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CJ

Christian Kragh Jespersen

0000-0002-8896-6496
astro-ph.GAastro-ph.COastro-ph.IMcs.LGastro-ph.HEphysics.data-an

On Valency

published · living versions
W_frw2xh2j·v1 · currentpublished
A Large Diversity in the Quiescent Fractions of Massive Galaxies in Proto-clusters at z∼4−6z\sim4-6 in the FRESCO GOODS fields
with Jamie Lin, Danilo Marchesini, Pascal A. Oesch, Rohan P. Naidu +6
1 version

Preprints & journals

41 papers in the corpus · 2021–2026
Graph Neural Networks for Astrophysics and Cosmology2610.27051v1 · Christian Kragh Jespersen2026 · 0 citationsarXiv
How bright can a galaxy be? Extreme value predictions for high-redshift survey observables2610.23016v1 · Christopher C. Lovell, Theodore Martin, Sandro Tacchella et al.2026 · 0 citationsarXiv
The Roman eXtreme Deep Field (RXDF)2609.08145v1 · Haojing Yan, Anton M. Koekemoer, Yue Shen 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
High-ionization coronal lines trace quasar-like activity in recently quenched galaxies at high redshift2605.30424v1 · F. Valentino, K. Ito, M. Farcy et al.2026 · 1 citationarXiv
DeepDive: Simultaneous Formation of Massive Quiescent Galaxies in High-Redshift Galaxy Overdensities2604.21007v2 · Takumi Kakimoto, Masayuki Tanaka, Kei Ito et al.2026 · 1 citationarXiv
Introducing sapphire: Towards Hybrid Physics-Informed, Data-Driven Modeling of Galaxy Formation2604.06318v2 · Viraj Pandya, Greg L. Bryan, T. Lucas Makinen et al.2026 · 0 citationsarXiv
PANORAMIC: The Dawn of Massive Quiescent Galaxies I. Number Density and Cosmic Variance from 1000 arcmin2^2 NIRCam Imaging2604.05022v2 · Zhiyuan Ji, Christina C. Williams, Peter Behroozi 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
A Black Hole Star at Cosmic Noon: Extreme Balmer break, photospheric continuum, and broad absorption by thick winds in a Little Red Dot at z=1.72603.28335v3 · Alberto Torralba, Jorryt Matthee, Andrea Weibel et al.2026 · 0 citationsarXiv
A PANORAMIC of UV-optical morphologies of "Little Red Dots": Two groups of LRDs distinguished by UV half-light radius2603.24700v1 · Aidan P. Cloonan, Katherine E. Whitaker, Sinclaire M. Manning et al.2026 · 0 citationsarXiv
The ionised interstellar medium of DSFGs revealed by JWST/NIRSpec and ALMA: Super-solar metallicity, low ionisation parameters and, typical electron densities2602.18558v2 · Steven Gillman, DTU-Space, Kei Ito et al.2026 · 0 citationsarXiv
There and back again? Neutral outflows in z~3.5 quiescent galaxies2602.17767v2 · Pengpei Zhu, Kei Ito, Francesco Valentino et al.2026 · 2 citationsA&A, 712, A169 (2026)
DeepDive: Tracing the early quenching pathways of massive quiescent galaxies at z>3z>3 from their star-formation histories and chemical abundances2602.02485v1 · Massissilia L. Hamadouche, Katherine E. Whitaker, Francesco Valentino et al.2026 · 1 citationarXiv
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
Transfer Learning Beyond the Standard Model2510.19168v1 · Veena Krishnaraj, Adrian E. Bayer, Christian Kragh Jespersen et al.2025 · 0 citationsJCAP06(2026)026
How does feedback affect the star formation histories of galaxies?2508.21152v1 · Kartheik G. Iyer, Tjitske K. Starkenburg, Greg L. Bryan et al.2025 · 7 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
Explaining ultra-massive quiescent galaxies at 3<z<53 < z < 5 in the context of their environments2507.05340v1 · Christian K. Jespersen, Adam C. Carnall, Christopher C. Lovell2025 · 12 citationsarXiv
CosmoBench: A Multiscale, Multiview, Multitask Cosmology Benchmark for Geometric Deep Learning2507.03707v2 · Ningyuan Huang, Richard Stiskalek, Jun-Young Lee et al.2025 · 0 citationsarXiv
DeepDive: A deep dive into the physics of the first massive quiescent galaxies in the Universe2506.22642v2 · K. Ito, F. Valentino, G. Brammer et al.2025 · 4 citationsarXiv
