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.


6th Nov 2019: Full-frame image release cadence survey

The TESS team are exploring options for making TESS full-frame image (FFI) data available more rapidly. To help us plan these activities we would greatly appreciate anyone interested in TESS FFI data to fill out this short survey. Our intention is to understand the value of making FFI data available …

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5th Nov 2019: Update on TESS data availability at MAST

In order to better inform the community of the arrival times of the TESS data into the archive, the MAST has changed how and when it will announce the arrival of new TESS data. A few days before the data ingest begins, the date will be placed on the TESS …

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21st Oct 2019: Cycle 3 Guest Investigator announcement

We are excited to announce that the TESS Cycle 3 proposal call has been released. TESS Cycle 3 observations will be collected during the first year of the extended mission, running from July 2020 until June 2021. All Cycle 3 fields are in the Southern Ecliptic Hemisphere. Please make sure …

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TESS mission clock

Launch Countdown:

Where is TESS right now?

Tweets from TESS