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[ascl:1905.008] Q3C: A PostgreSQL package for spatial queries and cross-matches of large astronomical catalogs

Q3C (Quad Tree Cube) enables fast cone, ellipse and polygonal searches and cross-matches between large astronomical catalogs inside a PostgreSQL database. The package supports searches even if objects have proper motions.

Code site:
https://github.com/segasai/q3c
Used in:
https://ui.adsabs.harvard.edu/abs/2018ApJS..236....4W
Described in:
https://ui.adsabs.harvard.edu/abs/2006ASPC..351..735K
Bibcode:
2019ascl.soft05008K

Views: 368

ascl:1905.008
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