Exploring over 700 massive quiescent galaxies at z = 2-7: Demographics and stellar mass functions2506.04119v3 · William M. Baker, Francesco Valentino, Claudia del P. Lagos et al.2025 · 26 citationsA&A 702, A270 (2025)
The Optical and Infrared Are Connected2503.03816v2 · Christian K. Jespersen, Peter Melchior, David N. Spergel et al.2025 · 4 citationsarXiv
A merging pair of massive quiescent galaxies at z=3.44z=3.44 in the Cosmic Vine2503.01953v1 · K. Ito, F. Valentino, M. Farcy et al.2025 · 18 citationsA&A 697, A111 (2025)
Gas outflows in two recently quenched galaxies at z = 4 and 72503.01990v3 · F. Valentino, K.E. Heintz, G. Brammer et al.2025 · 36 citationsA&A 699, A358 (2025)
Tracing the galaxy-halo connection with galaxy clustering in COSMOS-Web from z = 0.1 to z ~ 122501.11674v2 · Louise Paquereau, Clotilde Laigle, Henry Joy McCracken et al.2025 · 18 citationsA&A 702, A163 (2025)
COSMOS-Web: stellar mass assembly in relation to dark matter halos across 0.2<z<120.2<z<12 of cosmic history2410.08290v1 · M. Shuntov, O. Ilbert, S. Toft et al.2024 · 64 citationsA&A 695, A20 (2025)
On the Significance of Rare Objects at High Redshift: The Impact of Cosmic Variance2403.00050v2 · Christian Kragh Jespersen, Charles L. Steinhardt, Rachel S. Somerville et al.2024 · 23 citationsarXiv
How the Galaxy-Halo Connection Depends on Large-Scale Environment2402.07995v2 · John F. Wu, Christian Kragh Jespersen, Risa H. Wechsler2024 · 15 citationsarXiv
Leaving No Branches Behind: Predicting Baryonic Properties of Galaxies from Merger Trees2311.09162v1 · Chen-Yu Chuang, Christian Kragh Jespersen, Yen-Ting Lin et al.2023 · 20 citationsarXiv
Efficient survey design for finding high-redshift galaxies with JWST2310.15284v1 · Luka Vujeva, Charles L. Steinhardt, Christian Kragh Jespersen et al.2023 · 9 citationsarXiv
Size - Stellar Mass Relation and Morphology of Quiescent Galaxies at z≥3z\geq3 in Public JWSTJWST Fields2307.06994v2 · Kei Ito, Francesco Valentino, Gabriel Brammer et al.2023 · 4 citationsarXiv
Learning the galaxy-environment connection with graph neural networks2306.12327v1 · John F. Wu, Christian Kragh Jespersen2023 · 3 citationsarXiv
JWST constraints on the UV luminosity density at cosmic dawn: implications for 21-cm cosmology2305.02703v2 · Sultan Hassan, Christopher C. Lovell, Piero Madau et al.2023 · 16 citationsarXiv
An Atlas of Color-selected Quiescent Galaxies at z>3z>3 in Public JWSTJWST Fields2302.10936v1 · Francesco Valentino, Gabriel Brammer, Katriona M. L. Gould et al.2023 · 215 citationsarXiv
Classification of BATSE, Swift, and Fermi Gamma-Ray Bursts from Prompt Emission Alone2301.00820v1 · Charles L. Steinhardt, William J. Mann, Vadim Rusakov et al.2023 · 29 citationsarXiv
COSMOS2020: The Galaxy Stellar Mass Function: the assembly and star formation cessation of galaxies at 0.2<z≤7.50.2\lt z \leq 7.52212.02512v2 · J. R. Weaver, I. Davidzon, S. Toft et al.2022 · 196 citationsA&A 677, A184 (2023)
Mangrove\texttt{Mangrove}: Learning Galaxy Properties from Merger Trees2210.13473v1 · Christian Kragh Jespersen, Miles Cranmer, Peter Melchior et al.2022 · 43 citationsarXiv
The interstellar medium in the environment of the supernova-less long-duration GRB 111005A2202.01188v1 · Aleksandra Le'sniewska, M. J. Micha\lowski, P. Kamphuis et al.2022 · 7 citationsarXiv
Finding High-Redshift Galaxies with JWST2111.14865v1 · Charles L. Steinhardt, Christian Kragh Jespersen, Nora B. Linzer2021 · 1 citationarXiv
COSMOS2020: A panchromatic view of the Universe to z∼10z\sim10 from two complementary catalogs2110.13923v1 · J. R. Weaver, O. B. Kauffmann, O. Ilbert et al.2021 · 481 citationsarXiv
Career total: 68 works. 41 are in this corpus.

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