Glossary
DR4 Help
 Archive Intro
 Table Descriptions
 Schema Browser
 Glossary
 Algorithms
 Introduction to SQL
 Sample SQL Queries
 Query Limits
 How To
 FAQ
 API
 Download
 SkyServer Sites
 SkyServer Traffic Page
 Web Browsers
 Site News
 Contact Help Desk

nametext
Astrom The data processing pipeline that maps CCD pixel coordinates to celestial coordinates. The detailed workings of this pipeline are described in the Pier et al. 2003 AJ paper.