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Michael V. Maseda

0000-0003-0695-4414
astro-ph.GAastro-ph.COastro-ph.HEastro-ph.IMastro-ph.SREarly universeGalaxies and clustersGalaxies

On Valency

published · living versions
W_fkyczag6·v1 · currentpublished
The 3D-HST Survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts, and emission line measurements for ∼100,000\sim 100,000 galaxies
with Ivelina G. Momcheva, Gabriel B. Brammer, Pieter G. van Dokkum, Rosalind E. Skelton +25
1 version
W_9kpuu5ys·v1published
3D-HST+CANDELS: The Evolution of the Galaxy Size-Mass Distribution since z=3z=3

Preprints & journals

210 papers in the corpus · 2013–2026
IRAC-Excess Galaxies in the NIRSpec Wide Survey: physical properties of bright EELGs at z∼7z\sim7 and implications for Reionization2610.20332v1 · Katherine Ormerod, Renske Smit, Joris Witstok et al.2026 · 0 citationsarXiv
NOEMA probes the [CII] and dust content in a 2175Å UV Bump Galaxy at z=7.1z=7.12609.12203v1 · Katherine Ormerod, Renske Smit, Joris Witstok et al.2026 · 0 citationsarXiv
A gas-enshrouded and gas-reddened black hole at cosmic dawn.42587117 · Naidu, Rohan P, Matthee, Jorryt, Katz, Harley et al.2026 · 26 citationsNature. 2026;656(8127):329-333
The Mysterious Case of Iron in XMPs: Anomalous High log(Fe/O) Observed in Extremely Metal-Poor Galaxies HSCJ1631+4426 and SDSSJ0811+47302607.14758v1 · Aaron Myszka, Themiya Nanayakkara, Karl Glazebrook et al.2026 · 0 citationsarXiv
Compact Core, Extended Reach: A Bipolar kpc-Scale Elongation in a Little Red Dot at z≈5.5z \approx 5.52606.18342v2 · Zhiyuan Ji, Yang Sun, Mauro Giavalisco et al.2026 · 0 citationsarXiv
Black Hole Stars Across the Universe: Identifying Central Engine Dominated Little Red Dots at z∼1.5−9.5z\sim1.5-9.52606.17271v1 · Andrea Weibel, Rohan P. Naidu, Pascal A. Oesch et al.2026 · 0 citationsarXiv
Toward Unbreaking the Universe: MINERVA Measurements of Color Gradients in Massive Quiescent Galaxies Can Help Ease Too-Early Star Formation Tensions2606.02698v3 · Sam E. Cutler, Luke Robbins, Danilo Marchesini et al.2026 · 0 citationsThe Astrophysical Journal Letters Volume 1008 (2026) L11
RUBIES: The Evolution of the Ionization Parameter from 0 < z < 92605.30410v3 · Nikko J. Cleri, Zach J. Lewis, Joel Leja et al.2026 · 0 citationsarXiv
Winding Back the Clock: Recent Star Formation Histories of Massive Quiescent Galaxies Are Consistent With Their Rapid Number Density Evolution Since z∼7\mathbf{z\sim7}2604.05024v1 · Yunchong Zhang, Zhiyuan Ji, Rachel Bezanson et al.2026 · 0 citationsarXiv
Spatially Resolved AGN Ionization and Star Formation at Cosmic Noon with JWST/JEMS2604.01271v1 · Sophie Lebowitz, Kevin N. Hainline, Stephanie Juneau et al.2026 · 0 citationsarXiv
The Engine and its Flows: Little Red Dot spectra are shaped by the column densities of their gas envelopes2603.17667v1 · Jorryt Matthee, Alberto Torralba, Gabriele Pezzulli et al.2026 · 2 citationsarXiv
Evidence for Shallow Nebular Attenuation Curves and Patchy Dust Geometry at z~2 with Pa-beta/H-alpha Measurements from JWST-MegaScience Medium Band Photometry2602.11418v1 · Brian Lorenz, Katherine A. Suess, Mariska Kriek et al.2026 · 0 citationsarXiv
Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-02512.19695v1 · Jakob M. Helton, Jane E. Morrison, Kevin N. Hainline et al.2025 · 0 citationsarXiv
Exploring Cosmic Dawn with PANORAMIC II: Cosmic Variance and Galaxy Clustering at z∼10z\sim102512.14212v2 · Andrea Weibel, Christian Kragh Jespersen, Pascal A. Oesch et al.2025 · 0 citationsarXiv
LEGA-C stellar populations scaling relations. I: Chemo-archaeological downsizing trends at z~0.72512.07952v1 · Anna R. Gallazzi, Stefano Zibetti, Arjen van der Wel et al.2025 · 3 citationsA&A 708, A289 (2026)
