gPhoton Service Discontinuing
gPhoton will be discontinuing on December 7th, 2026. Read on for further details.
MAST NEWS
MAST sends out newsletters monthly. To recieve newsletters by email, sign up for a MyST account and you will automatically be subscribed. To manage your subscription, check in the message subscription settings by clicking "Registered User" and then "Manage My Account."
See newsletters from before April 2019
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August HLSP Update
A quiet month for our HLSP team! There was an update to QLP; please note that if you use this data for precision photometry, the timestamps may be off by a few minutes.
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MAST Summer Webinar Recap
Our summer webinar series has ended, but you can view the whole series now on our YouTube channel.
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Science Platforms and the Wolf Amendment
MAST has updated our mission acknowledgement and data attribution pages. Be sure to use the updated acknowledgements in your published works.
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July HLSP Update
We have a new HLSP, Terry Hubble Observations of Roman (THOR), available. THOR's early-release catalog includes high angular resolution imaging of 8 fields in the Galactic bulge with HST, which will greatly strengthen Roman's ability to characterize detected exoplanet systems. There are also updates for JWSTSTARS, QLP, and TESS-SPOC.
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Last Call: MAST Summer Webinar
Join us for our final summer webinar! Read on for the topic, sign up information, and how to view the whole series.
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Changes to MAST Mission Attributions
MAST has updated our mission acknowledgement and data attribution pages. Be sure to use the updated acknowledgements in your published works.
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Help Shape the Future of Fornax
Calling all users of the Fornax platform: NASA wants your feedback.
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Reminder: MAST Summer Webinar
Join us for a series of summer webinars! Read on for topics and sign up information.
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June HLSP Update
We have a new TESS-based HLSP: the TESS All-Sky Rotation Survey (TARS) is now available! TARS provides light curves and periodograms for 7.5 million unique target stars. There are also updates to TESS-SPOC, Scylla, and PHANGS-CAT.
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Stay Cool with MAST this Summer
Your favorite archivists will be at AAS 248 in Pasadena. We'll also be hosting a series of summer webinars on querying for MAST data. Read on for more details!
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New and Improved: MAST Subscriptions
MAST has transitioned to a new subscriptions service. If you have existing subscriptions, these will be migrated seamlessly to the new system.
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May HLSP Update
MAST has two new HST-based HLSPs this month. HST-Hyperion is a collection of redshift/emission-line catalogs, images, and spectra of over 12,000 galaxies within the proto-supercluster Hyperion. Also new this month is SKYSURF, the largest ever archival HST project that probes extragalactic background light at an unprecendented scale. We also have two regularly scheduled updates to our TESS HLSPs.
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Fornax Beta Release
NASA's Fornax initiative is now in an open beta phase. Analyze HEASARC, IRSA, and MAST data in the cloud.
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Updated HLSPs for April
MAST has two new HLSPs this month: a set of HST observations that examine the structure of gas and dust in NGC 5044, and a combined GALEX/SDSS catalog of hot white-dwarfs and sub-dwarfs. We also had updates from OPAL, QLP, and REFERENCE-ATLASES.
