PIRSA:23100108 Scientific Series Cosmology

DOI10.48660/23100108

Series: Cosmology and Gravitation

Munshi, F. (2023). Understanding Dwarf Galaxy Evolution to understand Dark Matter. Perimeter Institute. https://pirsa.org/23100108

Munshi, Ferah. Understanding Dwarf Galaxy Evolution to understand Dark Matter. Perimeter Institute, Oct. 24, 2023, https://pirsa.org/23100108 

@misc{ pirsa_PIRSA:23100108,
  doi = {10.48660/23100108},
  url = {https://pirsa.org/23100108},
  author = {Munshi, Ferah},
  keywords = {Cosmology},
  language = {en},
  title = {Understanding Dwarf Galaxy Evolution to understand Dark Matter},
  publisher = {Perimeter Institute},
  year = {2023},
  month = {oct},
  note = {PIRSA:23100108 see, \url{https://pirsa.org}}
}

Abstract

Low mass galaxies challenge our picture of galaxy formation and are an intriguing laboratory for the study of star formation, feedback and dark matter physics. I will present results from high resolution, cosmological simulations that contain many (isolated) dwarf galaxies [the MARVEL dwarfs] as well as satellite dwarf galaxies [the DC Justice League]. Together, they create the largest collection of high-resolution simulated dwarf galaxies to date and the first flagship suite to resolve ultra-faint dwarf galaxies in multiple environments. This sample spans a wide range of physical (stellar and halo mass), and evolutionary properties (merger history). I will present results and predictions constraining star formation, feedback and dark matter physics soon testable by telescopes like JWST, Rubin's LSST and the Roman Space Telescope. Finally, I will present new work on measuring galaxy shapes and the diversity of rotation curves in the dwarf galaxy mass regime which may be used to distinguish dark matter model.

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Zoom link: https://pitp.zoom.us/j/99038411436?pwd=OFd1SEdUUXJkd0NLeWtrTUxGR0FCUT09

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