------------------------------------------------------------------------------------------------------------------------Tuesday 22 September 2009                                                                 Clusters as merger sites

----------------------------------------------------------------------------------------------------------------------------------     

           

09:30 – 10.10

Simon Portegies Zwart: Cluster dynamics, runaway mergers, MODEST

project

 

10.10 – 10.50

John Fregeau: The many possible histories of cluster cores, and the

implications for collisions

presentation

10.50 – 11.20

Coffee

 

11.20 – 12.00

Chris Fryer: Explosive kicks and compact object mergers

presentation pdf, presentation ppt

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

 

 

 

 

Contributed talks

 

 

Nathan Leigh: Stellar Populations in Globular Cluster Cores

presentation

 

 

 

                                

 

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Wednesday 23 September 2009                                                            Massive star mergers

----------------------------------------------------------------------------------------------------------------------------------

                                

 

09:30 – 10.10

Norbert Langer: massive mergers

presentation

10.10 – 10.50

Selma de Mink: Massive binaries

presentation

10.50 – 11.20

Coffee

 

11.20 – 12.00

Romuald Tylenda: V838 Mon. A stellar merger?

Audio

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

 

Contributed talks

Michaela Kraus: B[e] supergiants and compact planetary nebulae B[e] stars: the results of stellar merger processes

presentation

audio

 

Ben Fitzpatrick: Effects of envelope structure on massive stellar merger ejecta

presentation

audio

 

Romuald Tylenda: objects similar to V838 Mon [extra contribution]

 

 

Vitaly Goranskij: The nature of peculiar red novae with K-M   spectra in the outbursts"

presentation

audio

 

19:00 - 22:00          Conference dinner@down town Leiden in Restaurant “De Branderij”

                                 Route and the menu

 

 

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Thursday 24 September 2009                              Merger Simulations: collsions vs slow mergers

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09:30 – 10.10

Evghenii Gaburov: SPH of collisions, GPU codes

presentation

audio

10.10 – 10.50

Stephan Rosswog: Collisions of white dwarfs as a new progenitor channel for type Ia supernovae

presentation1,

presentation 2

audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Mike Politano: Common Envelope Mergers: Giant Stars and Stellar/

Substellar Companions

presentation

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

 

 

 

 

Contributed talks      

 

 

Pablo Loren: SPH simulations of white dwarf collisions and close encounters in globular clusters

presentation

(avi1, avi2)

audio

 

James Guillochon: Double Detonating Destabilized Double Degenerate Dwarf Duos

presentation (key) audio

 

 

                                

 

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Friday 25 September 2009                                                  Mergers in population synthesis

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09:30 – 10.10

Gijs Nelemans: Populations with white dwarfs

presentation

audio

10.10 – 10.50

Natasha Ivanova: Population synthesis and mergers in dense stellar systems

presentation

audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Contributed talks

 

12.00 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

 

 

 

 

Contributed talks      

 

 

Vitaly Goranskij: Peculiar Helium Nova V445 Puppis as an event of merging of white dwarf with a nucleus of an evolved star

presentation

audio

                                

 

 

PROGRAM  WEEK 2

 

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Monday 28 September 2009                                                   Fundamental theory of stellar mergers

----------------------------------------------------------------------------------------------------------------------------------

09:30 – 10.10

Peter Eggleton: Evolutionary routes to slow and fast mergers

 

10.10 – 10.50

Evert Glebbeek: merger evolution

audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Melvyn Davies: Stellar mergers in galactic nuclei

presentation

audio

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

17:30 - 19:00

Wine & Cheese party

 

 

 

 

 

Contributed talks

 

 

Bojan Arbutina: The Minimum Mass Ratio for Contact Close Binary Systems of W Ursae Majoris-type

presentation

audio

 

Hagai Perets: The triple origin of blue stragglers

audio

 

                                

           

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Tuesday 29 September 2009                                                                  Compact object mergers

----------------------------------------------------------------------------------------------------------------------------------

           

09:30 – 10.10

Marc van der Sluys: compact binaries, gravitational waves

presentation

audio

10.10 – 10.50

Joel Tohline: merger simulations

presentation (mov, mpeg2, mpeg3) audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Ashley Ruiter: Double White Dwarf Mergers with Population Synthesis

presentation

audio

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 17.30

Discussion/Contributed talks

 

17:30 - 19:00

Wine & Cheese party

 

 

 

 

 

Contributed talks

 

 

Alexey Bogomazov: Merging of components in close binaries: Type Ia

supernovae, massive white dwarfs, and Ap stars

audio

 

Nicki Mennekens: Delay time distribution of type Ia supernovae          

presentation

audio

 

Gagik Tovmassian: TS01 SBS1150+599): one of the most promising

candidates to SN Ia. Results of multifrequency study

presentation

audio

 

                                      

 

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Wednesday 30 September 2009                                          Evolution of WD merger products      

----------------------------------------------------------------------------------------------------------------------------------

 

09:30 – 10.10

Haili Hu: Subdwarf B stars from He white dwarf mergers

presentation

audio

 

10.10 – 10.50

Naslim Neelamkodan: Surface Abundances of Helium-Rich Subdwarf B Stars

presentation

audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Discussion on sdB stars/WD mergers

 

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 16.00

Working session

 

16.00 – 16.40

Gajendra Pandey: H-deficient stars - merger products? Clues to their origin from spectroscopy

audio

16:40 - 17:20

Geoffrey Clayton: The Evolutionary History of the R Coronae Borealis Stars

audio

 

 

18:00 - 22:00          Conference dinner@boat, trip with the “Olympia” of Groene                         Hart Cruises

 

 

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Thursday 1 October 2009                                                Stellar abundances as merger signatures

----------------------------------------------------------------------------------------------------------------------------------

 

09:30 – 10.10

Simon Jeffery: The evolution of white dwarf mergers, evidence and                diagnostics from hot subdwarfs and other helium stars

presentation

audio

10.10 – 10.50

Rob Izzard: The R Stars: carbon stars that should not be

audio

10.50 – 11.20

Coffee

 

11.20 – 12.00

Discussion on sdB stars/WD mergers

 

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

13.30 – 13:45

Patrick Tisserand: Galactic distributions of RCB stars

presentation

audio

13:45 – 16.30

Discussion on R CrB stars

 

 

 

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Friday 2 October 2009                                                       Final aspects & workshop wrap-up

----------------------------------------------------------------------------------------------------------------------------------

 

 

09:30 – 09:50

Gagik Tovmassian: Cataclysmic variable FS Aur: possibly a triple system containing a planet

presentation

audio

09.50 – 10.45

Discussion on planet mergers

 

10.50 – 11.20

Coffee

 

11.15 – 13.00

Free time (opportunity to attend Kip Thorne’s lecture, Sitter room, ground floor of the Oort Building)

 

12.00 – 12.20

Contributed talks

 

12.20 – 13.30

Lunchbreak@Gorlaeus Restaurant

 

14.00 – 15.00

Simon Jeffery: Workshop summary

summary

audio

 

                                  

===end of workshop===

                                   

                                

 

                                  

 

 

 

                                         

 



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