Catalog of stellar atmospheric parameters J/A+A/698/A322 ivo://CDS.VizieR/J/A+A/698/A322 doi:10.26093/cds/vizier.36980322 CDS Li S. Wu F. Bu Y. Zhang M. Zhang J. Yi Z. Liu M. Kong X. 2025-10-10T20:01:20Z 2025-06-26T08:11:31Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr ccd-photometry metallicity effective-temperature The precise determination of stellar atmospheric parameters (effective temperature T_eff_, surface gravity log g, and metallicity [Fe/H]) serves as a cornerstone for Galactic studies. This work aims to develop a novel deep learning-based approach, the Atmospheric CSWin Framework (ACF), to measure these parameters with high precision. The ACF employs a dual-input architecture that combines astrometric data (parallaxes and their corresponding errors) from Gaia Early Data Release 3 with photometric images from the fourth data release (DR4) of the SkyMapper Southern Survey (SMSS). The framework utilizes a CSWin Transformer backbone for hierarchical feature extraction from photometric images, integrated with Monte Carlo dropout in the prediction module for robust uncertainty quantification. Trained on cross-matched stars between SMSS DR4 and the third data release of the Galactic Archaeology with HERMES spectroscopic survey, ACF achieves parameter estimates with dispersions of 95.02K for T_eff_, 0.07dex for logg, and 0.14dex for [Fe/H]. Systematic experiments demonstrate: (1) Incorporating parallax information significantly improves the precision of all three parameters, especially logg; (2) Our image-based methods outperform traditional approaches relying on stellar magnitudes or colors, with improvements ranging from 2% to 14%; (3) The ACF achieves parameter estimates approaching those of high-resolution spectroscopic analyses; (4) Our framework remains effective even for low-quality samples, showcasing its robustness and generalizability. Using the ACF, we compiled a comprehensive catalog of atmospheric parameters for one million SMSS DR4 stars. 2025A&A...698A.322L https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/698/A322 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/379 : SkyMapper Southern Sky Survey. DR4 (Onken+, 2024) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/698/A322 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/698/A322 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/698/A322 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/698/A322 https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/698/A322 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/698/A322 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/A+A/698/A322/catalog (Catalog of stellar atmospheric parameters) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/698/A322/catalog? https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/698/A322/catalog? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/698/A322/catalog? 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47869 47871 48040-48041 48043 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/698/A322?format=ascii default J/A+A/698/A322/catalog Catalog of stellar atmospheric parameters recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int ObjectId Global unique object ID in SMSS DR4 master table (Cat. II/379) meta.id;meta.main RAICRS Mean ICRS Right Ascension of the object (ICRS, Ep=J2000) deg pos.eq.ra;meta.main indexed DEICRS Mean ICRS Declination of the object (ICRS, Ep=J2000) deg pos.eq.dec;meta.main indexed e_RAICRS RMS variation around the mean Right Ascension mas stat.error;pos.eq.ra int e_DEICRS RMS variation around the mean Declination mas stat.error;pos.eq.dec int GLON Galactic longitude derived from ICRS coordinates deg pos.galactic.lon GLAT Galactic latitude derived from ICRS coordinates deg pos.galactic.lat double Teff Effective temperature K phys.temperature.effective double e_Teff Uncertainty of effective temperature K stat.error;phys.temperature.effective double logg Surface gravity log(cm.s**-2) phys.gravity float e_logg Uncertainty of surface gravity log(cm.s**-2) stat.error float [Fe/H] Metallicity log(Sun) phys.abund.Z float e_[Fe/H] Uncertainty of metallicity log(Sun) stat.error;phys.abund.Fe float plx Parallax from Gaia EDR3 mas pos.parallax.trig float e_plx Uncertainty of parallax from Gaia EDR3 mas stat.error;pos.parallax float