Q3C: A PostgreSQL package for spatial queries and cross-matches of large astronomical catalogs
Abstract
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.
- Publication:
-
Astrophysics Source Code Library
- Pub Date:
- May 2019
- Bibcode:
- 2019ascl.soft05008K
- Keywords:
-
- Software