The MAST Data Discovery Portal is a web application for searching, exploring, and selecting for download the data products from most MAST missions and other collections. This guide will help you explore the extensive features of the Portal.

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Table of Contents

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

In publications, refer to this document as:

  • MAST 2021, MAST Portal Guide, eds. R.A. Shaw, B. Cherinka, P. Forshay (Version 2; Baltimore: STScI)

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

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Send comments & corrections on this MAST document to: archive@stsci.edu