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

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News for scientists

Sector 1 and 2 data now available at MAST

The first batch of TESS mission data is now available through MAST. This release includes all data from Sectors 1 and 2, observed between July 25 and September 20, 2018. This includes both FFI and 2-min cadence data.

The first release of the TESS instrument handbook is also available, as ...

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Data from first two TESS Observation Sectors to be released in early December

After a successful launch and several months of commissioning, the Transiting Exoplanet Survey Satellite (TESS) commenced science operations on July 25, 2018. TESS is currently collecting 2-minute cadence and 30-minute cadence full frame image science data from Observation Sector 5 in the Southern ecliptic hemisphere. Data from the first four ...

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TESS Science Support Center is hiring

The TESS Science Support Center, who run the TESS Guest Investigator Program, are hiring a mission support scientist. The successful applicant will contribute to the Transiting Exoplanet Survey Satellite (TESS) team, resident within the Astrophysics Sciences Directorate at NASA’s Goddard Space Flight Center. They will primarily be devoted to ...

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