143 citations · 1.2k across the 35 of their papers we have counts for
35 papers
COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster
Erik Solhaug, Michael D. Gladders, Andi M. Kisare +20
Wide-separation lensed quasars (WSLQs) are rare systems that arise from the chance alignment of two objects: a galaxy cluster and a background quasar. After two decades, only seven…
Lyman Continuum escaping from in-situ formed stars in a tidal bridge at z = 3
T. E. Rivera-Thorsen, A. Le Reste, M. J. Hayes +11
We present an analysis of archival JWST NIRSpec IFS and HST imaging observations of the z = 3 Lyman-Continuum Emitter (LCE) candidate LACES104037. We show that a nearby galaxy, den…
JWST & the Waz Arc I: Spatially Resolving the Physical Conditions within a Post-Starburst Galaxy at Redshift 5 with NIRSpec IFS
Taylor A. Hutchison, Gourav Khullar, Jane R. Rigby +22
We present NIRSpec/IFS observations of a rest-frame UV-bright, massive ( M, ) galaxy highly magnified by gravitational-lensing observed just…
The Sunburst Arc with JWST. IV. The importance of interaction, turbulence, and feedback for Lyman-continuum escape
T. Emil Rivera-Thorsen, Brian Welch, Taylor Hutchison +13
At present, the best opportunity for detailed Lyman Continuum escape studies is in gravitationally lensed galaxies at z >~ 2. Only one such galaxy currently exists in the literatur…
Intergalactic Medium Tomography with the Sunburst Arc
Michelle A. Berg, John Chisholm, J. Xavier Prochaska +9
Gravitational lensing has transformed the field of gas tomography in the intergalactic medium (IGM) and circumgalactic medium (CGM). Here we use the brightest lensed galaxy identif…
The Lyman Alpha Reference Sample. XVI. Global 21cm HI properties of Lyman- emitting galaxies
A. Le Reste, M. J. Hayes, J. M. Cannon +9
The Lyman- (Lya) line of hydrogen is a well-known tracer of galaxies at high-z. However, the connection between Lya observables and galaxy properties has not fully been establis…
Connecting Lyman- and ionizing photon escape in the Sunburst Arc
M. Riley Owens, Keunho J. Kim, Matthew B. Bayliss +17
We investigate the Lyman- (Ly) and Lyman continuum (LyC) properties of the Sunburst Arc, a gravitationally lensed galaxy with a multiply-imaged, compact region leaki…
The Sunburst Arc with JWST: II. Observations of an Eta Carinae Analog at
S. Choe, T. Emil Rivera-Thorsen, H. Dahle +11
"Godzilla" is a peculiar object within the gravitationally lensed Sunburst Arc at . Despite being very bright, it appears in only one of the twelve lensed images of the sou…
The Sunburst Arc with JWST: III. An Abundance of Direct Chemical Abundances
Brian Welch, T. Emil Rivera-Thorsen, Jane Rigby +11
We measure the gas-phase abundances of the elements He, N, O, Ne, S, Ar, and Fe in an individual H\textsc{ii} region known to be leaking Lyman-continuum photons in the Sunburst Arc…
The Sunburst Arc with JWST: I. Detection of Wolf-Rayet stars injecting nitrogen into a low-metallicity, proto-globular cluster leaking ionizing photons
T. Emil Rivera-Thorsen, J. Chisholm, B. Welch +13
We report the detection of a population of Wolf-Rayet (WR) stars in the Sunburst Arc, a strongly gravitationally lensed galaxy at redshift . As the brightest known lensed g…
Haro 11: The Spatially Resolved Lyman Continuum Sources
Lena Komarova, M. S. Oey, Svea Hernandez +13
As the nearest confirmed Lyman continuum (LyC) emitter, Haro 11 is an exceptional laboratory for studying LyC escape processes crucial to cosmic reionization. Our new HST/COS G130M…
CLusters in the Uv as EngineS (CLUES). II. Sub-kpc scale outflows driven by stellar feedback
Mattia Sirressi, Angela Adamo, Matthew Hayes +17
We analyze the far-ultraviolet spectroscopy of 20 young and massive star clusters (YSCs) in 11 nearby star-forming galaxies. We probe the interstellar gas intervening along the lin…
Small Region, Big Impact: Highly Anisotropic Lyman-continuum Escape from a Compact Starburst Region with Extreme Physical Properties
