CURRICULUM VITAE · SEPTEMBER 2026
Yongming Liang 梁永明
ICRR Fellow
Institute for Cosmic Ray Research, The University of Tokyo
ymliang@icrr.u-tokyo.ac.jp · ORCID · researchmap
Research interests
Galaxy evolution; the galaxy–IGM connection; quasars and supermassive black holes; protoclusters and large-scale structure; high-redshift galaxies and cosmic reionization.
Appointments
- 2025-10–present · ICRR Fellow
ICRR, The University of Tokyo - 2024-10–2025-09 · Project Researcher
National Astronomical Observatory of Japan - 2022-10–2024-09 · Project Researcher
ICRR, The University of Tokyo - Jan–Feb 2024 · Visiting Researcher
University of Milano-Bicocca; host: Sebastiano Cantalupo
Education
- 2017–2022 · Ph.D., SOKENDAI
Astronomy research based at NAOJ. Thesis: Correlation between galaxy and IGM H I at z ≈ 2 mapped by Subaru/HSC. Supervisors: Nobunari Kashikawa and Masayuki Tanaka. - 2013–2017 · Bachelor's degree in astronomy
University of Science and Technology of China. Supervisor: Junxian Wang.
Research funding
- 2024–2027 · Principal Investigator · JSPS KAKENHI 24K17084
Early-Career Scientists. Elucidating the Trigger and Feedback Mechanisms of the Most Concentrated Quasars at Cosmic Noon. JPY 4,550,000 including indirect costs; JPY 3,500,000 direct. - 2025–2030 · Co-Investigator · JSPS KAKENHI 25H00663
Scientific Research (A). Galaxy Overdense Regions in the Distant Universe Revealed by Wide-Area Sky Survey and TAO. PI: Nobunari Kashikawa. Chandra Cycle 27 · Science PI · Associated U.S. observing grant
US$61,320 approved for U.S. investigators. U.S. administrative PI: Martin Elvis (CfA).
Observing time
Telescope time for PI-led projects and collaborations · 2018–2026
| Telescope | PI | Co-I / collaborator |
|---|---|---|
| Chandra | 340 ks | 120 ks |
| Subaru | 9 nights | 22 nights |
| Keck | ½ night | 8 nights |
| Magellan | 1 night | 2 nights |
| Blanco 4-m | 7 nights | — |
| Hubble | — | 2 orbits |
| JWST | — | 161 h |
| Roman | — | 1 Analysis program |
| JCMT | 61 h | — |
| ALMA | 30 h | 31 h |
| NOEMA | 10 h | — |
| VLA | — | 9 h |
| MeerKAT | — | 20 h |
| uGMRT | — | 39 h |
Professional service & membership
- Journal referee: Astronomy & Astrophysics (A&A), The Astrophysical Journal (ApJ), and Nature Astronomy.
- JCMT Time Allocation Committee, September 2023–November 2025.
- International Astronomical Union member, since June 2024.
- Astronomical Society of Japan member, since October 2017.
03 / PUBLICATIONS
Papers & preprints
34 refereed articles · 4 preprints
2026
Subaru meets JWST: A Direct Measurement of Lyα Escape Fraction at z ≃ 6.2 with Dual Narrow-Band Imaging
arXiv:2607.08264
JWST COSMOS-3D: Spectroscopic census and luminosity function of [O III] emitters at 6.75 < z < 9.05 in COSMOS
A&A, 712, A16
Prime Focus Spectrograph on the Subaru Telescope: Overview of Science Operations
arXiv:2606.14012
Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) — XXV. Large-scale environments of low-luminosity quasars at z ∼ 6 traced by Lyα emitters
MNRAS, 549, stag784
Cosmic Himalayas in CROCODILE: Probing the Extreme Quasar Overdensities by Count-in-cells Analysis and Nearest-neighbor Distribution
ApJ, 1001, 172
A Python-Based Peeling Framework for Radio Interferometry: Application to uGMRT 650MHz Imaging
arXiv:2603.10758
Deeper detection limits in astronomical imaging using self-supervised spatiotemporal denoising
Science, 392, eady9404
2025
