Maximizing the scientific accessibility and impact of astronomical data
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Please share your feedback on Data Access Policies for Hubble and JWST about topics like exclusive access periods.
Maximizing the scientific accessibility and impact of astronomical data
Maximizing the scientific accessibility & productivity of astronomical data.
The Mikulski Archive for Space Telescopes is an astronomical data archive focused on the optical, ultraviolet, and near-infrared. MAST hosts data from over a dozen missions like Webb, Hubble, TESS, Kepler, and in the future Roman.
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Missions
High Level Science Products
Host your small mission at MAST
Search Tools
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MAST Portal
Search multiple collections of astronomical data-sets from one place—images, spectra, catalogs, timeseries, publication records and more
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MAST Search
The MAST Search Form is our modernized multi-mission search tool. Try out the new Hubble Search and check back as more missions are added.
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Virtual Observatory
The Virtual Observatory (VO) seamlessly incorporates astronomical data from active missions, archives, and other institutional resources worldwide
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exo.MAST
Search by exoplanet to find data, parameters, visualizations, and MAST holdings from Kepler, K2, Hubble, TESS and JWST. Easily find the data taken during the transit, interact with folded light curves, and view or download published spectroscopy
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MAST CasJobs
Run SQL queries on MAST catalogs and tables. Long and complex queries are supported, and users can store the output in a user database
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z.MAST
Search for extragalactic observations and catalog data from MAST high-level science products (HLSP). Download results for further analysis or quickly view detailed information by individual galaxy—aggregated data, image cutouts, observed SEDs, and observations
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MAST User Documentation
Read documentation on many MAST services, including the Portal, the Modernized MAST Search, HLSPs and more.
Catalogs
APIs
Publishing Resources
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Digital Object Identifier
Create a digital object identifier (DOI) to provide easy access to specific data sets
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Mission Publications Mailing List
A biweekly email update of STScI flagship and MAST mission publications
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See All Publishing Resources
Guidance and resources to help you properly acknowledge MAST data and missions in your work