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


TESS Special Session at Winter AAS

A Special Session "TESS: Early Results and Future Plans” is scheduled for Tuesday, 8 January, 10:00 AM - 11:30 AM at the winter AAS meeting in Seattle, WA.

The deadline for regular abstract submission of the 233rd AAS meeting to Wednesday, 10 October (9:00 pm ET). The session ...

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Guest Investigator Program Cycle 2 deadline moved to February 2019

The TESS Guest Investigator Program Cycle 2 deadline is being pushed back to February 2019. At this time we will be soliciting programs that target Northern Ecliptic Hemisphere fields. The NSPIRES page is in the process of being updated. With the first release data planned for before the end of ...

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Sector 1 data are being processed and validated

After a successful launch on April 18, 2018, and a series of on-orbit commissioning tasks, NASA’s newest planet hunter, the Transiting Exoplanet Survey Satellite, has completed its first 27-day science observation sector, and has delivered its wealth of data to the ground. TESS is now pointed at the sky ...

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