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Guido W. Roberts-Borsani

0000-0002-4140-1367
astro-ph.GAastro-ph.COastro-ph.IMastro-ph.HEastro-ph.EPastro-ph.SR

On Valency

published · living versions
W_qdbre4mx·v1 · currentpublished
Dust in the reionization era: ALMA observations of a zz=8.38 Galaxy
with Nicolas Laporte, Richard S. Ellis, Frederic Boone, Franz E. Bauer +4
1 version

Preprints & journals

104 papers in the corpus · 2015–2026
Precise C-N-O Abundances of Individual Galaxies in the First Billion Years from Ultra-Deep, Rest-UV-to-Optical JWST Spectroscopy2609.35526v1 · Raunaq Singh Rai, Guido Roberts-Borsani, Ryan Sanders et al.2026 · 0 citationsarXiv
Chandra Lensing-cluster Ultradeep Extragalactic Survey (CLUES) I: A 2 Ms Point-Source Catalog of the Abell 2744 Field2609.17673v1 · Shouyi Wang, Fan Zou, Elena Gallo et al.2026 · 0 citationsarXiv
PRISMS. GHZ1. A standard tale of galaxy evolution with atypical ionizing conditions at z=9.878z=9.8782609.14574v1 · Borja P'erez-D'iaz, Marco Castellano, Javier 'Alvarez-M'arquez et al.2026 · 0 citationsarXiv
Unveiling and Characterising Ubiquitous Nitrogen Enhancement in 6≤z≤106 \leq z \leq 10 Galaxies with JWST Spectroscopy2608.10063v1 · Raunaq Singh Rai, Guido Roberts-Borsani2026 · 0 citationsarXiv
BEACON: JWST NIRCam Pure-parallel Imaging Survey. III. Constraints on the UV LF and the Clustering of z~7-14 Galaxies2604.17963v2 · Kimi C. Kreilgaard, Charlotte A. Mason, Takahiro Morishita et al.2026 · 0 citationsarXiv
Revisiting the Claim for a Direct-Collapse Black Hole in UHZ1 at z=10.05z=10.052603.24893v2 · Fan Zou, Elena Gallo, Zihao Zuo et al.2026 · 1 citationarXiv
BEACON: JWST NIRCam Pure-parallel Imaging Survey. II. Physical Properties of z=7−14z=7-14 Galaxies2601.02861v1 · Yechi Zhang, Takahiro Morishita, Kimi C. Kreilgaard et al.2026 · 0 citationsarXiv
Investigating ionising sources and the complex interstellar medium of GHZ2 at z=12.3z=12.32512.08490v2 · M. Castellano, L. Napolitano, B. Moreschini et al.2025 · 3 citationsarXiv
A Pristine Star-Forming Complex at z=4.192509.07073v2 · E. Vanzella, M. Messa, A. Zanella et al.2025 · 11 citationsA&A 705, L12 (2026)
Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE): Survey Overview2509.00596v1 · Matthew A. Malkan, Vihang Mehta, Ayan Acharyya et al.2025 · 4 citationsarXiv
JWST Spectroscopic Insights Into the Diversity of Galaxies in the First 500 Myr: Short-Lived Snapshots Along a Common Evolutionary Pathway2508.21708v2 · Guido Roberts-Borsani, Pascal Oesch, Richard Ellis et al.2025 · 0 citationsarXiv
An accurate measurement of the spectral resolution of the JWST Near Infrared Spectrograph2507.03746v2 · Anowar J. Shajib, Tommaso Treu, Alejandra Melo et al.2025 · 11 citationsA&A 702, L12 (2025)
The BoRG-JWSTJWST Survey: Analogs at z∼8z\sim8 to the UV-luminous Galaxy Population at z≳10z\gtrsim102507.01014v2 · Sof'ia Rojas-Ruiz, Guido Roberts-Borsani, Takahiro Morishita et al.2025 · 3 citationsarXiv
Novel z∼ 10z\sim~10 auroral line measurements extend the gradual offset of the FMR deep into the first Gyr of cosmic time2506.15779v1 · Clara L. Pollock, Rashmi Gottumukkala, Kasper E. Heintz et al.2025 · 10 citationsarXiv
A Cosmic Miracle: A Remarkably Luminous Galaxy at zspec=14.44z_{\rm{spec}}=14.44 Confirmed with JWST2505.11263v2 · Rohan P. Naidu, Pascal A. Oesch, Gabriel Brammer et al.2025 · 13 citationsarXiv
