Tidal Dwarf Galaxies Bonn 2009: Ghosts from structure formation
May 24th, Sunday:
Arrival and dinner in the Physics Centre. It is possible to arrive on Saturday.
May 25th, Monday
Satellite and tidal dwarf galaxies as probes of fundamental physics
How do structures form and evolve? How is the dark and baryonic matter arranged? How are dwarf galaxies distributed? Tidal tails and TDGs as probes of dark matter / gravity. TDGs versus missing satellites.
CHAIR: PAVEL KROUPA:
9:00 - 9:15: Pavel Kroupa: Welcome and motivation
9:15 - 9:45: Pierre-Alain Duc: The quest for old tidal dwarf galaxies [with Habilitation Thesis]
9:45 - 10:15: Juerg Diemand: Substructures in cold dark matter halos [with 3 movies]
10:15 - 10:30: (S) Tomoaki Ishiyama: Variation of the subhalo abundance in dark matter halos [with movie]
10:30 - 11:00: Thorsten Lisker: Can the majority of Virgo cluster early-type dwarfs be of tidal origin?
...........morning COFFEE (11:00 - 11:30)
CHAIR: PIERRE-ALAIN DUC:
11:30 - 12:00: Eva Grebel: The dwarf galaxy population
12:00 - 12:15: (S) Joe Wolf: Accurate dark matter masses for the faintest galaxies: a comparison between Andromeda and Milky Way satellites
12:15 - 12:30: (S) Daniele Fantin: Modelling ultra-fine structure in dark matter halos
12:30 - 13:00: Benoit Famaey: A review of the Modified Newtonian Dynamics phenomenology
............Monday LUNCH (13:15 - 14:30)
CHAIR: DUNCAN FORBES:
14:30 - 15:00: Mark Wilkinson: Dwarf galaxies of the Local Group
15:30 - 15:45: (S) Xufen Wu: The stability of dwarf elliptical galaxies in MOND
15:45 - 16:15: Hosein Haghi: Testing fundamental physics with distant star clusters
............afternoon TEA (16:15 - 16:45)
CHAIR: JÜRG DIEMAND:
16:45 - 17:15: Hans-Walter Rix: The issue once known as the `missing satellite problem'
17:15 - 17:45: Jorge Penarrubia: Tidal disruption of Globular Clusters in triaxial dwarf galaxies [with 2 movies]
17:45 - 18:30: HongSheng Zhao: Dark Fluid: a reconciliation/extension of Dark Energy, CDM and MOND?
............ Monday DINNER in the Centre (19:00)
May 26th, Tuesday
CHAIR: MARK WILKINSON:
9:00 - 9:30: Justin Read: Satellites & star clusters in CDM [with 2 movies]
9:30 - 10:00: Sukyoung Yi: Satellite overquenching problem
10:00 - 10:30: Garry Angus: The Milky Way dwarf spheroidals in MOND
............ morning COFFEE (10:30 - 11:00)
NEW SESSION: Galaxy-galaxy encounters, tidal tails and the formation of TDGs
How frequent are gas-rich galaxy-galaxy encounters? How are the angular momentum and the energy carried away? How many TDGs can form per tidal tail? Do numerical tidal tails fragment artificially? Which observational evidence is there for the formation of TDGs?
CHAIR: HONGSHENG ZHAO:
11:00 - 11:30: Christian Theis: Are compressive tides responsible for the Antennae's firework?
11:30 - 12:00: Bärbel Koribalski: HI in interacting galaxies
12:00 - 12:30: Beverly Smith: GALEX-discovered Tidal Dwarf Galaxies in the Spirals, Bridges, and Tails Interacting Galaxy Survey
............ Tuesday LUNCH (12:45 - 14:15)
CHAIR: JORGE PENARRUBIA:
14:15 - 14:45: Claudia Mendes de Oliveira: Observational evidence for formation of TDGs and intergalactic HII regions in compact groups and around interacting galaxies
14:45 - 15:15: Angel R. Lopez-Sanchez: Tidal tails and TDG candidates in blue compact dwarf galaxies
15:15 - 15:30: (S) Yun-Kyeong Sheen: TDG formation in action captured from NGC 4922
15:30 - 16:00: Michael Fellhauer: Modelling Tidal Dwarf Galaxies
............afternoon TEA (16:00 - 16:30)
CHAIR: THORSTEN LISKER:
16:30 - 17:00: Igor D. Karachentsev: Tidal dwarfs in nearby galaxy groups
17:00 - 17:30: Luis Colina: TDG candidates in (ultra)luminous infrared galaxies
17:30 - 17:45: (S) Ylva Schuberth: Stripped GCs in the Fornax Cluster?
............ Tuesday DINNER in the Centre (18:45)
May 27th, Wednesday
CHAIR: BÄRBEL KORIBALSKI:
9:00 - 9:30: Jay Gallagher III: Tidal Interactions and the Evolution of Companion Galaxies
9:30 - 10:00: Erik Muller: Molecular clouds in the tidal filament, Magellanic Bridge - a putative TDG?
10:00 - 10:30: Olivier Tiret: Galactic dynamics and galaxy interactions in MOND [with movie]
10:30 - 11:00: Markus Wetzstein: Properties of TDGs from N-Body/SPH Simulations
............morning COFFEE (11:00 - 11:30)
CHAIR: CLAUDIA MENDES DE OLIVEIRA:
11:30 - 12:00: Frederic Bournaud: Simulating tidal dwarf galaxies to understand their formation, evolution, and contribution to the dwarf-galaxy budget
12:00 - 12:30: Gianfranco Gentile: Tidal dwarf galaxies as a test of fundamental physics
NEW SESSION: TDGs and star formation
How does dwarf formation proceed in the peculiar intergalactic medium into which tidal tails expand? How does this star formation compare to star formation in external disk regions and to the `normal' star formation in normal disk galaxies? Is there a greater role of feedback in the weak gravitational field case of TDG formation? Is there evidence for a different IMF in TDGs?
