ZS
Zechang Sun
astro-ph.COastro-ph.GAastro-ph.IMastro-ph.SRcs.CLAI assistantastro-ph.EPContinued pretrainingcs.AIcs.DL
On Valency
published · living versionsW_tat89bju·v1 · currentpublished
Deep Learning of DESI Mock Spectra to Find Damped Lyα Systems
with Ben Wang, Jiaqi Zou, Zheng Cai, J. Xavier Prochaska +12
1 version
Preprints & journals
22 papers in the corpus · 2022–2026A Post-starburst Galaxy Undergoing Ram-pressure Stripping at Redshift 3.062604.11892v2 · Mingyu Li, Zheng Cai, Bjorn H. C. Emonts et al.2026 · 0 citationsarXiv
AstroMLab 5: Structured Summaries and Concept Extraction for 400,000 Astrophysics Papers2511.12353v1 · Yuan-Sen Ting, Alberto Accomazzi, Tirthankar Ghosal et al.2025 · 0 citationsarXiv
A Unified Photometric Redshift Calibration for Weak Lensing Surveys using the Dark Energy Spectroscopic Instrument2510.25419v2 · Johannes U. Lange, Diana Blanco, Alexie Leauthaud et al.2025 · 0 citationsarXiv
Mephisto: Self-Improving Large Language Model-Based Agents for Automated Interpretation of Multi-band Galaxy Observations2510.08354v1 · Zechang Sun, Yuan-Sen Ting, Yaobo Liang et al.2025 · 1 citationarXiv
Testing gravitational physics by combining DESI DR1 and weak lensing datasets using the E_G estimator2507.16098v3 · S. J. Rauhut, C. Blake, U. Andrade et al.2025 · 3 citationsarXiv
Lensing Without Borders: Measurements of galaxy-galaxy lensing and projected galaxy clustering in DESI DR12506.21677v1 · S. Heydenreich, A. Leauthaud, C. Blake et al.2025 · 0 citationsarXivon Valency
Achieving GPT-4o level performance in astronomy with a specialized 8B-parameter large language model.40258872 · de Haan, Tijmen, Ting, Yuan-Sen, Ghosal, Tirthankar et al.2025 · 13 citationsScientific reports. 2025;15(1):13751
The DESI-Lensing Mock Challenge: large-scale cosmological analysis of 3x2-pt statistics2412.12548v2 · C. Blake, C. Garcia-Quintero, S. Ahlen et al.2024 · 0 citationsarXiv
Measuring the Mean Free Path of HI Ionizing Photons at with DESI Y1 Quasars2411.15838v3 · Anning Gao, Jason X. Prochaska, Zheng Cai et al.2024 · 2 citationsarXiv
Interpreting Multi-band Galaxy Observations with Large Language Model-Based Agents2409.14807v2 · Zechang Sun, Yuan-Sen Ting, Yaobo Liang et al.2024 · 3 citationsarXiv
AstroMLab 1: Who Wins Astronomy Jeopardy!?2407.11194v2 · Yuan-Sen Ting, Tuan Dung Nguyen, Tirthankar Ghosal et al.2024 · 4 citationsarXiv
Probing the cosmic web in Ly emission over large scales: an Intensity Mapping forecast for DECaLS/BASS and DESI2406.18775v2 · Pablo Renard, Daniele Spinoso, Zechang Sun et al.2024 · 6 citationsarXiv
Knowledge Graph in Astronomical Research with Large Language Models: Quantifying Driving Forces in Interdisciplinary Scientific Discovery2406.01391v2 · Zechang Sun, Yuan-Sen Ting, Yaobo Liang et al.2024 · 1 citationarXiv
Blind QSO reconstruction challenge: Exploring methods to reconstruct the Ly emission line of QSOs2404.01556v1 · Bradley Greig, Sarah E. I. Bosman, Frederick B. Davies et al.2024 · 3 citationsarXiv
AstroLLaMA-Chat: Scaling AstroLLaMA with Conversational and Diverse Datasets2401.01916v2 · Ernest Perkowski, Rui Pan, Tuan Dung Nguyen et al.2024 · 7 citationsarXiv
Zephyr : Stitching Heterogeneous Training Data with Normalizing Flows for Photometric Redshift Inference2310.20125v1 · Zechang Sun, Joshua S. Speagle, Song Huang et al.2023 · 1 citationarXiv
Validation of the Scientific Program for the Dark Energy Spectroscopic Instrument2306.06307v3 · A. G. Adame, J. Aguilar, S. Ahlen et al.2023 · 251 citationsarXiv
DESI survey validation data in the COSMOS/HSC field: Cool gas trace main sequence star-forming galaxies at the cosmic noon2302.13357v2 · Siwei Zou, Linhua Jiang, Zheng Cai et al.2023 · 0 citationsarXiv
Quasar Factor Analysis -- An Unsupervised and Probabilistic Quasar Continuum Prediction Algorithm with Latent Factor Analysis2211.11784v2 · Zechang Sun, Yuan-Sen Ting, Zheng Cai2022 · 20 citationsarXiv
The Mass-Metallicity Relation of Dwarf Galaxies at Cosmic Noon from JWST Observations2211.01382v2 · Mingyu Li, Zheng Cai, Fuyan Bian et al.2022 · 52 citationsApJL 955 L18 (2023)
An Unsupervised Learning Approach for Quasar Continuum Prediction2207.02788v1 · Zechang Sun, Yuan-Sen Ting, Zheng Cai2022 · 0 citationsarXiv
Deep Learning of DESI Mock Spectra to Find Damped Ly{\alpha} Systems2201.00827v1 · Ben Wang, Jiaqi Zou, Zheng Cai et al.2022 · 2 citationsarXivon Valency
Career total: 121 works. 22 are in this corpus.
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