The Mass-Metallicity Relation and its Observational Effects at z~3-62512.03134v1 · Zach Lewis, Michael V. Maseda, Anna de Graaff et al.2025 · 0 citationsarXiv
CECILIA: The Mass-Metallicity Relation of Low-Mass Galaxies at Cosmic Noon2512.00162v1 · Menelaos Raptis, Gwen C. Rudie, Ryan F. Trainor et al.2025 · 0 citationsarXiv
LEGA-C stellar populations scaling relations. II: Dissecting mass-complete archaeological trends and their evolution since z~0.7 with LEGA-C and SDSS2511.11805v1 · Anna R. Gallazzi, Stefano Zibetti, Arjen van der Wel et al.2025 · 5 citationsA&A 708, A290 (2026)
Rapid, out of equilibrium metal enrichment indicated by a flat mass-metallicity relation at z~6 from NIRCam grism spectroscopy2510.19959v2 · Gauri Kotiwale, Jorryt Matthee, Daichi Kashino et al.2025 · 4 citationsarXiv
An Investigation into the Low-Mass Fundamental Metallicity Relation in the Local and High-z Universe2510.15024v1 · Isaac H. Laseter, Michael V. Maseda, Andrew J. Bunker et al.2025 · 2 citationsarXiv
JADES Data Release 4 Paper I: Sample Selection, Observing Strategy and Redshifts of the complete spectroscopic sample2510.01033v2 · Emma Curtis-Lake, Alex J. Cameron, Andrew J. Bunker et al.2025 · 12 citationsMon Not R Astron Soc (2026)
JADES Data Release 4 -- Paper II: Data reduction, analysis and emission-line fluxes of the complete spectroscopic sample2510.01034v1 · J. Scholtz, S. Carniani, E. Parlanti et al.2025 · 15 citationsarXiv
CECILIA: Gas-Phase Physical Conditions and Multi-Element Chemistry at Cosmic Noon2509.18257v2 · Noah S. J. Rogers, Allison L. Strom, Gwen C. Rudie et al.2025 · 6 citationsarXiv
RUBIES spectroscopically confirms the high number density of quiescent galaxies from 2<z<5\mathbf{2<z<5}2508.08577v2 · Yunchong Zhang, Anna de Graaff, David J. Setton et al.2025 · 8 citationsApJ, 997, 252 (2026)
Excavating The Ruins: an Ancient z=2.675z=2.675 Galaxy Which Formed in the First 500 Myr2508.05752v1 · Ian McConachie, Jacqueline Antwi-Danso, Wenjun Chang et al.2025 · 1 citationarXiv
Bursting at the seams: the star-forming main sequence and its scatter at z=3-9 using NIRCam photometry from JADES2508.04410v2 · C. Simmonds, S. Tacchella, W. McClymont et al.2025 · 34 citationsarXiv
On the origins of oxygen: ALMA and JWST characterise the multi-phase, metal-enriched, star-bursting medium within a 'normal' z>11z > 11 galaxy2507.22888v4 · Joris Witstok, Renske Smit, William M. Baker et al.2025 · 6 citationsarXiv
CECILIA: Ultra-Deep Rest-Optical Spectra of Faint Galaxies at Cosmic Noon2507.22237v1 · Menelaos Raptis, Ryan F. Trainor, Allison L. Strom et al.2025 · 2 citationsarXiv
Exploring Cosmic Dawn with PANORAMIC I: The Bright End of the UVLF at z∼9−17z\sim9 -172507.06292v2 · Andrea Weibel, Pascal A. Oesch, Christina C. Williams et al.2025 · 12 citationsThe Astrophysical Journal, 2026, Volume 1002, Number 2
Breaking Through the Cosmic Fog: JWST/NIRSpec Constraints on Ionizing Photon Escape in Reionization-Era Galaxies2507.01096v1 · Emma Giovinazzo, Pascal A. Oesch, Andrea Weibel et al.2025 · 8 citationsarXiv
Optical Strong Line Ratios Cannot Distinguish Between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities2506.21660v1 · Nikko J. Cleri, Grace M. Olivier, Bren E. Backhaus et al.2025 · 8 citationsarXiv
RUBIES: A Spectroscopic Census of Little Red Dots; All V-Shaped Point Sources Have Broad Lines2506.05459v1 · Raphael E. Hviding, Anna de Graaff, Tim B. Miller et al.2025 · 51 citationsA&A 702, A57 (2025)
Measuring Emission Lines with JWST-MegaScience Medium-Bands: A New Window into Dust and Star Formation at Cosmic Noon2505.10632v1 · Brian Lorenz, Katherine A. Suess, Mariska Kriek et al.2025 · 2 citationsarXiv
