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Inferring the Thermal History of the Intergalactic Medium from the Properties of the Hydrogen and Helium Lyman-alpha Forest
Bruno Villasenor, Brant Robertson, Piero Madau +1
The filamentary network of intergalactic medium (IGM) gas that gives origin to the Lyman-alpha forest in the spectra of distant quasars encodes information on the physics of struct…
Galaxy Formation and Reionization: Key Unknowns and Expected Breakthroughs by the James Webb Space Telescope
Brant E. Robertson
The scheduled launch of James Webb Space Telescope (JWST) in late 2021 marks a new start for studies of galaxy formation at high redshift z>~6 during the era of Cosmic Reionization…
Deep Realistic Extragalactic Model (DREaM) Galaxy Catalogs: Predictions for a Roman Ultra-Deep Field
Nicole E. Drakos, Bruno Villasenor, Brant E. Robertson +9
In the next decade, deep galaxy surveys from telescopes such as the James Webb Space Telescope and Roman Space Telescope will provide transformational data sets that will greatly e…
The Detection of Ionized Carbon Emission at z~8
Michael W. Topping, Alice E. Shapley, Daniel P. Stark +5
We present deep Keck/MOSFIRE -band spectroscopic observations covering the [CIII],CIII] doublet for three galaxy candidates in the AEGIS field. Along…
Discovering Supernovae at Epoch of Reionization with Nancy Grace Roman Space Telescope
Takashi J. Moriya, Robert M. Quimby, Brant E. Robertson
Massive stars play critical roles for the reionization of the Universe. Individual massive stars at the reionization epoch (z > 6) are too faint to observe and quantify their contr…
Probing Cosmic Dawn : Ages and Star Formation Histories of Candidate 9 Galaxies
N. Laporte, R. A. Meyer, R. S. Ellis +3
We discuss the spectral energy distributions and physical properties of six galaxies whose photometric redshifts suggest they lie beyond a redshift 9. Each was selected on…