CasJobs is currently down until 8am ET July 3, 2015.

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July 1, 2015: This site will be down between 5pm ET on Thursday, July 2, 2015 and 8 am ET on Friday July 3, 2015 for server reconfiguration. Please make sure any batch queries you start will be done before the maintenance window, else they will be aborted. Sorry for the incovenience.

Welcome to the SDSS CasJobs site. Please note that as of Aug 1, 2014, the SDSS-II CasJobs site is no longer available. If you wish to transfer your MyDB data from the old site to this one, please contact the help desk with "MyDB data transfer" as the subject, and the userids of your old and new CasJobs accounts. We will make every attempt to transfer your MyDB tables and your job history to the new site through the end of 2014.

As of October 27, 2014, this site is running CasJobs v4_0_0a, which contains fixes for FITS format output bugs. Please note that you may need to clear your cache and upgrade your browser version for the latest CasJobs features to work (e.g. syntax highlighting).

CasJobs is an online workbench for large scientific catalogs, designed to emulate and enhance local free-form query access in a web environment.

Some features of this application include...

For more information, try the CasJobs FAQ, or guide. Or, to get started right away, either login or create an account.