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

nametypetext
MatchPhotoThis table contains pairs of photometric objects from different runs (times) that probably are the same object. These must be SDSS primary or secondary objects, of type STAR, GALAXY, and UNKNOWN, within 1 arcsec of one another, and from different runs. The table also holds type, mode and distance information. Also see the MatchHead table.