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Spatially Resolved Stellar Populations of z ~ 4 - 6 Lyman-alpha-emitting Galaxies with CEERS JWST NIRCam Imaging

ORAL

Abstract

We perform a spatially-resolved stellar population study of Lyman-alpha emitters (LAEs) at z ~ 4 - 6 in the Cosmic Evolution Early Release Science Survey (CEERS) field, that have been spectroscopically confirmed through ground-based observations. We use publicly available, deep, high spatial-resolution imaging data from the JWST NIRCam and HST observations to conduct spatially-resolved spectral energy distribution (SED) modeling. We analyze the radial variations of galaxy properties through our spatially-resolved SED fitting to address key questions: when/where these galaxies form stars actively, and what physical mechanisms regulate star formation. Finally, we learn about the enhanced star-formation rates near the galactic centers and examine trends in stellar mass surface density, stellar metallicity, dust attenuation, and mass-weighted age.

Presenters

  • Turaba Rahman

    Kent State University

Authors

  • Turaba Rahman

    Kent State University

  • Intae Jung

    Space Telescope Science Institute

  • Henry C Ferguson

    Space Telescope Science Institute

  • Abdurr'ouf Abdurr'ouf

    Johns Hopkins University