JWST & ALMA Joint Analysis with [OII]$\lambda\lambda3726,3729,[OIII]3726,3729, [OIII]\lambda4363,[OIII]884363, [OIII]88\mum,and[OIII]52m, and [OIII]52\mu$m: Multi-Zone Evolution of Electron Densities at z∼0−14\mathbf{z\sim0-14} and Its Impact on Metallicity Measurements2505.09186v2 · Yuichi Harikane, Ryan L. Sanders, Richard Ellis et al.2025 · 2 citationsarXiv
Pushing JWST to the extremes: search and scrutiny of bright galaxy candidates at z$\simeq$15-302504.05893v2 · M. Castellano, A. Fontana, E. Merlin et al.2025 · 19 citationsA&A 704, A158 (2025)
Probing patchy reionisation with JWST: IGM opacity constraints from the Lyman-α\alpha forest of galaxies in legacy extragalactic fields2504.02683v2 · Romain A. Meyer, Guido Roberts-Borsani, Pascal Oesch et al.2025 · 9 citationsMon Not R Astron Soc (2025) 1952-1968
The GLASS-JWST Early Release Science Programme: The NIRISS Spectroscopic Catalogue2504.00823v2 · Peter J. Watson, Benedetta Vulcani, Tommaso Treu et al.2025 · 8 citationsA&A 699, A225 (2025)
Metallicity Scatter Originating from Sub-kiloparsec Starbursting Clumps in the Core of a Protocluster at z=7.882501.11879v1 · Takahiro Morishita, Massimo Stiavelli, Eros Vanzella et al.2025 · 12 citationsarXiv
Early Results from GLASS-JWST. XXV. Electron Density in the Interstellar Medium at 0.7≲z≲9.30.7\lesssim z\lesssim 9.3 with NIRSpec High-resolution Spectroscopy2412.08382v1 · Sijia Li, Xin Wang, Yuguang Chen et al.2024 · 15 citationsarXiv
What can we learn from the Nitrogen abundance of High-z galaxies?2412.06517v1 · Massimo Stiavelli, Takahiro Morishita, Marco Chiaberge et al.2024 · 25 citationsarXiv
BEACON: JWST NIRCam Pure-parallel Imaging Survey. I. Survey Design and Initial Results2412.04211v2 · Takahiro Morishita, Charlotte A. Mason, Kimi C. Kreilgaard et al.2024 · 25 citationsarXiv
Evolution of the UV slope of galaxies at cosmic morning (z > 4): the properties of extremely blue galaxies2412.01623v2 · D.Dottorini, A.Calabro, L.Pentericci et al.2024 · 13 citationsA&A 698, A234 (2025)
The Dual Nature of GHZ9: Coexisting Active Galactic Nuclei and Star Formation Activity in a Remote X-ray Source at z = 10.1452410.18763v4 · Lorenzo Napolitano, Marco Castellano, Laura Pentericci et al.2024 · 40 citationsThe Astrophysical Journal, 989:75 (12pp), 2025
Seven wonders of Cosmic Dawn: JWST confirms a high abundance of galaxies and AGNs at z ≃\simeq 9-11 in the GLASS field2410.10967v1 · L. Napolitano, M. Castellano, L. Pentericci et al.2024 · 55 citationsA&A 693, A50 (2025)
RUBIES Reveals a Massive Quiescent Galaxy at z=7.32409.03829v2 · Andrea Weibel, Anna de Graaff, David J. Setton et al.2024 · 68 citationsarXiv
ASTRODEEP-JWST: NIRCam-HST multiband photometry and redshifts for half a million sources in six extragalactic deep fields2409.00169v3 · E. Merlin, P. Santini, D. Paris et al.2024 · 44 citationsA&A 691, A240 (2024)
The GLASS-JWST Early Release Science Program. IV. Data release of 263 spectra from 245 unique sources2408.16675v1 · S. Mascia, G. Roberts-Borsani, T. Treu et al.2024 · 16 citationsarXiv
Accelerated Emergence of Evolved Galaxies in Early Overdensities at z∼5.7z\sim5.72408.10980v2 · Takahiro Morishita, Zhaoran Liu, Massimo Stiavelli et al.2024 · 2 citationsarXiv
The BoRG-JWSTJWST Survey: Abundance and Mass-to-light Ratio of Luminous z=7−9z=7-9 Galaxies from Independent Sight Lines with NIRSpec2408.00843v2 · Sof'ia Rojas-Ruiz, Micaela B. Bagley, Guido Roberts-Borsani et al.2024 · 10 citationsApJ 985 80 (2025)
Strong Balmer break objects at z ~ 7-10 uncovered with JWST2407.17410v2 · A. Kuruvanthodi, D. Schaerer, R. Marques-Chaves et al.2024 · 10 citationsA&A 691, A310 (2024)
