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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.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…
astro-ph.SR2024
An Eccentric Binary with a Misaligned Circumbinary Disk
Zhecheng Hu, Wei Zhu, Fei Dai +4
We present spectroscopic and photometric observations of Bernhard-2, which was previously identified as a candidate system to host a misaligned circumbinary disk. Our spectroscopic…