activity
20182026
most citedImproved upper limits on the 21-cm signal power spectrum of neutral hydrogen at from LOFAR

311 citations · 1k across the 28 of their papers we have counts for

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Showing 2024Show all

9 papers · 1 filter

astro-ph.GA2024★ 5 cited

A Simulated Galaxy Laboratory: Exploring the Observational Effects on UV Spectral Absorption Line Measurements

R. Michael Jennings, Alaina Henry, Valentin Mauerhofer +13

Ultraviolet absorption line spectroscopy is a sensitive diagnostic for the properties of interstellar and circumgalactic gas. Down-the-barrel observations, where the absorption is…

astro-ph.GA2024★ 1 cited

A negligible contribution of two luminous ~ 7.5 galaxies to the ionizing photon budget of reionization

S. Gazagnes, J. Chisholm, R. Endsley +12

We present indirect constraints on the absolute escape fraction of ionizing photons () of the system GN 42912 which comprises two luminous galaxies ($M_{\rm…

astro-ph.GA2024

CLASSY XI: Tracing Neutral Gas Properties using UV Absorption Lines and 21-cm Observations

Kaelee S. Parker, Danielle A. Berg, Simon Gazagnes +15

Rest-frame far-ultraviolet (FUV) observations from JWST are revolutionizing our understanding of the high-z galaxies that drove reionization and the mechanisms by which they accomp…

astro-ph.GA2024

CLASSY X: Highlighting Differences Between Partial Covering and Semi-Analytic Modeling in the Estimate of Galactic Outflow Properties

M. Huberty, C. Carr, C. Scarlata +17

Feedback driven massive outflows play a crucial role in galaxy evolution by regulating star formation and influencing the dynamics of surrounding media. Extracting outflow properti…

astro-ph.GA2024

CHAOS VIII: Far-Ultraviolet Spectra of M101 and The Impact of Wolf-Rayet Stars

Danielle A. Berg, Evan D. Skillman, John Chisholm +8

We investigate the stellar and nebular properties of 9 H II regions in the spiral galaxy M101 with far-ultraviolet (FUV; ~900-2000 Å) and optical (~3200-10000 Å) spectra. We detect…

astro-ph.GA2024

Comparing the VANDELS sample to a zoom-in Radiative Hydrodynamical Simulation: using the Si II and C II line spectra as tracers of galaxy evolution and Lyman Continuum leakage

Simon Gazagnes, Fergus Cullen, Valentin Mauerhofer +8

We compare mock ultraviolet C II and Si II absorption and emission line features generated using a ~10 virtual galaxy with observations of 131 galaxies from the…

astro-ph.GA2024

[Ne v] emission from a faint epoch of reionization-era galaxy: evidence for a narrow-line intermediate mass black hole

J. Chisholm, D. A. Berg, R. Endsley +16

Here we present high spectral resolution NIRSpec observations of GN42437, a low-mass (log(M), compact (pc), extreme starburst galaxy…

astro-ph.GA2024★ 15 cited

Linking Mg II and [O II] spatial distribution to ionizing photon escape in confirmed LyC leakers and non-leakers

Floriane Leclercq, John Chisholm, Wichahpi King +29

The geometry of the neutral gas in and around galaxies is a key regulator of the escape of ionizing photons. We present the first statistical study aiming at linking the neutral an…

astro-ph.GA2024

Absorption Troughs of Lyman Alpha Emitters in HETDEX

Laurel H. Weiss, Dustin Davis, Karl Gebhardt +21

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is designed to detect and measure the redshifts of more than one million Ly emitting galaxies (LAEs) between $1.88 < z…