199 citations · 3.7k across the 72 of their papers we have counts for
68 papers · 1 filter
Ubiquitous broad-line emission and the relation between ionized gas outflows and Lyman continuum escape in Green Pea galaxies
R. O. Amorín, M. Rodríguez-Henríquez, V. Fernández +29
We report observational evidence of highly turbulent ionized gas kinematics in a sample of 20 Lyman continuum (LyC) emitters (LCEs) at low redshift (). Detailed Gaussian…
JWST Observations of Starbursts: Polycyclic Aromatic Hydrocarbon Emission at the Base of the M 82 Galactic Wind
Alberto D. Bolatto, Rebecca C. Levy, Elizabeth Tarantino +37
We present new observations of the central 1 kpc of the M 82 starburst obtained with the James Webb Space Telescope (JWST) near-infrared camera (NIRCam) instrument at a resolution…
Merger Interactions Enhance Star Formation Rates in Galaxy Group Housing QSO PKS0405123 and Gaseous Nebulae
Ian E. Wolter, Michelle A. Berg, John Chisholm
The star formation rate (SFR) of galaxies can change due to interactions between galaxies, stellar feedback ejection of gas into the circumgalactic medium, and energy injection fro…
An emission map of the disk-circumgalactic medium transition in starburst IRAS 08339+6517
Nikole M. Nielsen, Deanne B. Fisher, Glenn G. Kacprzak +5
Most of a galaxy's mass is located out to hundreds of kiloparsecs beyond its stellar component. This diffuse reservoir of gas, the circumgalactic medium (CGM), acts as the interfac…
DUVET Survey: Mapping Outflows in the Metal-Poor Starburst Mrk 1486
Daniel K. McPherson, Deanne B. Fisher, Nikole M. Nielsen +11
We present a method to characterize star-formation driven outflows from edge-on galaxies and apply this method to the metal-poor starburst galaxy, Mrk 1486. Our method uses the dis…
CLASSY VII Lyα Profiles: The Structure and Kinematics of Neutral Gas and Implications for LyC Escape in Reionization-Era Analogs
Weida Hu, Crystal L. Martin, Max Gronke +22
Lyman-alpha line profiles are a powerful probe of ISM structure, outflow speed, and Lyman continuum escape fraction. In this paper, we present the Ly line profiles of the COS Le…
HETDEX Public Source Catalog 1 -- Stacking 50K Lyman Alpha Emitters
Dustin Davis, Karl Gebhardt, Erin Mentuch Cooper +25
We describe the ensemble properties of the Lyman Alpha Emitters (LAEs) found in the HETDEX survey's first public data release, HETDEX Public Source Catalog 1 (Mentu…
CLASSY VIII: Exploring the Source of Ionization with UV ISM diagnostics in local High- Analogs
Matilde Mingozzi, Bethan L. James, Danielle A. Berg +27
In the current JWST era, rest-frame UV spectra play a crucial role in enhancing our understanding of the interstellar medium (ISM) and stellar properties of the first galaxies in t…
Dissecting a 30 kpc galactic outflow at 1.7
Ahmed Shaban, Rongmon Bordoloi, John Chisholm +10
We present the spatially resolved measurements of a cool galactic outflow in the gravitationally lensed galaxy RCS0327 at using VLT/MUSE IFU observations. We prob…
Little Red Dots: an abundant population of faint AGN at z~5 revealed by the EIGER and FRESCO JWST surveys
Jorryt Matthee, Rohan P. Naidu, Gabriel Brammer +25
Characterising the prevalence and properties of faint active galactic nuclei (AGN) in the early Universe is key for understanding the formation of supermassive black holes (SMBHs)…
Interpreting the Si II and C II line spectra from the COS Legacy Spectroscopic SurveY using a virtual galaxy from a high-resolution radiation-hydrodynamic simulation
Simon Gazagnes, Valentin Mauerhofer, Danielle A. Berg +19
Observations of low-ionization state (LIS) metal lines provide crucial insights into the interstellar medium of galaxies, yet, disentangling the physical processes responsible for…