Keunho J. Kim, Matthew B. Bayliss, Jane R. Rigby +13
Extreme, young stellar populations are considered the primary contributor to cosmic re-ionization. How Lyman-continuum (LyC) escapes these galaxies remains highly elusive, and it i…
The Lyman Reference Sample XIV: Lyman imaging of 45 low redshift star-forming galaxies and inferences on global emission
Jens Melinder, Göran Östlin, Matthew Hayes +18
We present Ly imaging of 45 low redshift star-forming galaxies observed with the Hubble Space Telescope. The galaxies have been selected to have moderate to high star formation…
Spectral Shapes of the Lya Emission from Galaxies. II. the influence of stellar properties and nebular conditions on the emergent Lya profiles
Matthew J. Hayes, Axel Runnholm, Claudia Scarlata +2
We demonstrate how the stellar and nebular conditions in star-forming galaxies modulate the emission and spectral profile of HI Lya emission line. We examine the net Lya output, ki…
The connection between galactic outflows and the escape of ionizing photons
Ramesh Mainali, Jane R. Rigby, John Chisholm +13
We analyze spectra of a gravitationally lensed galaxy, known as the Sunburst Arc, that is leaking ionizing photons, also known as the Lyman continuum (LyC). Magnification from grav…
The Cosmic Telescope that Lenses the Sunburst Arc, PSZ1 G311.65-18.48: Strong Gravitational Lensing model and Source Plane Analysis
Keren Sharon, Guillaume Mahler, T. Emil Rivera-Thorsen +12
We present a strong lensing analysis of the cluster PSZ1 G311.65-18.48, based on Hubble Space Telescope imaging, archival VLT/MUSE spectroscopy, and Chandra X-ray data. This cool-c…
The Lyman Alpha Reference Sample XIII: High-Angular Resolution 21cm HI observations of Ly emitting galaxies
A. Le Reste, M. Hayes, J. M. Cannon +8
The Ly emission line is one of the main observables of galaxies at high redshift, but its output depends strongly on the neutral gas distribution and kinematics around the star-…
A bottom-up search for Lyman-continuum leakage in the Hubble Ultra Deep Field
T. Emil Rivera-Thorsen, Matthew Hayes, Jens Melinder
Context: Studies of the production and escape of Lyman Continuum from galaxies often rely on array of indirect observational tracers in preselection of candidate leakers. Aims: Her…
Ionized gas properties of the extreme starburst galaxy Haro 11. Temperature and metal abundance discrepancies
V. Menacho, G. Östlin A. Bik, A. Adamo +5
We use high quality VLT/MUSE data to study the kinematics and the ionized gas properties of Haro 11, a well known starburst merger system and the closest confirmed Lyman continuum…
The source of leaking ionizing photons from Haro11 -- Clues from HST/COS spectroscopy of knots A, B and C
Göran Östlin, T. Emil Rivera-Thorsen, Veronica Menacho +15
Understanding the escape of ionizing (Lyman continuum) photons from galaxies is vital for determining how galaxies contributed to reionization in the early universe. While directly…
The production and escape of ionizing photons from galaxies over cosmic time (Astro2020 Science White Paper)
Jane R. Rigby, Danielle Berg, Rongmon Bordoloi +10
The ionizing photons produced by massive stars are key actors in galaxy evolution. Ionizing photon production and escape is poorly understood. Improved space-based, spatially-resol…
Gravitational lensing reveals ionizing ultraviolet photons escaping from a distant galaxy
T. Emil Rivera-Thorsen, Håkon Dahle, John Chisholm +7
During the epoch of reionisation, neutral gas in the early Universe was ionized by hard ultraviolet radiation emitted by young stars in the first galaxies. To do so, ionizing ultra…
The Sunburst Arc: Direct Lyman α escape observed in the brightest known lensed galaxy
T. Emil Rivera-Thorsen, Håkon Dahle, Max Gronke +6
We present rest-frame ultraviolet and optical spectroscopy of the brightest lensed galaxy yet discovered, at redshift z = 2.4. This source reveals a characteristic, triple-peaked L…