When relics were made: vigorous stellar rotation and low dark matter content in the massive ultra-compact galaxy GS-9209 at z=4.662505.06349v2 · Robert G. Pascalau, Francesco D'Eugenio, Sandro Tacchella et al.2025 · 9 citationsarXiv
A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots2503.16596v1 · Rohan P. Naidu, Jorryt Matthee, Harley Katz et al.2025 · 19 citationsarXiv
A remarkable Ruby: Absorption in dense gas, rather than evolved stars, drives the extreme Balmer break of a Little Red Dot at z=3.5z=3.52503.16600v2 · Anna de Graaff, Hans-Walter Rix, Rohan P. Naidu et al.2025 · 76 citationsA&A 701, A168 (2025)
A confirmed deficit of hot and cold dust emission in the most luminous Little Red Dots2503.02059v1 · David J. Setton, Jenny E. Greene, Justin S. Spilker et al.2025 · 48 citationsarXiv
Witnessing the onset of reionization through Lyman-α emission at redshift 13.40140594 · Witstok, Joris, Jakobsen, Peter, Maiolino, Roberto et al.2025 · 70 citationsNature. 2025;639(8056):897-901
Detection of the 2175Å UV Bump at z>7: Evidence for Rapid Dust Evolution in a Merging Reionisation-Era Galaxy2502.21119v3 · Katherine Ormerod, Joris Witstok, Renske Smit et al.2025 · 10 citationsMon Not R Astron Soc (2025) 1136-1154
Discovery of Ancient Globular Cluster Candidates in the Relic, a Quiescent Galaxy at z=2.5z=2.52501.07627v3 · Katherine E. Whitaker, Sam E. Cutler, Rupali Chandar et al.2025 · 5 citationsarXiv
A giant disk galaxy two billion years after the Big Bang.40417329 · Wang, Weichen, Cantalupo, Sebastiano, Pensabene, Antonio et al.2025 · 17 citationsNature astronomy. 2025;9(5):710-719
PANORAMIC: Discovery of an Ultra-Massive Grand-Design Spiral Galaxy at z∼5.2z\sim5.22412.13264v2 · Mengyuan Xiao, Christina C. Williams, Pascal A. Oesch et al.2024 · 16 citationsA&A 696, A156 (2025)
JWST UNCOVERs the Optical Size - Stellar Mass Relation at 4<z<84<z<8: Rapid Growth in the Sizes of Low Mass Galaxies in the First Billion Years of the Universe2412.06957v2 · Tim B. Miller, Katherine A. Suess, David J. Setton et al.2024 · 27 citationsarXiv
Efficient Ionizers with Low Hβ\boldsymbol{\beta}+[OIII] Equivalent Widths: JADES Spectroscopy of a Peculiar High-z Population2412.04542v1 · Isaac H. Laseter, Michael V. Maseda, Charlotte Simmonds et al.2024 · 0 citationsarXiv
Environmental Evidence for Overly Massive Black Holes in Low Mass Galaxies and a Black Hole - Halo Mass Relation at z∼5z \sim 52412.02846v1 · Jorryt Matthee, Rohan P. Naidu, Gauri Kotiwale et al.2024 · 1 citationarXiv
Efficient formation of a massive quiescent galaxy at redshift 4.9.39990236 · de Graaff, Anna, Setton, David J, Brammer, Gabriel et al.2025 · 121 citationsNature astronomy. 2025;9(2):280-292
The MUSE Extremely Deep Field: Classifying the Spectral Shapes of Lya Emitting Galaxies2411.14327v1 · E. Vitte, A. Verhamme, P. Hibon et al.2024 · 8 citationsA&A 694, A100 (2025)
Hitting the slopes: A spectroscopic view of UV continuum slopes of galaxies reveals a reddening at z > 9.52411.14532v2 · Aayush Saxena, Alex J. Cameron, Harley Katz et al.2024 · 18 citationsMon Not R Astron Soc (2026)
A Little Red Dot at z=7.3\mathbf{z=7.3} within a Large Galaxy Overdensity2411.11534v2 · Jan-Torge Schindler, Joseph F. Hennawi, Frederick B. Davies et al.2024 · 16 citationsarXiv
Accelerated formation of ultra-massive galaxies in the first billion years.39537883 · Xiao, Mengyuan, Oesch, Pascal A, Elbaz, David et al.2024 · 93 citationsNature. 2024;635(8038):311-315
Career total: at least 325 works. 210 are in this corpus.Showing the 50 most recent.

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