490 citations · 4.8k across the 112 of their papers we have counts for
17 papers · 1 filter
Spectroscopic confirmation of four metal-poor galaxies at z=10.3-13.2
Emma Curtis-Lake, Stefano Carniani, Alex Cameron +56
Finding and characterising the first galaxies that illuminated the early Universe at cosmic dawn is pivotal to understand the physical conditions and the processes that led to the…
Spectroscopic Time-series Performance of JWST/NIRSpec from Commissioning Observations
Néstor Espinoza, Leonardo Úbeda, Stephan M. Birkmann +22
We report on JWST commissioning observations of the transiting exoplanet HAT-P-14 b, obtained using the Bright Object Time Series (BOTS) mode of the NIRSpec instrument with the G39…
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…
The In-Flight Noise Performance of the JWST/NIRSpec Detector System
Stephan M. Birkmann, Giovanna Giardino, Marco Sirianni +11
The Near-Infrared Spectrograph (NIRSpec) is one the four focal plane instruments on the James Webb Space Telescope (JWST) which was launched on December 25, 2021. We present the in…
Morpheus Reveals Distant Disk Galaxy Morphologies with JWST: The First AI/ML Analysis of JWST Images
Brant E. Robertson, Sandro Tacchella, Benjamin D. Johnson +21
The dramatic first images with James Webb Space Telescope (JWST) demonstrated its power to provide unprecedented spatial detail for galaxies in the high-redshift universe. Here, we…
Astrometric and Wavelength Calibration of the NIRSpec Instrument during Commissioning using a model-based approach
Nora Lützgendorf, Giovanna Giardino, Catarina Alves de Oliveira +11
The NIRSpec instrument for the James Webb Space Telescope (JWST) is a highly versatile near-infrared spectrograph that can be operated in various observing modes, slit apertures, a…
In-flight performance and calibration of the Grating Wheel Assembly sensors (NIRSpec/JWST)
Catarina Alves de Oliveira, Nora Luetzgendorf, Peter Zeidler +9
The Near-Infrared Spectrograph (NIRSpec) on board of the James Webb Space Telescope will be the first multi-object spectrograph in space offering ~250,000 configurable micro-shutte…
Optical throughput and sensitivity of JWST NIRSpec
G. Giardino, R. Bhatawdekar, S. M. Birkmann +13
To achieve its ambitious scientific goals, the Near-Infrared Spectrograph, NIRSpec, on board the Webb Space Telescope, needs to meet very demanding throughput requirements, here qu…
In-orbit Commissioning of the Near-Infrared Spectrograph on the James Webb Space Telescope
Torsten Böker, Yasin Abul-Huda, Martin Altenburg +41
The Near-Infrared Spectrograph (NIRSpec) is one of the four focal plane instruments on the James Webb Space Telescope which was launched on Dec. 25, 2021. We present an overview of…
JWST NIRCam+NIRSpec: Interstellar medium and stellar populations of young galaxies with rising star formation and evolving gas reservoirs
Sandro Tacchella, Benjamin D. Johnson, Brant E. Robertson +37
We present an interstellar medium and stellar population analysis of three spectroscopically confirmed galaxies in the ERO JWST NIRCam and JWST NIRSpec data of the SMACS J072…
Dual constraints with ALMA: new [O III] 88 m and dust-continuum observations reveal the ISM conditions of luminous LBGs at
Joris Witstok, Renske Smit, Roberto Maiolino +10
We present new [O III] 88 m observations of five bright Lyman-break galaxies spectroscopically confirmed by ALMA through the [C II] 158 m line, unlike…
First Insights into the ISM at with JWST: Possible Physical Implications of a High [O III]/[O III]
Harley Katz, Aayush Saxena, Alex J. Cameron +15
We present a detailed analysis of the rest-frame optical emission line ratios for three spectroscopically confirmed galaxies at . The galaxies were identified in the James W…
The chemical enrichment in the early Universe as probed by JWST via direct metallicity measurements at z~8
M. Curti, F. D'Eugenio, S. Carniani +30
We analyse the chemical properties of three z~8 galaxies behind the galaxy cluster SMACS J0723.3-7327, observed as part of the Early Release Observations programme of the James Web…
The Science Performance of JWST as Characterized in Commissioning
Jane Rigby, Marshall Perrin, Michael McElwain +623
This paper characterizes the actual science performance of the James Webb Space Telescope (JWST), as determined from the six month commissioning period. We summarize the performanc…
CLASSY V: The impact of aperture effects on the inferred nebular properties of local star-forming galaxies
Karla Z. Arellano-Córdova, Matilde Mingozzi, Danielle A. Berg +23
Strong nebular emission lines are an important diagnostic tool for tracing the evolution of star-forming galaxies across cosmic time. However, different observational setups can af…
CLASSY II: A technical Overview of the COS Legacy Archive Spectroscopic SurveY
Bethan L. James, Danielle A. Berg, Teagan King +45
The COS Legacy Archive Spectroscopic SurveY (CLASSY) is designed to provide the community with a spectral atlas of 45 nearby star-forming galaxies which were chosen to cover simila…
The COS Legacy Archive Spectroscopy SurveY (CLASSY) Treasury Atlas
Danielle A. Berg, Bethan L. James, Teagan King +46
Far-ultraviolet (FUV; ~1200-2000 angstroms) spectra are fundamental to our understanding of star-forming galaxies, providing a unique window on massive stellar populations, chemica…