Symposium S8  23-24 June 2025

Cosmic Chemical Enrichment: A tale of stars and galaxies

Aims and scope

The origin and build-up of chemical elements in the Universe is one of the most fundamental questions in modern astrophysics. Addressing this question requires the modelling of physics from the smallest scales of nucleosynthesis in stars to some of the largest scales of galaxy-scale dynamics and outflows. Thus, progress requires constraints from cutting-edge observational facilities to be met with the latest theoretical modelling across many different fields within astrophysics. The advent of JWST has revolutionised our ability to constrain galactic chemical evolution (GCE) across cosmic history. The powerful synergy between JWST, present datasets (e.g. Gaia, SDSS, APOGEE, HERMES-GALAH), and forthcoming surveys (e.g. WEAVE, 4MOST, MOONS, PFS, and ERIS), requires detailed modelling of many physical processes including nuclear and atomic physics, the evolution of isolated and interacting stars, nucleosynthesis (hydrostatic and explosive nucleosynthesis), chemistry (formation and destruction of molecules and dust), and galaxy formation and evolution. The chemical evolution of the Universe encodes the imprint of all of these important processes. The key goal of this Symposium is to bring together researchers from different fields who study the various astronomical objects that have shaped the chemical evolution of the Universe, bridging different physical and temporal scales. These include stars, supernova yields, gas inside, around, and between galaxies, and up to the most distant galaxies currently discovered. This conference will represent a timely opportunity to discuss the results in these areas from the current observational surveys, to prepare for the forthcoming ones, as well as present the latest relevant theoretical work. Bringing the European community together and interfacing between each of these sub-fields is relevant to most effectively leverage synergies between all these surveys, many of which are European lead.

Programme

  1. Stellar evolution and nucleosynthesis
  2. The Local Group: stars, gas, and dust
  3. Spatially resolved stellar populations and ISM
  4. Circum- and intergalactic medium
  5. Cosmic Evolution of metals and dust
  6. The first stars and the first galaxies

Invited speakers

  1. Stellar evolution and nucleosynthesis: Marco Limongi
  2. The Local Group: Cristina Chiappini
  3. Spatially resolved stellar populations and ISM: Ignacio Martin-Navarro
  4. Circum- and intergalactic medium: Celine Peroux
  5. Cosmic Evolution of metals and dust: Irene Shivaei
  6. The first stars and the first galaxies: Stefania Salvadori

Scientific organisers

  • Federico Sestito, University of Hertfordshire, UK - Chair
  • Alex Cameron, University of Oxford, UK - Co-chair
  • Mirko Curti, ESO, Germany - Co-chair
  • Chiaki Kobayashi, University of Hertfordshire, UK - Co-chair
  • Annalisa De Cia, ESO Garching, Germany
  • Vanessa Hill, Observatoire de la Côte d'Azur, France
  • Mariska Kriek, Leiden Observatory, The Netherlands
  • Maria Lugaro, Konkoly Observatory, Hungary
  • Donatella Romano, INAF Bologna, Italy

Contact

Federico Sestito: f.sestito @ herts.ac.uk

Updated on Fri Feb 21 14:50:58 CET 2025