Results 41 to 50 of about 14,388 (158)
The Lyα Dependence on Nebular Properties from the HETDEX and MOSDEF Surveys
The Astrophysical JournalInvestigating the impact of galaxy properties on emergent Ly α emission is crucial for reionization studies, given the sensitivity of Ly α to neutral hydrogen.
Óscar A. Chávez Ortiz +16 more
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An Hα Impression of Lyα Galaxies at z ≃ 6 with Deep JWST/NIRCam Imaging
The Astrophysical Journal Letters, 2023 We present a study of seven spectroscopically confirmed (Ly α -emitting) galaxies at redshift z ≃ 6 using the JWST/NIRCam imaging data. These galaxies, with a wide range of Ly α luminosities, were recently observed in a series of NIRCam broad and medium ...
Yuanhang Ning +5 more
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Do galaxies that leak ionizing photons have extreme outflows?
, 2017 To reionize the early universe, high-energy photons must escape the galaxies that produce them. It has been suggested that stellar feedback drives galactic outflows out of star-forming regions, creating low density channels through which ionizing photons
Chisholm, J. +7 more
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MAMMOTH-Subaru. III. Lyα Halo Identified by Stacking ∼3300 Lyα Emitters at z = 2.2–2.3
The Astrophysical JournalIn this paper, we present a Ly α halo (LAH) identified by stacking ∼3300 Ly α emitters (LAEs) at z = 2.2–2.3. We carry out imaging observations and data reduction with Subaru/Hyper Suprime-Cam.
Haibin Zhang +10 more
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Galaxies Inside Stromgren Spheres of Luminous Quasars at z>6: Detection of The First Galaxies
, 2003 The intrinsic Lyman-alpha emission lines of normal galaxies before reionization are much absorbed by the damping wing of the Gunn-Peterson trough, rendering their direct detection nearly impossible, if their intrinsic line widths are less than ~100km/s ...
Antonucci R. R. J. +2 more
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A NOEMA pilot survey of [C II] line emission in luminous galaxies at z ≈ 6
Astronomy & AstrophysicsWe present Northern Extended Millimeter Array (NOEMA) observations of four luminous galaxies at z ∼ 6, when the Universe was less than ∼1 Gyr old. These galaxies are detected in the [C II] 158 μm fine-structure line, and three also exhibit underlying ...
Martínez-Cuadra B. +11 more
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The Astrophysical Journal Letters, 2023 We develop a new method to determine the distance between a high-redshift galaxy and a foreground screen of atomic hydrogen. In a partially neutral universe, and assuming spherical symmetry, this equates to the radius of an ionized “bubble” ( R _B ...
Matthew J. Hayes, Claudia Scarlata
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Recent Advances in Cosmological Hydrogen Reionization
, 2012 I discuss recent advances in the study of hydrogen reionization, focusing on progress that was achieved during the years 2010-2011. First, I discuss recent measurements of the progress of reionization.
Finlator, Kristian
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A Survey of Lyα Emission around Damped Lyα Absorbers at z ≈ 2 with the Keck Cosmic Web Imager
The Astrophysical JournalWe present Keck Cosmic Web Imager Ly α integral field spectroscopy of the fields surrounding 14 damped Ly α absorbers (DLAs) at z ≈ 2. Of these 14 DLAs, nine have high metallicities ([M/H] > − 0.3), and four of those nine feature a CO-emitting galaxy at ...
Grecco A. Oyarzún +5 more
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SIMPLE: Simple Intensity Map Producer for Line Emission
The Astrophysical Journal, 2023 We present the Simple Intensity Map Producer for Line Emission ( Simple ), a public code for quickly simulating mock line-intensity maps, and an analytical framework for modeling intensity maps including observational effects.
Maja Lujan Niemeyer +2 more
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