Little red dot variability over a century reveals black hole envelope via a giant Einstein cross
arXiv:2512.05180
RIDEN pilot survey: broad-band selection of candidate quasars with extended Lyman-α nebulae using CLAUDS–HSC-SSP–DUNES² joint data
MNRAS, 540, 3565–3582
Cosmic Himalayas: The Highest Quasar Density Peak Identified in a 10,000 deg² Sky with Spatial Discrepancies between Galaxies, Quasars, and IGM H I
ApJ, 986, 60
SILVERRUSH. XIV. Lyα Luminosity Functions and Angular Correlation Functions from ∼20,000 Lyα Emitters at z ∼ 2.2–7.3 from up to 24 deg² HSC-SSP and CHORUS Surveys: Linking the Postreionization Epoch to the Heart of Reionization
ApJS, 277, 37
The Physical Origin of Extreme Emission Line Galaxies at High Redshifts: Strong [O III] Emission Lines Produced by Obscured Active Galactic Nuclei
ApJ, 982, 27
MAMMOTH-Subaru. IV. Large Scale Structure and Clustering Analysis of Lyα Emitters and Lyα Blobs at z = 2.2–2.3
ApJ, 981, 70
Predicting Lyα emission from distant galaxies with neural network architecture
MNRAS, 536, 3386–3400
2024
MAMMOTH-Subaru. II. Diverse Populations of Circumgalactic Lyα Nebulae at Cosmic Noon
ApJS, 275, 27
Mining for Protoclusters at z ∼ 4 from Photometric Data Sets with Deep Learning
ApJ, 977, 81
Lyα Imaging around the Hyperluminous Dust-obscured Quasar W2246–0526 at z = 4.6
ApJ, 972, 51
MAMMOTH-Subaru. V. Effects of Cosmic Variance on Lyα Luminosity Functions at z = 2.2–2.3
ApJ, 961, 102
MAMMOTH-Subaru. III. Lyα Halo Identified by Stacking ∼3300 Lyα Emitters at z = 2.2–2.3
ApJ, 961, 63
2023
SILVERRUSH. XIII. A Catalog of 20,567 Lyα Emitters at z = 2–7 Identified in the Full-depth Data of the Subaru/HSC-SSP and CHORUS Surveys
ApJS, 268, 24
Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XVIII. The Dark Matter Halo Mass of Quasars at z ∼ 6
ApJ, 954, 210
COSMOS2020: Discovery of a Protocluster of Massive Quiescent Galaxies at z = 2.77
ApJL, 945, L9
2022
The physical origin for spatially large scatter of IGM opacity at the end of reionization: The IGM Lyα opacity-galaxy density relation
MNRAS, 515, 5914–5926
Third data release of the Hyper Suprime-Cam Subaru Strategic Program
PASJ, 74, 247–272
CHORUS. IV. Mapping the Spatially Inhomogeneous Cosmic Reionization with Subaru HSC
ApJ, 927, 32
A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). VI. Distant Filamentary Structures Pointed Out by High-z Radio Galaxies at z ∼ 4
ApJ, 926, 76
2021
Interrelation of the Environment of Lyα Emitters and Massive Galaxies at 2 < z < 4.5
ApJ, 916, 35
Probing Feedback via IGM tomography and the Lyα Forest with Subaru PFS, TMT/ELT, and JWST
ApJ, 914, 66
SILVERRUSH X: Machine Learning-aided Selection of 9318 LAEs at z = 2.2, 3.3, 4.9, 5.7, 6.6, and 7.0 from the HSC SSP and CHORUS Survey Data
ApJ, 911, 78
Evidence for GN-z11 as a luminous galaxy at redshift 10.957
Nature Astronomy, 5, 256–261
Statistical Correlation between the Distribution of Lyα Emitters and Intergalactic Medium H I at z ∼ 2.2 Mapped by the Subaru/Hyper Suprime-Cam
ApJ, 907, 3
2020
CHORUS. I. Cosmic HydrOgen Reionization Unveiled with Subaru: Overview
PASJ, 72, 101
Faint Quasars Live in the Same Number Density Environments as Lyman Break Galaxies at z ∼ 4
ApJ, 905, 125
Subaru High-z Exploration of Low-luminosity Quasars (SHELLQs). XI. Proximity Zone Analysis for Faint Quasar Spectra at z ∼ 6
ApJ, 903, 60
The UV Luminosity Function of Protocluster Galaxies at z ∼ 4: The Bright-end Excess and the Enhanced Star Formation Rate Density
ApJ, 899, 5