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Archives and High Level Data Products Overview

We build advanced systems for our high value astronomical data holdings to maximize the scientific impact of world-class telescopes in the fields of exoplanet and planetary science, including Kepler, K2, HST, TESS, and JWST observations.

The Barbara A. Mikulski Archive for Space Telescopes (MAST).

The Barbara A. Mikulski Archive for Space Telescopes (MAST) includes Kepler, K2, HST, and TESS observations, and will in the future directly link to JWST data.


Exo.MAST is a handy search engine for exoplanets linked to the MAST data archive at STScI, including Kepler, K2, HST, and TESS observations, and in the future JWST. In one easy search users can find any confirmed exoplanet and see all of their parameters, what observations have been taken and measurements have been made, and download all the connected data through the MAST archive.

Exoplanet Characterization Toolkit

ExoCTK (the Exoplanet Characterization Tool Kit) is an open-source, modular, data analysis software package focused primarily on atmospheric characterization of exoplanets and observation planning. This web application tool hosts a number of forward model grids which can be applied to current and future observations for transiting exoplanet studies.

Archival Legacy Investigations of Circumstellar Environments (ALICE)

Between 1997 and 2008, the HST NICMOS instrument performed coronagraphic observations of about 400 targets as part of surveys looking for substellar companions or resolved circumstellar disks to young nearby stars. This makes the NICMOS coronagraphic archive a valuable database for exoplanets and disks studies. The ALICE program is an HST Legacy program that has reevaluated the NICMOS coronagraphic archive with improved detection limits, achieved with modern post-processing methods. The ALICE team has published high-level science products of NICMOS coronagraphic datasets, reprocessed as part of the ALICE project, that are available through MAST. These data can help at identifying the nature of companion candidates detected by other instruments, and at refining planet or disk population statistics by combining NICMOS data with other surveys.