Ultracool dwarf Science with MachIne LEarning (USMILE). I. Scalable Tree-Based Models for Photometric Spectral Classification and New Discoveries from LSST Data Preview 1 and Euclid Quick Data Release 1

This dataset contains a FITS table of the ultracool dwarf discoveries and candidates identified from LSST Data Preview 1 and Euclid Quick Data Release 1, along with a README file. These materials are presented in the paper "Ultracool dwarf Science with MachIne LEarning (USMILE). I. Scalable Tree-Based Models for Photometric Spectral Classification and New Discoveries from LSST Data Preview 1 and Euclid Quick Data Release 1" (Zhang & Li 2025) for publication by the Astronomical Journal. Please cite this paper and the Zenodo repository if this associated FITS table is used in your work.