license: apache 2.0 size categories: 1B<n task categories: tabular classification feature extraction tags: astronomy astrophysics gaia dr3 stellar data space Gaia DR3: A Billion Star Dataset for Galactic Analysis This dataset is a high fidelity, pre processed collection of over 1 Billion stellar records derived from the European Space Agency (ESA) Gaia Mission (Data Release 3) . It is specifically curated for large scale galactic archaeology, 3D mapping, and training advanced machine learning models like SADIM V2 77M . 1. Dataset Overview The dataset provides a comprehensive snapshot of the Milky Way, covering astrometric, kinematic, and photometric parameters. It has been optimized for high performance computing and AI driven astronomical frameworks. 2. Feature Schema (13 Core Parameters) The dataset is structured with 13 essential features for understanding stellar dynamics: Feature Name Data Type Scientific Description : : : source id int64 Unique Gaia DR3 identifier for each stellar source. ra / dec float64 Equatorial Coordinates: Right Ascension & Declination. l / b float64 Galactic Coordinates: Longitude & Latitude relative to the Galaxy. pmra / pmdec float64 Proper Motion: A…
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