activity
20242026
most citedThe Mini-SiTian Array: first-two-year operation

12 citations · 14 across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.IM2026

Impact of Satellite Constellations on Observations with the 80-cm Telescope and the Mini-SiTian at the Xinglong Observatory, NAOC

Jing Ren, Zhou Fan, Hong-rui Gu +6

The rapid development of mega-constellations in low Earth orbit (LEO) severely impacts ground-based optical astronomical observations. By combining WorldWide Telescope (WWT) simula…

astro-ph.SR2026

The Stellar Abundances and Galactic Evolution Survey (SAGES). V. The First Data Release of the DDO51 Band

Qiqian Zhang, Zhou Fan, Gang Zhao +20

We present the first public data release of DDO51 band from the Stellar Abundances and Galactic Evolution Survey (SAGES), based on Nanshan One-meter Wide-field Telescope (NOWT) obs…

astro-ph.GA2026

The multiple corrugations in the Galactic disk derived from the LAMOST and Gaia survey data

Jifei Wang, Zhuohan Li, Chengdong Li +6

Large spectroscopic and astrometric surveys have revealed complex wave-like features in the Milky Way disk, suggesting that its kinematic and chemical structures are shaped by time…

astro-ph.SR2026

Filter Design for Estimating the Stellar Metallicity of Metal-poor Stars from Gaia XP Spectra

Ruifeng Shi, Yang Huang, Kai Xiao +5

The estimation of stellar atmospheric parameters for large-scale samples, particularly metal-poor stars, is a cornerstone of Galactic archaeology. In this work, we optimized a phot…

astro-ph.IM2025

Slitless Spectroscopy Source Detection Using YOLO Deep Neural Network

Xiaohan Chen, Man I Lam, Yingying Zhou +6

Slitless spectroscopy eliminates the need for slits, allowing light to pass directly through a prism or grism to generate a spectral dispersion image that encompasses all celestial…

astro-ph.SR2025

Photometric Analysis of 30 Contact Binaries in M31

Xiang Gao, Kai Li, Li-Heng Wang +3

M31, as the largest galaxy in the Local Group, is of significant importance for the study of stellar formation and evolution. Based on the data of 5,859 targets observed in M31 by…

cs.CV2025

Artificial Satellite Trails Detection Using U-Net Deep Neural Network and Line Segment Detector Algorithm

Xiaohan Chen, Hongrui Gu, Cunshi Wang +6

With the rapid increase in the number of artificial satellites, astronomical imaging is experiencing growing interference. When these satellites reflect sunlight, they produce stre…

astro-ph.SR2025★ 1 cited

The Stellar Abundances and Galactic Evolution Survey (SAGES). IV. Surface Gravity Estimation and Giant-Dwarf Separation with the DDO51 Filter

Qiqian Zhang, Zhou Fan, Gang Zhao +16

Reliable estimation of stellar surface gravity (log ) for a large sample is crucial for evaluating stellar evolution models and understanding galactic structure; However, it is…

astro-ph.IM2025

The Mini-SiTian Array: Evaluation Camera System

Yu Zhang, Lin Du, Yi Hu +7

The Mini-SiTian project, which is the pathfinder for the SiTian project, utilizes three 30 cm telescopes equipped with commercial CMOS cameras (ZWO ASI6200MM Pro) to simulate large…

astro-ph.IM2025

The Mini-SiTian Array: Imaging Processing Pipeline

Kai Xiao, Zhirui Li, Yang Huang +19

As a pathfinder of the SiTian project, the Mini-SiTian (MST) array, employed three commercial CMOS cameras, represents a next-generation, cost-effective optical time-domain survey…

astro-ph.HE2025

Searching for kilonova with the SiTian prototype telescope

Zhirui Li, Hongrui Gu, Yongkang Sun +3

We simulate the optical searching of gravitational-wave electromagnetic counterpart of the binary neutron star (BNS) merger event (i.e., a kilonova) using the ground based {\it SiT…

astro-ph.IM2025★ 12 cited

The Mini-SiTian Array: first-two-year operation

Min He, Hong Wu, Liang Ge +70

The SiTian project, designed to utilize 60 telescopes distributed across multiple sites in China, is a next-generation time-domain survey initiative. As a pathfinder for the SiTian…

