TESS mission

The Transiting Exoplanet Survey Satellite (TESS) is a two-year survey that will discover exoplanets in orbit around bright stars.

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Proposing science

The TESS Guest Investigator Program is an annual call where scientists can propose new observations and receive funding and support.

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Data access

Access simulated data, documentation, data analysis software, and find information on the follow-up observing program.

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News for scientists




Error in a small number of TIC v5 surface gravities

The surface gravities reported in column 67 of the TESS Input Catalog version 5 (TIC-5), do not accurately represent the expected surface gravities using the reported values for mass (column 73) and radii (column 71). This only affects stars where the stellar properties were calculated using available parallax information (the ...

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