12:30 - 13:00: Ute Lisenfeld: Molecular gas and star formation in tidal dwarf galaxies
........... Wednesday LUNCH (13:15 - 14:45)
CHAIR: CHRISTIAN THEIS:
14:45 - 15:15: Jonathan Braine: Star formation in low-density environments
15:15 - 15:45: Tobias Westmeier: Broadband Radio Observations of Local Groups with ASKAP (BROLGA)
15:45 - 16:15: Mederic Boquien: Collisional debris as laboratories to study star formation
16:15 - 16:45: Carsten Weidner: The integrated galactic initial mass function in dwarf galaxies
............ afternoon TEA (16:45 - 17:30)
FREE: Wednesday Cruise along the Rhine for general discussions with conference dinner (18:00 - 22:00)
May 28th, Thursday
CHAIR: JONATHAN BRAINE:
9:00 - 9:30: Peter Weilbacher: Star Formation in the Tidal Tail of the Merging Galaxy UGC 2238
9:30 - 10:00: Gerhard Hensler: Chemo-dynamical evolution of dE galaxies without dark matter
10:00 - 10:30: Simone Recchi: The early evolution of tidal dwarf galaxies [with 4 movies]
............morning COFFEE (10:30 - 11:00)
NEW SESSION: The nature of dSph galaxies and tidal streams
How many tidal streams are there in the Milky Way? How inhomogeneous are the outer parts of galaxies?
CHAIR: SONIA DUFFAU:
11:00 - 11:30: Helmut Jerjen: The Stromlo Missing Satellite Survey
11:30 - 12:00: Nicolas Martin: Musings on faint Local Group satellite galaxies
12:00 - 12:15: (S) Julio A. Carballo-Bello: Nearby cosmology: globular clusters as relics of the Milky Way formation
........... Thursday LUNCH (12:30 - 14:15)
CHAIR: MICHAEL FELLHAUER:
14:15 - 14:45: David Martinez Delgado: Tracing tidal streams in spiral galaxies of the local universe
14:45 - 15:15: Juergen Fliri: SDSS analysis of Galactic stellar streams
15:15 - 15:45: Masao Mori: The once and future Andromeda stream
............afternoon TEA (15:45 - 16:15)
CHAIR: ELENA D'ONGHIA:
16:15 - 16:45: Ricardo R. Munoz: The GGSS/Hydra Survey: A new stream in the first Galactic quadrant
16:45 - 17:15: Shoko Jin: Complex L - an HI structure shed by the Sagittarius dwarf galaxy?
17:15 - 17:45: Stefano Pasetto: Tidal effects on the spatial structure of the Local Group
17:15 - 18:15: Lucio Mayer: Dwarf galaxy evolution triggered by environmental processes
........... Thursday DINNER in the Centre (18:45)
May 29th, Friday
CHAIR: GERHARD HENSLER:
9:00 - 9:30: Rodrigo Ibata: Satellites and streams in nearby galaxies
9:30 - 10:00: Sonia Duffau: The Virgo Stellar Stream
10:00 - 10:30: Paola Re Fiorentin: A new kinematic survey (from SDSS-DR7 and GSC-II) to search for fossil records in the Milky Way (cancelled)
............morning COFFEE (10:30 - 11:15)
CHAIR: SHOKO JIN:
11:15 - 11:45: Alan W. McConnachie: The Local Group satellites and their distribution
11:45 - 12:15: Elena D'Onghia: The origin of dwarf spheroidal galaxies
12:15 - 12:45: Yang-Shyang Li: Modelling the Milky Way satellites in a cosmological context
12:45 - 13:05: Pavel Kroupa: Are the dSph satellites ancient TDGs?
............ Friday LUNCH (13:15 - 14:45)
NEW SESSION: TDGs and other stellar systems
How will TDGs evolve? Is there a link between star clusters, globular clusters and ultra-compact dwarf galaxies? Can TDGs be distinguished from traditional dwarfs?
CHAIR: HELMUT JERJEN:
14:45 - 15:15: Michael Hilker: The frequency of early-type dwarf galaxies in nearby clusters
15:15 - 15:45: Duncan Forbes: Globular clusters, ultra compact dwarfs and elliptical galaxies: an astronomical zoo
15:45 - 16:15: Steffen Mieske: The high M/L ratios of UCDs and their link to TDGs
............afternoon TEA (16:15 - 16:45)
CHAIR: CARSTEN WEIDNER:
16:45 - 17:15: Christopher Conselice: An HST survey of faint dwarfs in the Perseus cluster: dark matter and stellar populations
17:15 - 17:30: (S) Jan Pflamm-Altenburg: On the star-formation efficiencies of dwarf galaxies
17:30 - 18:45: Discussion:
How consistent are the new high star-formation efficiencies with existing theories of dwarf galaxy evolution?
20 min: Holger Baumgardt: New constraints on MOND from halo globular clusters of the Milky Way.
Are TDGs a significant contribution to the dwarf galaxy population?
If so, how does this affect cosmological theory via the sub-structure problem?
How can the flat rotation curves in TDGs be explained?
Are the dSph satellites ancient TDGs? If yes, how would this impact the dark matter hypothesis?
Is there any evidence for non-standard star-formation in TDGs?
............ Friday (final) DINNER in the Centre (19:00)