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MAST hosts a large number of astronomical catalogs. These pages are a consolidated guide to those catalogs; each sub-chapter contains information about the structure and formatting of data, how to access it, and other information you may find useful. We're in the process of migrating catalog manuals; more will be added to the list below as they become available.
In this guide...
For MAST user support, contact the HelpDesk: archive@stsci.edu. See the Archive Support page for details and other resources.
Please acknowledge the use of data obtained from MAST in publications.
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