Journal
ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES
Volume 234, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.3847/1538-4365/aaa24c
Keywords
dust, extinction; galaxies: formation; infrared: ISM; methods: numerical; radiative transfer
Categories
Funding
- BIS [ST/K00042X/1]
- STFC [ST/H008519/1, ST/K00087X/1]
- STFC DiRAC [ST/K003267/1]
- Durham University
- Netherlands Organization for Scientific Research (NWO) through VICI [639.043.409]
- Science and Technology Facilities Council [ST/K00042X/1, ST/I00162X/1, ST/P002293/1, ST/R000832/1, ST/P000541/1, ST/M007006/1, ST/H008519/1] Funding Source: researchfish
- STFC [ST/M007006/1, ST/R000832/1, ST/I00162X/1, ST/K00042X/1, ST/P002293/1, ST/P000541/1] Funding Source: UKRI
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We present dust-attenuated and dust emission fluxes for sufficiently resolved galaxies in the EAGLE suite of cosmological hydrodynamical simulations, calculated with the SKIRT radiative transfer code. The post-processing procedure includes specific components for star formation regions, stellar sources, and diffuse dust and takes into account stochastic heating of dust grains to obtain realistic broadband fluxes in the wavelength range from ultraviolet to submillimeter. The mock survey includes nearly half a million simulated galaxies with stellar masses above 10(8.5) M-circle dot across six EAGLE models. About two-thirds of these galaxies, residing in 23 redshift bins up to z = 6, have a sufficiently resolved metallic gas distribution to derive meaningful dust attenuation and emission, with the important caveat that the same dust properties were used at all redshifts. These newly released data complement the already publicly available information about the EAGLE galaxies, which includes intrinsic properties derived by aggregating the properties of the smoothed particles representing matter in the simulation. We further provide an open-source framework of Python procedures for post-processing simulated galaxies with the radiative transfer code SKIRT. The framework allows any third party to calculate synthetic images, spectral energy distributions, and broadband fluxes for EAGLE galaxies, taking into account the effects of dust attenuation and emission.
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