SDSS SkyServer DR2



Welcome to DR2!!! This website presents data from the Sloan Digital Sky Survey, a project to make a map of a large part of the universe. We would like to show you the beauty of the universe, and share with you our excitement as we build the largest map in the history of the world.	News The site now contains data from the SDSS Data Release 2 (DR2). What's new in DR2 and known problems. More...	For Astronomers A separate branch of this website for professional astronomers (English) More...

Welcome to the DR2 Catalog Archive Server with restricted access for the SDSS Collaboration only.

The following databases are available
BESTDR2	Default, the best Photo, Spectro and Tiling data
TARGDR2	Photo, frozen at time of target selection
BESTDR1	The Best data version for the previous release.
Stetson	SDSS matches to Stetson dataset.
RC3	SDSS matches to RC3 catalog.

News

The menus below now have mouse-over tool tips. This site contains data from Data Release 2 (DR2). Please see the What's New in DR2 page and the Known Problems page for more information.

To run a query on one of the DR2 DBs other than
BESTDR2, name the database explicitly in the query:

SELECT TOP 100 * FROM TARGDR2..PhotoObj

WHERE r<17 and r-i>2