SkyServer: Table Descriptions
Table Descriptions
DR7 Stripe 82 Help
 Site News
 Cooking with Sloan
 Search Form Guide
 SQL Tutorial
 SQL in SkyServer
 Sample SQL Queries
 Query Limits
 Searching Advice
 Archive Intro
 Table Descriptions
 Schema Browser
 Web Browsers
 Data Publications
 SkyServer Sites
 Contact Help Desk

RegionGeometryThis table stores the descriptions of regions which describe various boundaries in the survey. These are represented by equations of 3D planes, intersecting the unit sphere, describing great and small circles, respectively.