Welcome to Open SkyQuery!

OpenSkyQuery allows you to cross-match astronomical catalogs and select subsets of catalogs with a general and powerful query language. You can also import a personal catalog of objects and cross-match it against selected databases.

To get started, go to the Simple Query page to run a simple form query, or go the the Advanced Query page and look at some of the samples.

Please note there are some limitations to this system.

This site is best viewed at 1024x768 or greater with javascript enabled

Developed with support from the National Science Foundation (under Cooperative Agreement
AST0122449 with the Johns Hopkins University), and NASA AISRP (awards NAG5-17042
and NAG5-12092). The NVO is a member of the International Virtual Observatory Alliance.

This NVO Application is hosted by the JHU Department of Physics & Astronomy.

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Last Modified: Thursday, March 21, 2013 at 4:20:39 PM $Name: $Revision 1.1.1.2