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

Proposal submission now closed

Thanks to the many people who submitted Cycle 1 TESS GI proposals, we are very pleased with the response. We are now in the proposal of organizing the review of proposals.

We received over 140 proposals for nearly 100,000 unique 2-min cadence targets. About 60% of proposal were stellar ...

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Release of TESS cool dwarf catalog

A paper describing efforts to create a catalog of cool dwarf stars for TESS target selection is available on the arXiv. This release details the stellar properties of dwarf stars cooler than 4000K, with the specific aim to help identify exoplanet search targets to be observed by TESS at 2-min ...

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Target list pointers

The proposal deadline is just over a week away and many of you are deep into the proposal writing process. Here are two small reminders/requests for target lists.

  • TESS Guest Investigator Cycle 1 is awarding targets in the Southern Ecliptic Hemisphere. Northern Ecliptic targets will be solicited in Cycle ...

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Cycle 1 proposal deadline change

The deadline for Cycle 1 proposals has been changed to October 6, 2017 at 4:30 pm Eastern time.

To give more time to proposers who are without power because of Hurricane Irma, the Phase-1 proposal due date for Transiting Exoplanet Survey Satellite (TESS) Guest Investigator Program - Cycle 1 has ...

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Release of Web TESS Target Tool

We are delighted to announce the release of the Web TESS Target Tool. The tool enables potential TESS users to: determine whether their targets are observable in TESS Cycle 1 estimate the noise level on their targets * calculate a brightness of their targets in the TESS bandpass

The functionality of ...

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