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    Photometric properties of reionization-epoch galaxies in the SIMBA simulations

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    staa1044.pdf (2.884Mb)
    Date
    2020
    Author
    Dave, Romeel
    Wu, Xiaohan
    Tacchella, Sandro
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    Abstract
    We study the photometric properties and sizes of the reionization-epoch galaxies in high-resolution SIMBA cosmological hydrodynamical simulations with box sizes of [25,50]h−1Mpc⁠. Assuming various attenuation laws, we compute photometry by extincting each star particle’s spectrum using the line-of-sight gas metal column density. The predicted ultraviolet luminosity function (UVLF) generally agrees with observations at z = 6, owing to a partial cancellation between the high metallicities of the simulated galaxies and lower dust-to-metal ratios.
    URI
    https://doi.org/10.1093/mnras/staa1044
    http://hdl.handle.net/10566/5865
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    • Research Articles (Physics)

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