Welcome to TESS Asteroseismic Science Operations Center

The TESS Asteroseismic Science Operations Center (TASOC) provides asteroseismological data from the NASA TESS mission to astronomers who are members of the TESS Asteroseismic Science Consortium (TASC). It is also the platform used to facilitate the international collaborations within TASC.

If you are a member of TASC, please log in below...

In order to have access to TASOC you have to be a member of TASC. Please see the "New TASC member" page on how to become a member.


1st Oct 2019: New asteroseismic target list: Version 8.02

A new combined asteroseismic target list has been created based on new input from the working groups. You can find it under "TASC Target Lists".

30th Sep 2019: Data from S14 available - Overlap with Kepler FoV

The SPOC processed data from sector 14, which is the first to include overlap with the original Kepler field of view, has been added to the Data Search interface.

20th Aug 2019: TASC5/KASC12 materials available

All the material from this summers TASC5/KASC12 conference in Boston have now been made available:
Click here to read more.


4th Sep 2019: We want your newsworthy results for AAS

The TESS team will be at AAS in January 2020! If you are also attending, and you plan to present TESS results that you think would be of broad interest to the public, please submit a media request. We would love to showcase as many TESS results as possible, but …

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3rd Sep 2019: Announcement of the TESS Extended Mission

After TESS completes its 2-year prime mission in July 2020, TESS will officially be continuing operations as part of an extended mission! TESS will continue scanning the sky in the extended mission for transiting exoplanets and other transients. As part of this extended mission, Guest Investigator proposals will continue to …

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2nd Sep 2019: Update on pointing for Sector 16

TESS has been successfully conducting observations in the northern ecliptic hemisphere since July 18th. As previously announced, the field-of-view of the TESS camera array was shifted north by 31° with respect to its nominal pointing in Sectors 14 and 15 in order to reduce the impact of scattered light from …

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TESS mission clock

Launch Countdown:

Where is TESS right now?

Tweets from TESS