astro-ph.EP2025

The Mini-SiTian Array: Light Curves Analysis of Asteroids

Zhaoxing Liu, Jian Gao, Hongrui Gu +6

The SiTian project, with its vast field of view, will become an ideal platform for asteroid scientific research. In this study, we develop a pipeline to analyze the photometry of a…

astro-ph.IM2025

The Mini-SiTian Array: White Paper

Henggeng Han, Yang Huang, Beichuan Wang +11

This paper outlines the scientific goals and observational strategies of the Mini-SiTian array. Mounted at Xinglong Observatory, the Mini-SiTian array consists of three 30 cm teles…

astro-ph.IM2025

The Mini-SiTian Array: the mini-SiTian Realtime Image Processing pipeline (STRIP)

Hongrui Gu, Yang Huang, Yongkang Sun +10

This paper provides a comprehensive introduction to the Mini-SiTian Real-Time Image Processing pipeline (STRIP) and evaluates its operational performance. The STRIP pipeline is spe…

astro-ph.IM2025

The Mini-SiTian Array: real-bogus classification using deep learning

Jing-Hang Shi, Hong-Rui Gu, Yang Huang +2

The Mini-SiTian (MST) project is a pathfinder for China's next-generation large-scale time-domain survey, SiTian, aimed at discovering variable stars, transients, and explosive eve…

astro-ph.IM2025★ 1 cited

Calibration of Complementary Metal-oxide-semiconductor Sensor-based Photometry to a Few-millimagnitude Precision: The Case of the Mini-SiTian Array

Kai Xiao, Yang Huang, Haibo Yuan +14

We present a pioneering achievement in the high-precision photometric calibration of CMOS-based photometry, by application of the Gaia BP/RP (XP) spectra-based synthetic photometry…

astro-ph.SR2025

"Frog-eyes" in Astronomy: Monitoring Binary Radial Velocity Variations Through A Pair of Narrow-Band Filters

Chuanjie Zheng, Yang Huang, Jifeng Liu +13

Spectroscopic observations are a crucial step in driving major discoveries in the era of time-domain surveys. However, the pace of current spectroscopic surveys is increasingly una…

astro-ph.SR2025

The Stellar Abundances and Galactic Evolution Survey (SAGES). II. Machine Learning-Based Stellar parameters for 21 million stars from the First Data Release

Hongrui Gu, Zhou Fan, Gang Zhao +14

Stellar parameters for large samples of stars play a crucial role in constraining the nature of stars and stellar populations in the Galaxy. An increasing number of medium-band pho…

astro-ph.GA2025

The S-PLUS Ultra-Short Survey: Photometric Re-calibration with the BEst STar Database

Xiaolu Li, Kai Xiao, Yang Huang +15

We present an independent validation and comprehensive re-calibration of S-PLUS Ultra-Short Survey (USS) DR1 12-band photometry using about 30,000--70,000 standard stars from the B…

astro-ph.HE2025

The Mini-SiTian Array: Prospects of Searching for Tidal Disruption Events

Bei-chuan Wang, Jun-jie Jin, Yu Zhang +14

We assess the detectability of tidal disruption events (TDEs) using mock observations from the Mini-SiTian array. We select 100 host galaxy samples from a simulated galaxy catalog…

astro-ph.SR2024

Photometric Stellar Parameters for 195,478 Kepler Input Catalog (KIC) Stars

Bowen Zhang, Yang Huang, Timothy C. Beers +9

The stellar atmospheric parameters and physical properties of stars in the Kepler Input Catalog (KIC) are of great significance for the study of exoplanets, stellar activity, and a…

astro-ph.SR2024

J-PLUS: Beyond Spectroscopy III. Stellar Parameters and Elemental-abundance Ratios for Five Million Stars from DR3

Yang Huang, Timothy C. Beers, Kai Xiao +24

We present a catalog of stellar parameters (effective temperature , surface gravity , age, and metallicity [Fe/H]) and elemental-abundance ratios ([C/Fe], [Mg/…

astro-ph.SR2024

Searching for short-period variables in M31: method and catalogs

Hongrui Gu, Haibo Yuan, Subo Dong +6

Utilizing high-cadence and continuous g- and r-band data over three nights acquired from the 3.6-meter Canada France Hawaii Telescope (CFHT) aimed to find short-duration microlensi…