activity
20232026
most citedCandidate Members of the VMP/EMP Disk System of the Galaxy from the SkyMapper and SAGES Surveys

19 citations · 38 across the 13 of their papers we have counts for

collaborators

13 papers

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.HE2026

Spectral Dataset of Stripped-Envelope Supernovae from the Tsinghua Supernova Group

Danfeng Xiang, Xiaofeng Wang, Jujia Zhang +40

The extent of envelope stripping in the progenitor stars is directly reflected in the diversity of spectral features observed in stripped-envelope supernovae (SESNe). Through exten…

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★ 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.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.SR2025★ 6 cited

Photometric-Metallicity and Distance Estimates for 70,000 RR Lyrae Stars from the Zwicky Transient Facility

Shunxuan He, Yang Huang, XinYi Li +5

Utilizing Zwicky Transient Facility (ZTF) data and existing RR Lyrae stars (RRLs) catalogs, this study achieves the first calibration of the a…

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.GA2024

The Stellar Abundances and Galactic Evolution Survey (SAGES) III -- The g/r/i-band Data Release

Chun Li, Zhou Fan, Gang Zhao +15

The Stellar Abundances and Galactic Evolution Survey (SAGES) is a multi-band survey that covers the northern sky area of ~12000 deg2. Nanshan One-meter Wide-field Telescope (NOWT)…

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…

astro-ph.HE2024

A spectral data release for 104 Type II Supernovae from the Tsinghua Supernova Group

Han Lin, Xiaofeng Wang, Jujia Zhang +33

We present 206 unpublished optical spectra of 104 type II supernovae obtained by the Xinglong 2.16m telescope and Lijiang 2.4m telescope during the period from 2011 to 2018, spanni…

astro-ph.GA2023★ 19 cited

Candidate Members of the VMP/EMP Disk System of the Galaxy from the SkyMapper and SAGES Surveys

Jihye Hong, Timothy C. Beers, Young Sun Lee +15

Photometric stellar surveys now cover a large fraction of the sky, probe to fainter magnitudes than large-scale spectroscopic surveys, and are relatively free from the target-selec…