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…
Abundances of CNO elements in z ~ 0.3-0.4 LyC leaking galaxies
Y. I. Izotov, D. Schaerer, G. Worseck +4
We present observations with the Space Telescope Imaging Spectrograph (STIS) onboard the Hubble Space Telescope of eleven Lyman continuum (LyC) leaking galaxies at redshifts, z, in…
The JWST FRESCO Survey: Legacy NIRCam/Grism Spectroscopy and Imaging in the two GOODS Fields
P. A. Oesch, G. Brammer, R. P. Naidu +38
We present the JWST Cycle 1 53.8hr medium program FRESCO, short for "First Reionization Epoch Spectroscopically Complete Observations". FRESCO covers 62 arcmin in each of the t…
CLASSY VI: Density, Structure and Size of Galactic Outflows
Xinfeng Xu, Timothy Heckman, Alaina Henry +12
Galaxy formation and evolution are regulated by the feedback from galactic winds. Absorption lines provide the most widely available probe of winds. However, since most data only p…
The Low-Redshift Lyman Continuum Survey: Optically Thin and Thick Mg II Lines as Probes of Lyman Continuum Escape
Xinfeng Xu, Alaina Henry, Timothy Heckman +14
The Mg II 2796, 2803 doublet has been suggested to be a useful indirect indicator for the escape of Ly-alpha and Lyman continuum (LyC) photons in local star-forming galaxies. Howev…
Reionization with star-forming galaxies: insights from the Low-z Lyman Continuum Survey
Maxime Trebitsch, Pratika Dayal, John Chisholm +18
The fraction of ionizing photons escaping from galaxies, , is at the same time a crucial parameter in modelling reionization and a very poorly known quantity, especially a…
DUVET: Spatially Resolved Observations of Star Formation Regulation via Galactic Outflows in a Starbursting Disk Galaxy
Bronwyn Reichardt Chu, Deanne B. Fisher, Alberto D. Bolatto +14
We compare 500~pc scale, resolved observations of ionised and molecular gas for the starbursting disk galaxy IRAS08339+6517, using measurements from KCWI and NOEMA. We…
The VANDELS survey: the ionizing properties of star-forming galaxies at using deep rest-frame ultraviolet spectroscopy
A. Saldana-Lopez, D. Schaerer, J. Chisholm +13
To better understand the ionizing properties of galaxies in the EoR, we investigate deep, rest-frame ultraviolet (UV) spectra of star-forming galaxies at $3 \leq z \le…
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…
An extreme blue nugget, UV-bright starburst at z=3.613 with ninety per cent of Lyman continuum photon escape
R. Marques-Chaves, D. Schaerer, J. Alvarez-Marquez +9
We present the discovery and analysis of J1316+2614 at z=3.6130, a UV-bright star-forming galaxy () with large escape of Lyman continuum (LyC) radiation. J…
CLASSY IV: Exploring UV diagnostics of the interstellar medium in local high- analogs at the dawn of the JWST era
Matilde Mingozzi, Bethan L. James, Karla Z. Arellano-Córdova +22
The COS Legacy Archive Spectroscopic SurveY (CLASSY) HST/COS treasury program provides the first high-resolution spectral catalogue of 45 local high-z analogues in the UV (1200-200…
CLusters in the Uv as EngineS (CLUES): I. Survey presentation \& FUV spectral analysis of the stellar light
M. Sirressi, A. Adamo, M. Hayes +17
The CLusters in the Uv as EngineS (CLUES) survey is a Cosmic Origins Spectrograph (COS) campaign aimed at acquiring the 1130 to 1770 Å, restframe spectroscopy of very young (<20 My…
A JWST/NIRCam Study of Key Contributors to Reionization: The Star-forming and Ionizing Properties of UV-faint Galaxies
Ryan Endsley, Daniel P. Stark, Lily Whitler +5
Spitzer/IRAC imaging has revealed that the brightest galaxies often exhibit young ages and strong nebular line emission, hinting at high ionizing efficiency among early…