Nikko J. Cleri

Osservatorio Astronomico di Padova — Italy

Physics and Astronomy · Physical Sciences

32h-index4.5kcitations148works18.62yr avg
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Research Topics

Galaxies: Formation, Evolution, Phenomena(98), Astronomy and Astrophysical Research(90), Gamma-ray bursts and supernovae(44), Stellar, planetary, and galactic studies(37), Astrophysics and Star Formation Studies(28)

Publications148 total

RUBIES Spectroscopically Confirms the High Number Density of Quiescent Galaxies from <b>2</b> &lt; <i>z</i> &lt; 5
The Astrophysical Journal·2026Open Access
Mysteries of <i>Capotauro</i> : Investigating the puzzling nature of an extreme F356W-dropout
Astronomy and Astrophysics·2026Open Access
Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-0
arXiv (Cornell University)·2025Open Access
Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-0
ArXiv.org·2025Open Access
THRILS -- The High-(Redshift+Ionization) Line Search: Program Description &amp; Redshift Catalog
arXiv (Cornell University)·2025Open Access
The Mass-Metallicity Relation and its Observational Effects at z~3-6
arXiv (Cornell University)·2025Open Access
JWST &amp; the Waz Arc I: Spatially Resolving the Physical Conditions within a Post-Starburst Galaxy at Redshift 5 with NIRSpec IFS
arXiv (Cornell University)·2025Open Access
Beyond the Monsters: A More Complete Census of Black Hole Activity at Cosmic Dawn
ArXiv.org·2025Open Access
Optical Strong Line Ratios Cannot Distinguish between Stellar Populations and Accreting Black Holes at High Ionization Parameters and Low Metallicities
The Astrophysical Journal·2025· 1 citedOpen Access
<b>E</b> mission-line Diagnostics at <i>z</i>  &gt; 4: [O <scp>iii</scp> ] <i>λ</i> 4364/H <i>γ</i> versus [Ne <scp>iii</scp> ] <i>λ</i> 3870/[O <scp>ii</scp> ] <i>λ</i> 3730
The Astrophysical Journal·2025Open Access
The Prevalence of Bursty Star Formation in Low-mass Galaxies at <i>z</i> = 1–7 from H <i>α</i> -to-UV Diagnostics
The Astrophysical Journal·2025Open Access
JWST/NIRSpec Reveals a Small Population of Dominant Dust-Obscured Ionizing Sources in Galaxies at 1 &lt; z &lt; 3
arXiv (Cornell University)·2025Open Access
The $M_{\rm BH}-M_{*}$ Relationship at $3
arXiv (Cornell University)·2025· 1 citedOpen Access
The Prevalence of Bursty Star Formation in Low-Mass Galaxies at z=1-7 from Hα-to-UV Diagnostics
arXiv (Cornell University)·2025Open Access
Exploring the Nature of Little Red Dots: Constraints on Active Galactic Nucleus and Stellar Contributions from PRIMER MIRI Imaging
The Astrophysical Journal·2025· 15 citedOpen Access
A Confirmed Deficit of Hot and Cold Dust Emission in the Most Luminous Little Red Dots
The Astrophysical Journal Letters·2025· 24 citedOpen Access
RUBIES: A spectroscopic census of little red dots
Astronomy and Astrophysics·2025· 18 citedOpen Access
21 Balmer Jump Street: The Nebular Continuum at High Redshift and Implications for the Bright Galaxy Problem, UV Continuum Slopes, and Early Stellar Populations
The Open Journal of Astrophysics·2025· 10 citedOpen Access
CEERS: Possibly forging the first dust grains in the universe
Springer Link (Chiba Institute of Technology)·2025
CAPERS Observations of Two UV-bright Galaxies at <i>z</i> &gt; 10. More Evidence for Bursting Star Formation in the Early Universe
The Astrophysical Journal Letters·2025· 11 citedOpen Access
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Frequent Co-authors

Steven L. Finkelstein(44), Casey Papovich(44), Anton M. Koekemoer(36), Jonathan R. Trump(36), Jeyhan S. Kartaltepe(35), L. Y. Aaron Yung(34), Mark Dickinson(34), Michaela Hirschmann(34), Micaela B. Bagley(33), Pablo Arrabal Haro(33), Nor Pirzkal(32), Pablo G. Pérez‐González(30), Stephen M. Wilkins(29), Mauro Giavalisco(29), Ray A. Lucas(29), Nimish P. Hathi(27), Benne W. Holwerda(25), Henry C. Ferguson(23), Norman A. Grogin(23), Antonello Calabrò(23)