Discovery and properties of ultra-high redshift galaxies (9 < z < 12) in the JWST ERO SMACS 0723 Field [PDF]
Monthly notices of the Royal Astronomical Society, 2022 We present a reduction and analysis of the James Webb Space Telescope (JWST) SMACS 0723 field using new post-launch calibrations to conduct a search for ultra-high-redshift galaxies (z > 9) present within the Epoch of Reionisation.
N. Adams +10 more
semanticscholar +1 more source
Dusty Starbursts Masquerading as Ultra-high Redshift Galaxies in JWST CEERS Observations [PDF]
Astrophysical Journal Letters, 2022 Lyman-break galaxy (LBG) candidates at z ≳ 10 are rapidly being identified in James Webb Space Telescope (JWST)/NIRCam observations. Due to the (redshifted) break produced by neutral hydrogen absorption of rest-frame UV photons, these sources are ...
J. Zavala +123 more
semanticscholar +1 more source
Templates for Fitting Photometry of Ultra-high-redshift Galaxies [PDF]
Astrophysical Journal Letters, 2022 Recent data from the James Webb Space Telescope allow a first glimpse of galaxies at z ≳ 11. The most successful tool for identifying ultra-high-redshift candidates and inferring their properties is photometric template fitting.
C. Steinhardt +4 more
semanticscholar +1 more source
Finding High-redshift Galaxies with JWST [PDF]
Astrophysical Journal, 2021 One of the primary goals for the upcoming James Webb Space Telescope is to observe the first galaxies. Predictions for planned and proposed surveys have typically focused on average galaxy counts, assuming a random distribution of galaxies across the ...
C. Steinhardt +2 more
semanticscholar +1 more source
Fluctuating feedback-regulated escape fraction of ionizing radiation in low-mass, high-redshift galaxies [PDF]
, 2017 Low mass galaxies are thought to provide the bulk of the ionizing radiation necessary to reionize the Universe. The amount of photons escaping the galaxies is poorly constrained theoretically, and difficult to measure observationally.
Maxime Trebitsch +4 more
openalex +3 more sources
Simulating JWST/NIRCam Color Selection of High-redshift Galaxies [PDF]
Astrophysical Journal, 2020 The Near Infrared Camera (NIRCam) instrument on the upcoming James Webb Space Telescope will offer an unprecedented view of the most distant galaxies.
K. Hainline +14 more
semanticscholar +1 more source
HIGH-REDSHIFT GALAXIES IN THE HUBBLE DEEP FIELD : COLOUR SELECTION AND STAR FORMATION HISTORY TO Z 4 [PDF]
, 1996 The Lyman decrement associated with the cumulative effect of H I in QSO absorption systems along the line of sight provides a distinctive feature for identifying galaxies at z ≳ 2.5.
P. Madau +5 more
semanticscholar +1 more source
On the dust temperatures of high-redshift galaxies [PDF]
Monthly notices of the Royal Astronomical Society, 2019 Dust temperature is an important property of the interstellar medium (ISM) of galaxies. It is required when converting (sub)millimetre broad-band flux to total infrared luminosity (LIR), and hence star formation rate, in high-redshift galaxies. However,
Lichen Liang +9 more
semanticscholar +1 more source
“Direct” Gas-phase Metallicity in Local Analogs of High-redshift Galaxies: Empirical Metallicity Calibrations for High-redshift Star-forming Galaxies [PDF]
Astrophysical Journal, 2018 We study the direct gas-phase oxygen abundance using the well-detected auroral line [O iii]λ4363 in the stacked spectra of a sample of local analogs of high-redshift galaxies.
F. Bian, L. Kewley, M. Dopita
semanticscholar +1 more source
A fundamental relation between mass, SFR and metallicity in local and high redshift galaxies [PDF]
, 2010 We show that the mass-metallicity relation observed in the local universe is due to a more general relation between stellar mass M*, gas-phase metallicity and SFR.
F. Mannucci +4 more
semanticscholar +1 more source