activity
20232026
most citedFrom Halos to Galaxies. VI. Improved halo mass estimation for SDSS groups and measurement of the halo mass function

9 citations · 12 across the 19 of their papers we have counts for

collaborators

19 papers

astro-ph.GA2026

Fountain pattern of baryon cycle revealed in galaxy ecosystems

Chengyu Ma, Yangyao Chen, Enci Wang +11

Baryons in galaxy ecosystems are believed to undergo continuous cycles of inflow and outflow, forming fountain-like patterns that encode key information about how galaxies acquire…

astro-ph.GA2026

No Detectable One-halo Galactic Conformity Signal with Halo-mass Estimates Consistent with Weak-lensing Constraints

Dingyi Zhao, Yingjie Peng, Luis C. Ho +17

One-halo galactic conformity is the tendency for satellites in halos with quenched centrals to have lower star-formation activity than those in halos with star-forming centrals at…

astro-ph.GA2026

Observational Evidence for Anisotropic Metal Excess around Galaxies

Cheqiu Lyu, Enci Wang, Zeyu Chen +4

The exchange of matter and energy between galaxies and their surroundings drives the cosmic baryon cycle, yet mapping metal transport remains an observational challenge. While simu…

astro-ph.GA2026

Cooler Phases of the Circumgalactic Medium Are More Centrally Concentrated: Constraints from Multiphase Absorption Lines

Weiwen Kong, Zeyu Chen, Enci Wang +7

We present a systematic study of the multiphase circumgalactic medium (CGM) around galaxies and quasars, traced by Ca II , Mg II , and C IV $λ…

astro-ph.GA2025

First Statistical Detection of MgII-traced Cool Gas Outflows with JWST Towards Cosmic Dawn

Cheqiu Lyu, Haoran Yu, Enci Wang +9

Galactic-scale outflows are a crucial component of galaxy evolution, yet their properties in the early universe remain poorly constrained. We present the first statistical investig…

astro-ph.GA2025★ 1 cited

Stellar feedback drives the baryon deficiency in low-mass galaxies

Haoran Yu, Enci Wang, Zeyu Chen +8

Stellar feedback, as a key process regulating the baryon cycle, is thought to greatly redistribute baryonic material inside and outside the dark matter halos (DMHs), however the ob…

astro-ph.GA2025

Transition from Outside-in to Inside-Out at : Evidence from Radial Profiles of Specific Star Formation Rate based on JWST/HST

Jie Song, Enci Wang, Cheng Jia +7

By combining high-resolution observations from JWST and HST, we have measured the stellar masses, star formation rates (SFRs), and multi-wavelength morphologies of galaxies in the…

astro-ph.GA2025

Central Concentration and Escape of Ionizing Photons in Galaxies at the Epoch of Reionization

Cheqiu Lyu, Enci Wang, Junxian Wang +9

Compact, low-mass galaxies with strong nebular emission are considered promising candidates for efficient ionizing photon production and escape. We present a spatially resolved ana…

astro-ph.GA2025

The Cosmic Evolution and Spatial Distribution of Multiphase Gas associated with QSOs

Zeyu Chen, Enci Wang, Hu Zou +10

We investigate the multi-phase gas surrounding QSOs traced by 33 absorption lines (e.g., Ly, C\,\textsc{iv}, Fe\,\textsc{ii}, Mg\,\textsc{ii}, etc.) in the stacked spectra of ba…

astro-ph.GA2025

Potential-Driven Metal Cycling: JADES Census of Gas-Phase Metallicity for galaxies at 1 < z < 7

Cheng Jia, Enci Wang, Cheqiu Lyu +9

The gravitational potential is established as a critical determinant of gas-phase metallicity (12+log(O/H)) in low-redshift galaxies, whereas its influence remains unconfirmed at h…

astro-ph.GA2025

The critical role of dark matter halos in driving star formation

Jing Dou, Yingjie Peng, Qiusheng Gu +13

Understanding the physical mechanisms that drive star formation is crucial for advancing our knowledge of galaxy evolution. We explore the interrelationships between key galaxy pro…

astro-ph.GA2025

Central Velocity Dispersion being the Primary Driver of Abundance Patterns in Quenched Galaxies

Haixin Li, Enci Wang, Cheqiu Lyu +6

The element abundances of galaxies provide crucial insights into their formation and evolution. Using high-resolution IFU data from the MaNGA survey, we analyze the central spectra…

astro-ph.GA2025

Dominant Role of Coplanar Inflows in Driving Disk Evolution Revealed by Gas-Phase Metallicity Gradients

Cheqiu Lyu, Enci Wang, Hongxin Zhang +8

Using spatially resolved spectroscopic data from the MaNGA sample, we investigate the parameters influencing the radial gradients of gas-phase metallicity ($\nabla\log(\mathrm{O/H}…

astro-ph.GA2024

The HI reservoir in central spiral galaxies and the implied star formation process

Jing Dou, Yingjie Peng, Qiusheng Gu +14

The cold interstellar medium (ISM) as the raw material for star formation is critical to understanding galaxy evolution. It is generally understood that galaxies stop making stars…

astro-ph.GA2024★ 9 cited

From Halos to Galaxies. VI. Improved halo mass estimation for SDSS groups and measurement of the halo mass function

Dingyi Zhao, Yingjie Peng, Yipeng Jing +18

In CDM cosmology, galaxies form and evolve in their host dark matter (DM) halos. Halo mass is crucial for understanding the halo-galaxy connection. The abundance matching (AM) t…

astro-ph.GA2024★ 2 cited

From Halos to Galaxies. X: Decoding Galaxy SEDs with Physical Priors and Accurate Star Formation History Reconstruction

Zeyu Gao, Yingjie Peng, Kai Wang +18

The spectral energy distribution (SED) of galaxies is essential for deriving fundamental properties like stellar mass and star formation history (SFH). However, conventional method…

astro-ph.GA2024

From Halos to Galaxies. IX. Estimate of Halo Assembly History for SDSS Galaxy Groups

Cheqiu Lyu, Yingjie Peng, Yipeng Jing +15

The properties of the galaxies are tightly connected to their host halo mass and halo assembly history. Accurate measurement of the halo assembly history in observation is challeng…

astro-ph.GA2023

From Halos to Galaxies. VII. The Connections Between Stellar Mass Growth History, Quenching History and Halo Assembly History for Central Galaxies

Cheqiu Lyu, Yingjie Peng, Yipeng Jing +12

The assembly of galaxies over cosmic time is tightly connected to the assembly of their host dark matter halos. We investigate the stellar mass growth history and the chemical enri…

astro-ph.IM2023

A Search for Extraterrestrial Technosignatures in Archival FAST Survey Data Using a New Procedure

Yu-Chen Wang, Zhen-Zhao Tao, Zhi-Song Zhang +4

The "search for extraterrestrial intelligence" (SETI) commensal surveys aim to scan the sky to find possible technosignatures from the extraterrestrial intelligence (ETI). The miti…