activity
20232026
most citedAccurately Estimating Redshifts from CSST Slitless Spectroscopic Survey using Deep Learning

6 citations · 10 across the 17 of their papers we have counts for

collaborators

17 papers

astro-ph.HE2026

Constraints on Axion-like Dark Matter from Cosmic Birefringence with a Polarization Array of Repeating Fast Radio Bursts

Xiaohui Liu, Zi-Yan Yuwen, Yun-Long Zhang +5

Axion-like dark matter (ALDM) is a well-motivated dark matter candidate whose Chern-Simons coupling to photons can induce cosmic birefringence, producing temporal oscillations and…

astro-ph.IM2026

Foreground Subtraction with a Tensor-Based Oriented Singular Value Decomposition Method for HI Experiments

Shifan Zuo, Xuelei Chen, Yi Mao

We introduce a native tensor-based framework for foreground mitigation in 21\,cm intensity mapping (IM), utilizing the Oriented Singular Value Decomposition (O-SVD) algorithm. Whil…

astro-ph.CO2026

Wedge-avoidance Fisher Forecasts for Primordial Features from Dark-Ages 21-cm Power Spectrum and Bispectrum

Chen Zhang, Furen Deng, Yidong Xu +3

The Dark Ages offer a uniquely clean window on primordial physics, making the redshifted 21-cm signal a promising probe of inflation models. Forecasts for interferometric 21-cm mea…

astro-ph.CO2026

Exploring Primordial Non-Gaussianity Measurements in the CSST Spectroscopic Survey

Jiangnan Duan, Yan Gong, Qi Xiong +5

Primordial non-Gaussianity (PNG) is a fundamental probe of the physics of the early Universe and inflation. Here we present a comprehensive study of the constraints on the local-ty…

astro-ph.CO2026

Probing Baryonic Feedback Effect with CSST Weak Lensing and Future FRB Measurements

Shuai Feng, Yan Gong, Qi Xiong +4

We explore the joint probe on the baryonic feedback effect using the weak lensing measurement from the upcoming Chinese Space-station Survey Telescope (CSST) photometric survey and…

astro-ph.CO2026

A Designer's Guide to Lunar Far-Side Interferometer Array: Power Spectrum Measurement and Cosmological Constraints from the Dark Ages

Yuewei Wen, Bin Yue, Yidong Xu +4

The 21-cm emission line from neutral hydrogen during the cosmic Dark Ages can be a powerful probe of cosmological models and early universe physics. This work provides a quantitati…

astro-ph.CO2025

Forecasting Constraint on Primordial Black Hole Properties with the CSST pt Analysis

Dingao Hu, Yan Gong, Pengfei Su +4

This study forecasts the constraints on the properties of primordial black holes (PBHs) as a cold dark matter component using the galaxy clustering, weak lensing, and galaxy-galaxy…

astro-ph.CO2025

Supernova Classification using the Recurrent Neural Network in the CSST Ultra-Deep Field Survey

Minglin Wang, Yan Gong, Dejia Zhou +1

We study supernova (SN) classification using the Recurrent Neural Networks (RNNs) within the Chinese Space-station Survey Telescope Ultra-Deep Field (CSST-UDF) photometric survey a…

astro-ph.CO2024

Cosmological Prediction of the Void and Galaxy Clustering Measurements in the CSST Spectroscopic Survey

Yingxiao Song, Qi Xiong, Yan Gong +10

The void power spectrum is related to the clustering of low-density regions in the large-scale structure (LSS) of the Universe, and can be used as an effective cosmological probe t…

astro-ph.CO2024

Forecasting Constraint on the Theory with the CSST SN Ia and BAO Surveys

Jun-Hui Yan, Yan Gong, Minglin Wang +2

The modified gravity theory can explain the accelerating expansion of the late Universe without introducing dark energy. In this study, we predict the constraint strength on…

astro-ph.CO2024★ 6 cited

Accurately Estimating Redshifts from CSST Slitless Spectroscopic Survey using Deep Learning

Xingchen Zhou, Yan Gong, Xin Zhang +10

Chinese Space Station Telescope (CSST) has the capability to conduct slitless spectroscopic survey simultaneously with photometric survey. The spectroscopic survey will measure sli…

astro-ph.CO2024★ 3 cited

Reionization Parameter Inference from 3D Minkowski Functionals of the 21 cm Signals

Kangning Diao, Zhaoting Chen, Xuelei Chen +1

The Minkowski Functionals (MFs), a set of topological summary statistics, have emerged as a powerful tool for extracting non-Gaussian information. We investigate the prospect of co…

astro-ph.CO2024

Velocity acoustic oscillations on Cosmic Dawn 21 cm power spectrum as a probe of small-scale density fluctuations

Xin Zhang, Hengjie Lin, Meng Zhang +4

We investigate the feasibility of using the velocity acoustic oscillations (VAO) features on the Cosmic Dawn 21 cm power spectrum to probe small-scale density fluctuations. In the…

astro-ph.CO2024

Cosmological Forecast of the Void Size Function Measurement from the CSST Spectroscopic Survey

Yingxiao Song, Qi Xiong, Yan Gong +11

Void size function (VSF) contains information of the cosmic large-scale structure (LSS), and can be used to derive the properties of dark energy and dark matter. We predict the VSF…

astro-ph.CO2024

Cosmological Prediction of the CSST Ultra Deep Field Type Ia Supernova Photometric Survey

Minglin Wang, Yan Gong, Furen Deng +3

Type Ia supernova (SN Ia) as a standard candle is an ideal tool to measure cosmic distance and expansion history of the Universe. Here we investigate the SN Ia photometric measurem…

astro-ph.CO2023

Forecasting the BAO Measurements of the CSST galaxy and AGN Spectroscopic Surveys

Haitao Miao, Yan Gong, Xuelei Chen +3

The spectroscopic survey of China's Space Survey Telescope (CSST) is expected to obtain a huge number of slitless spectra, including more than one hundred million galaxy spectra an…

astro-ph.CO2023★ 1 cited

Constraining Ultralight Axions with CSST Weak Gravitational Lensing and Galaxy Clustering Photometric Surveys

Hengjie Lin, Furen Deng, Yan Gong +1

Ultralight axion (ULA) can be one of the potential candidates for dark matter. The extremely low mass of the ULA can lead to a de Broglie wavelength the size of galaxies which resu…