The BoRG-JWST Survey: Program Overview and First Confirmations of Luminous Reionization-Era Galaxies from Pure-Parallel Observations2407.17551v1 · Guido Roberts-Borsani, Micaela Bagley, Sof'ia Rojas-Ruiz et al.2024 · 13 citationsarXiv
Rising from the ashes: evidence of old stellar populations and rejuvenation events in the very early Universe2407.07937v1 · Callum Witten, William McClymont, Nicolas Laporte et al.2024 · 36 citationsarXiv
The First Billion Years, According to JWST2405.21054v1 · Angela Adamo, Hakim Atek, Micaela B. Bagley et al.2024 · 28 citationsarXiv
Joint Optical and Infrared Observations of N and O Reveal the Dust-Obscured Gas in Haro 32405.18476v2 · Yuguang Chen, Tucker Jones, Ryan L. Sanders et al.2024 · 1 citationarXiv
Evidence of extreme ionization conditions and low metallicity in GHZ2/GLASS-z12 from a combined analysis of NIRSpec and MIRI observations2403.12683v2 · Antonello Calabro, Marco Castellano, Jorge A. Zavala et al.2024 · 38 citationsarXiv
JWST NIRSpec Spectroscopy of the Remarkable Bright Galaxy GHZ2/GLASS-z12 at Redshift 12.342403.10238v2 · Marco Castellano, Lorenzo Napolitano, Adriano Fontana et al.2024 · 175 citationsarXiv
Between the Extremes: A JWST Spectroscopic Benchmark for High-redshift Galaxies Using ~500 Confirmed Sources at z⩾5z\geqslant52403.07103v2 · Guido Roberts-Borsani, Tommaso Treu, Alice Shapley et al.2024 · 10 citationsarXiv
The evolution of the SFR and Sigma-SFR of galaxies in cosmic morning (4 < z < 10)2402.17829v2 · A. Calabro, L. Pentericci, P. Santini et al.2024 · 30 citationsA&A 690, A290 (2024)
Diverse Oxygen Abundance in Early Galaxies Unveiled by Auroral Line Analysis with JWST2402.14084v3 · Takahiro Morishita, Massimo Stiavelli, Claudio Grillo et al.2024 · 53 citationsarXiv
Reply to: Effects of density and temperature variations on the metallicity of Mrk 712402.03105v1 · Yuguang Chen, Tucker Jones, Ryan Sanders et al.2024 · 0 citationsarXiv
Early results from GLASS-JWST. XXVII. The mass-metallicity relation in lensed field galaxies at cosmic noon with NIRISS2312.01932v1 · Xianlong He, Xin Wang, Tucker Jones et al.2023 · 21 citationsApJL 960:L13 (2024)
Enhanced Sub-kpc Scale Star-formation: Results From A JWST Size Analysis of 341 Galaxies At 5<z<142308.05018v2 · Takahiro Morishita, Massimo Stiavelli, Ranga-Ram Chary et al.2023 · 4 citationsarXiv
The nature of an ultra-faint galaxy in the cosmic dark ages seen with JWST.37198479 · Roberts-Borsani, Guido, Treu, Tommaso, Chen, Wenlei et al.2023 · 82 citationsNature. 2023;618(7965):480-483
Accurate Oxygen Abundance of Interstellar Gas in Mrk 71 from Optical and Infrared Spectra2304.09898v1 · Yuguang Chen, Tucker Jones, Ryan Sanders et al.2023 · 26 citationsarXiv
Early Results from GLASS-JWST XXIII: The transmission of Lyman-alpha from UV-faint z ~ 3-6 galaxies2304.02666v2 · Gonzalo Prieto-Lyon, Charlotte Mason, Sara Mascia et al.2023 · 19 citationsarXiv
Deciphering Lyman-α\alpha Emission Deep into the Epoch of Reionisation2303.16225v2 · Callum Witten, Nicolas Laporte, Sergio Martin-Alvarez et al.2023 · 59 citationsarXiv
The GLASS-JWST Early Release Science Program. III. Strong lensing model of Abell 2744 and its infalling regions2303.10210v2 · Pietro Bergamini, Ana Acebron, Claudio Grillo et al.2023 · 73 citationsarXiv
Early results from GLASS-JWST. XX: Unveiling a population of "red-excess'' galaxies in Abell2744 and in the coeval field2303.01115v2 · Benedetta Vulcani, Tommaso Treu, Antonello Calabro et al.2023 · 11 citationsarXiv
Career total: at least 174 works. 104 are in this corpus.Showing the 50 most recent.

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