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

TESS pointing during Year 2.

During certain sectors of Year 2, the Earth and/or Moon are very close to or inside the pre-planned fields-of-view of cameras 1 and 2 for long periods, reducing the number of days useful for transit detections by those two cameras to as few as 7-10 days per sector. The ...

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HST-TESS Advisory Committee Call for White Papers

The HST-TESS Advisory Committee chartered by the STScI Director invites input from the astronomical community on the use of HST for follow-up observations of TESS exoplanet discoveries, including HST preparatory and supporting observations for JWST follow-up of TESS-discovered planets. Further information on example topics, format, and white paper authorship can ...

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Guest Investigator Program Cycle 2 deadline now March 14

Due to the partial government shutdown, the TESS Guest Investigator (GI) Program Cycle 2 deadline has been changed. The new Phase-1 due date (via ARK RPS) is 4:30 pm March 14, 2019. At this time we will be soliciting programs that target Northern Ecliptic Hemisphere fields.

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TESS Sessions at the AAS Meeting January 2019

The TESS team is looking forward to sharing our excitement about the first science results, our high expectations for the two-year science survey, and our plans for the extended mission, at the upcoming winter AAS meeting in Seattle next month.

Stop by our booth in the exhibit hall to find ...

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