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20212026
most citedStellar Loci V: Photometric Metallicities of 27 Million FGK Stars based on Gaia Early Data Release 3

30 citations · 72 across the 19 of their papers we have counts for

collaborators

19 papers

astro-ph.SR2026

Photometric Distances for Metal-poor Giants and a Search for Hypervelocity Stars with LAMOST DR13 and Gaia DR3

Shuai Xu, Haibo Yuan, Bowen Huang +2

Hypervelocity stars (HVSs) are stars with velocities high enough to escape the Milky Way, but their identification depends sensitively on distance estimates, particularly for dista…

astro-ph.IM2026

A Large and Precise All-Sky Photometric Standard Star Dataset Across More Than 200 Passbands

Kai Xiao, Yang Huang, Haibo Yuan +12

High-precision photometric standard stars play a key role in enabling accurate photometric calibration and advancing various fields of astronomy. However, due to limitations in cal…

astro-ph.SR2025

Stellar Loci. IX. Estimation of Stellar Parameters from CSST-like Photometry

Xue Lu, Haibo Yuan, Kai Xiao +5

The China Space Station Telescope (CSST) will conduct a deep and wide imaging survey in the NUV-, u-, g-, r-, i-, z-, and y-bands. In this work, using theoretical data synthesized…

astro-ph.GA2025

Additional Evidence for the Existence of a Primordial Disk System

Shuai Xu, Haibo Yuan, Bowen Huang +7

The origin of very metal-poor (VMP; [Fe/H] ) stars on planar orbits has been the subject of great attention since their first discovery. However, prior to the release of…

astro-ph.SR2025

Metallicities of 20 Million Giant Stars Based on Gaia XP spectra

Lin Yang, Haibo Yuan, Bowen Huang +8

We design an uncertainty-aware cost-sensitive neural network (UA-CSNet) to estimate metallicities from dereddened and corrected Gaia BP/RP (XP) spectra for giant stars. This method…

astro-ph.GA2025

The Vertical Metallicity Gradient of the Galactic Disk for Mono-Age Stellar Populations in LAMOST

Gaohuan Long, Haibo Yuan, Shuai Xu +3

The vertical metallicity gradient of the Galactic disk offers valuable insights into the disk's formation and chemical evolution over time. We utilized the LAMOST-LRS young stellar…

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.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.SR2024

Filter Design for Estimation of Stellar Metallicity: Insights from Experiments with Gaia XP Spectra

Kai Xiao, Bowen Huang, Yang Huang +11

We search for an optimal filter design for the estimation of stellar metallicity, based on synthetic photometry from Gaia XP spectra convolved with a series of filter-transmission…

astro-ph.IM2024

A star-based method for precise flux calibration of the Chinese Space Station Telescope (CSST) slitless spectroscopic survey

Lin Yang, Haibo Yuan, Fuqing Duan +5

The upcoming Chinese Space Station Telescope (CSST) slitless spectroscopic survey poses a challenge of flux calibration, which requires a large number of flux-standard stars. In th…

astro-ph.IM2024

A comprehensive correction of the Gaia DR3 XP spectra

Bowen Huang, Haibo Yuan, Maosheng Xiang +7

By combining spectra from the CALSPEC and NGSL, as well as spectroscopic data from the LAMOST Data Release 7 (DR7), we have analyzed and corrected the systematic errors of the Gaia…

astro-ph.SR2023★ 1 cited

Stellar Loci. VII. Photometric Metallicities of 5 Million FGK Stars Based on GALEX GR6+7 AIS and Gaia EDR3

Xue Lu, Haibo Yuan, Shuai Xu +5

We combine photometric data from GALEX GR6+7 AIS and Gaia EDR3 with stellar parameters from the SAGA and PASTEL catalogs to construct high-quality training samples for dwarfs ($\rm…

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…

astro-ph.SR2023

J-PLUS: Photometric Re-calibration with the Stellar Color Regression Method and an Improved Gaia XP Synthetic Photometry Method

Kai Xiao, Haibo Yuan, C. Lopez-Sanjuan +19

We employ the corrected Gaia Early Data Release 3 (EDR3) photometric data and spectroscopic data from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) DR7 to…

astro-ph.IM2023★ 1 cited

S-PLUS: Photometric Re-calibration with the Stellar Color Regression Method and an Improved Gaia XP Synthetic Photometry Method

Kai Xiao, Yang Huang, Haibo Yuan +11

We present a comprehensive re-calibration of medium- and broad-band photometry from the Southern Photometric Local Universe Survey (S-PLUS) by leveraging two approaches: an improve…

astro-ph.IM2023

Improvement of the Pan-STARRS Photometric Calibration with LAMOST and Gaia

Kai Xiao, Haibo Yuan, Bowen Huang +3

In this work, we perform the re-calibration of PS1 photometry by correcting for position-dependent systematic errors using the spectroscopy-based Stellar Color Regression method (S…

astro-ph.SR2023★ 11 cited

Photometric calibration of the Stellar Abundance and Galactic Evolution Survey (SAGES): Nanshan One-meter Wide-field Telescope g, r, and i band imaging data

Kai Xiao, Haibo Yuan, Bowen Huang +16

In this paper, a total of approximately 2.6 million dwarfs were constructed as standard stars, with an accuracy of about 0.01-0.02 mag for each band, by combining spectroscopic dat…

astro-ph.SR2022★ 9 cited

Stellar Loci VI: An Updated Catalog of the Best and Brightest Metal-poor Stars

Shuai Xu, Haibo Yuan, Ruoyi Zhang +3

We employ Gaia, 2MASS, and ALLWISE photometry, as well as astrometric data from Gaia, to search for relatively bright very metal-poor ([Fe/H] ; VMP) giant star candidates u…

astro-ph.SR2021★ 30 cited

Stellar Loci V: Photometric Metallicities of 27 Million FGK Stars based on Gaia Early Data Release 3

Shuai Xu, Haibo Yuan, Zexi Niu +3

We combine LAMOST DR7 spectroscopic data and Gaia EDR3 photometric data to construct high-quality giant (0.7 1.4) and dwarf (0.5 1.5) samples in the hi…