Ringberg Workshop on THE CHEMICAL EVOLUTION OF DWARF GALAXIES - PRESENT STATUS AND PERSPECTIVES July 29 to August 2, 2002 http://www.mpia.de/~grebel/Ringchem/ Preliminary program, version July 14, 2002 ------------------------------------------------------------------------------- MONDAY, July 29, 2002 I. Early evolution and formation of dwarfs and implications for chemistry CHAIR: Noguchi 9:00 Grebel Introductory remarks 9:10 Wyse Standard models for dwarf galaxy formation 9:40 Bullock Re-ionization and the abundance of dwarf galaxies 10:10 Hensler Chemo-dynamical Evolution of Dwarf Irregular Galaxies 10:40-11:10 BREAK 11:10 Mori Early metal-enrichment by pre-galactic outflows: three-dimensional simulations of blow-away 11:40 Jimenez [QSO absorption systems and dwarf galaxies] 12:10 Charbonnel Chemical fingerprints of low- and intermediate-mass stars: the field to cluster connection 12:40-14:20 LUNCH II. Early enrichment processes in dwarfs, Pop III to Pop II CHAIR: Charbonnel 14:20 Grebel How old are the oldest age-dateable populations in dwarfs? 14:50 Feltzing Metallicity distribution functions from Stroemgren photometry 15:20 Smecker-Hane Chemical Abundances in Dwarf Galaxies from Low- Resolution Spectroscopy 16:00-16:30 BREAK 16:30 Shetrone Abundance Ratios in dSphs from High Resolution Spectra 17:00 Geisler The Chemistry of Sculptor Giants 17:30 Ikuta Star Formation and Chemical Enrichment Histories of Local Group Dwarf Galaxies 18:00 Wyse Summary and discussion 18:30 DINNER ------------------------------------------------------------------------------ TUESDAY, July 30, 2002 III. Intermediate-age and young populations and chemical evolution CHAIR: Smecker-Hane 9:00 Walsh Planetary Nebulae as Probes of Dwarf Galaxies 9:30 Groenewegen Carbon stars in the Local Group 10:00 Richer The chemical evolution of dwarf spheroidal galaxies 10:30-11:00 BREAK 11:00 Venn Stellar Abundances in Dwarf Irregular Galaxies 11:30 Ferrara Stellar Feedback and Metal Enrichment in Galaxies IV. Molecules and Dust in Dwarfs 12:00 Israel Molecular Content of Dwarf Galaxies 12:30-14.20 LUNCH CHAIR: Duc 14:20 Lisenfeld Evolution of dust in dwarf galaxies 14:50 Madden Dust in low metallicity environments 15:20 Galliano Properties of the low-metallicity ISM of a sample of dwarf galaxies 15:50-16:20 BREAK V. Enrichment processes and the ISM 16:20 Haberzettl The chemical composition of Low Surface Brightness (LSB) galaxies 16:50 Moretti The dwarf contribution on the chemical enrichment of the ICM 17:20 Stil What is the role of infall? 17:50 Smecker-Hane Summary and discussion 18:30 DINNER ------------------------------------------------------------------------------- WEDNESDAY, July 31, 2002 VI. Global ISM abundance patterns CHAIR: Madden 9:00 Pilyugin The oxygen and nitrogen abundances in irregular galaxies 9:30 Pustilnik/ Group properties of gas-rich dwarf galaxies with the Kniazev lowest metallicities and implications for chemical evolution 10:00 van Zee Chemical Enrichment of Isolated Dwarf Irregular Galaxies 10:30-11:00 BREAK 11:00 Kong Spectroscopic study of blue compact galaxies 11:30 Vanzi The Infra-Red Properties of Blue Dwarf Galaxies 12:00 van Zee Summary and Discussion 12:30-13:30 LUNCH FREE AFTERNOON We're offering an outing to the nearby Wallberg: Bus pick-up at 14:00 at Ringberg to Wallberg Wallberg: Hike up or take the cable car Last cable car down: 17:00 Bus pick-up at 17:30 at Wallberg to a traditional Bavarian beer garden Return to Ringberg at ~ 19:00 We provide the bus for free. ------------------------------------------------------------------------------ THURSDAY, August 1, 2002 VII. Abundance gradients in dwarf galaxies CHAIR: Venn 9:00 Skillman The (In)Homogeneity of ISM Abundances in Dwarf Galaxies 9:30 Walter X-ray observations of dwarf galaxies 10:00 de Rijke The warm ISM of FCC046 and FCC207 10:30-11:00 BREAK 11:00 Cole Abundance patterns in the Large Magellanic Cloud 11:30 Hill Chemical Evolution in the Magellanic Clouds 12:00 Harbeck Chemical inhomogeneities in old populations 12:30-14:20 LUNCH VIII. Environmental effects CHAIR: Cote 14:20 Conselice The Evolution of Cluster Dwarfs 14:50 Lee The Current "Health" of Dwarf Irregulars in the Virgo Cluster 15:20 Gallagher Trigger mechanisms 15:50-16:20 BREAK 16:20 Duc Abundances in tidal dwarf galaxies 16:50 Mayer Morphology of dwarf galaxies as a product of environment 17:20 Chiosi Environmental effects on the metallicity evolution of dwarf galaxies 17:50 Chiosi Summary and discussion 18:30 DINNER ------------------------------------------------------------------------------ FRIDAY, August 2, 2002 [Please vacate your rooms before 9:00 a.m.] IX. Prospects from New Models CHAIR: Gallagher 9:00 Noguchi Star Formation Thresholds in Dwarf Galaxies 9:30 Recchi Dynamical and Chemical Evolution Blue Compact Dwarf Galaxies 10:00 Tantalo Enhancement of alpha-elements in dynamical models of ellipticals 10:30-11:00 BREAK 11:00 Hirashita Mass - Luminosity - Abundance Relation of Dwarf Spheroidals 11:30 Hensler Discussion 12:00 Skillman Summary 12:30 LUNCH 13:45 END and departure. ------------------------------------------------------------------------------ POSTER presentations: Bosler Chemical Abundances in the Stellar Populations of the Leo I and Leo II dSph Galaxies Finoguenov XMM Survey of the Coma cluster Harbeck CN Variations on the Lower Main Sequence of 47 Tuc Lee H II Region Spectroscopy of Nearby Southern Dwarf Galaxies Zucker TBD ------------------------------------------------------------------------------