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The Calibration and Supplemental Search Interface (CaSSI) provides access to the full set of JWST and Roman mission product categories. The products include pre-launch test data, telemetry, and calibration reference products. CaSSI also offers an API for search and data retrieval.

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Table of Contents

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Search This Guide

Page Tree Search

Warning

Some of the CaSSI functionality has not yet been implemented, and not all intended data products are available. This guide will display pages that corresponded correspond to deployed interfaces, but may refer to features that are not yet available. 



Data Category Selection

The product search interfaces are segregated by mission and data group. Select the mission in the Web interface with the pull-down menu, as shown at right for the Roman mission. 


Limitations

Be aware that the CaSSI web interfaces will return no more than 5000 results. If the reported number of table rows is 5000 it means that not all archived products are displayed. Repeat the search with additional search criteria to keep the results to within the limit. An alternative is to retrieve a curl script via the Show API Query button, remove the limit from the script, and  execute the search from the command line. 

Authorization

All except the calibration product categories available in CaSSI require explicit user authorization. Please login to CaSSI to retrieve data. If you need but do not have authorization, contact the MAST Archive Support to request it, mention the mission for which you need authorization, and describe the functional reason for the request. 

User Support

For MAST user support, contact the HelpDesk: archive@stsci.edu. See the Archive Support page for details and other resources.

Citations and Acknowledgements

Please acknowledge the use of data obtained from MAST in publications.

For Further Reading...