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astro-ph.SR2026
S-PLUS: Beyond Spectroscopy IV. Stellar Parameters and Elemental-abundance Ratios for Six Million Stars from DR4 and First Results for the Magellanic Clouds
Yang Huang, Timothy C. Beers, Kai Xiao +18
We combine narrow/medium-band filter photometry from the Southern Photometric Local Universe Survey (S-PLUS) DR4 with ultra broad-band filter photometry from Gaia EDR3 to derive fu…
astro-ph.SR2025
Recalibration of the Landolt UBVRI Standard Stars and the Generation of 5.4 Million New UBVRI Standard Stars using LAMOST and Gaia
Bowen Huang, Haibo Yuan, Kai Xiao +1
We present an independent validation and recalibration of the Landolt 2013 (celestial equator and ) and 2016 () standard stars in the Johnson $UBV…
astro-ph.SR2024
Stellar Loci. VIII. Photometric Metallicities for 100 Million Stars Based on Synthetic Gaia Colors
Bowen Huang, Haibo Yuan, Shuai Xu +4
We apply the stellar locus method to synthetic and colors derived from corrected Gaia BP/RP (XP) spectra to obtain precise estimates of metallicity…