Near-Field Cosmology with Dwarf Elliptical Galaxies (IAU C198)

Front Cover
Dwarf galaxies offer a valuable insight into the physical processes that govern galaxy formation and evolution at high redshift. These elusive stellar systems are helping astronomers to find answers to some of the most burning questions in extragalactic astronomy. Present-day dwarf galaxies, the easily studied survivors of the primordial galaxy population, are important targets for research in the quest to provide local benchmarks for cosmological studies, in particular theories of structure formation. The proceedings of IAUC198 offer an exciting multidisciplinary collection of research results. The interpretation of the faint blue galaxy excess; the mismatch of the observed dwarf galaxy numbers with popular cosmological model predictions; and the puzzling diversity of star-formation histories among Local Group dwarf elliptical galaxies, are amongst the topical questions covered. Dwarf galaxy specialists and cosmologists map out strategies and outline a framework for progress on important issues related to near-field cosmology with dwarf elliptical galaxies.
 

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Contents

The stellar populations of local dwarfs
11
Modeling of star formation histories of dwarf ellipticals
17
The star formation history of the Fornax dSph galaxy using the new synthetic
25
The stellar populations of dSph galaxies in nearby groups
35
A recent merger in the Fornax dwarf spheroidal galaxy
42
Near IR imaging of Centaurus group dwarf elliptical galaxies
49
Kinematics and ML ratios of dwarf spheroidals
60
Rotationally supported Virgo dwarf elliptical galaxies
68
Dwarf galaxies are among the best places to probe the nature of dark matter
229
The mass of dwarf spheroidal galaxies and the missing satellite problem
235
Detailed kinematics and morphological features in tidally heated disks
244
searching for the holy grails
249
Neutral hydrogen in earlytype dwarf galaxies of the Sculptor Group
255
The TullyFisher relation of spiral galaxies
267
Constraining galaxy formation models with dwarf ellipticals in clusters
277
Low luminosity and ultra low surface brightness galaxies in the Virgo cluster
285

clues to their forma
73
Andromeda and the seven dwarfs
84
A case for extended dark matter halos in dwarf spheroidal galaxies
92
The Sagittarius dwarf masstolight ratio
101
Dwarf spheroidal kinematics with large radial velocity samples
107
The chemical composition of Local Group dwarf spheroidals
118
Galactic chemical abundance distributions in a ACDM universe
126
The chemical evolution of subpopulations in the Carina dwarf spheroidal
134
The effects of early reionization on the formation of dwarf galaxies
147
a conceptual model for M32
151
where are the progenitors of todays dwarf ellipticals?
164
Giant halos in dwarf irregular galaxies versus dwarf elliptical galaxies
181
success and problems on globular cluster scale
189
3D Simulations of the ISM pollution by SNII and SNI in dwarf spheroidal galaxies
198
Can satellite dwarfs excite galactic warps?
207
The environment of dwarf spheroidal satellites ram pressure tides and external
220
Dwarf spheroidal galaxies in nearby groups imaged with HST
295
Structural properties of dwarf ellipticals and the connection with ordinary ellip
303
The colours of Virgo dBs as seen by SDSS
311
The impact of accurate distances to dwarf elliptical galaxies on cosmology
322
Environmental dependencies in the luminosity function of galaxies
331
constraining tidal damage and the faint
337
a ubiquitous dwarf galaxy population in clusters
346
Kinematic properties and stellar populations of dwarf and faint earlytype galaxies
355
Resolving stellar populations using broad band photometry
361
The ACS Fornax cluster survey
368
Dwarf galaxy candidates in the NGC 3665 galaxy group
374
a structural continuity with giant
380
Age and metallicity estimations in old stellar populations from Strömgren photom
390
UCDs in Fornax and Abell 1689
404
Abundances from a large spectroscopic survey in w Centauri
418
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