FC-ENZO predicts UCD contamination in photometric high-z samples; T/early-Y dwarfs dominate at z~8, rates rise with metallicity and depend strongly on SED library and Galactic density model.
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JWST spectra of galaxies reveal a ~110 cMpc ionized bubble at z~6 with IGM transmission 0.17, an order of magnitude above average, linked to a galaxy overdensity.
COLIBRE simulations underpredict bright-end UV galaxy luminosities by 1 to 2.5 magnitudes at z=7-15 compared with observations, with the discrepancy persisting after dust attenuation and uncertainty accounting.
citing papers explorer
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Assessing Ultra-Cool Dwarf Contamination in Photometrically Selected High-Redshift Galaxy Samples
FC-ENZO predicts UCD contamination in photometric high-z samples; T/early-Y dwarfs dominate at z~8, rates rise with metallicity and depend strongly on SED library and Galactic density model.
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Using Ly$\alpha$ Transmitted Spectrum to Probe IGM Transmission and Identify Ionized Structures in Cosmic Reionization
JWST spectra of galaxies reveal a ~110 cMpc ionized bubble at z~6 with IGM transmission 0.17, an order of magnitude above average, linked to a galaxy overdensity.
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The galaxy ultraviolet luminosity function from $z=7$ to $15$ in the COLIBRE simulations
COLIBRE simulations underpredict bright-end UV galaxy luminosities by 1 to 2.5 magnitudes at z=7-15 compared with observations, with the discrepancy persisting after dust attenuation and uncertainty accounting.