The Kepler Asteroseismic Science Operations Center provides asteroseismological data from the NASA Kepler mission to astronomers who are members of the Kepler Asteroseismic Science Consortium (KASC).

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In order to have access to the Kepler Asteroseismic data you have to be a member of KASC. Please see the "New KASC member" page on how to become a member.


31st Oct 2018: Goodbye Kepler

Goodbye Kepler. You will be missed!
We can all take solace in the fact that the amazing data you have provided us will keep up busy, making new discoveries, for years to come.
Now, take a well-deserved rest - you have earned it!

21st Aug 2018: TASC4/KASC11 Conference Material

The slides, posters and photos from the TASC4/KASC11 conference in Aarhus, Denmark has now been made available on KASOC and TASOC. If you have any other material, like good photos you took during the conference, feel free to e-mail them to us and we can include it on the page.

4th Jun 2018: K2FOV Tool updated

The K2FOV tool has been updated to the newest version (8.0.0), which includes the coordinates for campaign 20.

Kepler & K2 News

16th May 2019: New Astronomy Reviews Special Issue on Kepler's Exoplanet Firsts

To mark the tenth anniversary of the commencement of Kepler science operations, New Astronomy Reviews has published a Virtual Special Issue containing articles that describe the stories behind several of Kepler's seminal exoplanet discoveries and methodological innovations.

The issue contains the following contributions:

  • Editorial: History of Kepler’s major exoplanet …

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8th May 2019: K2 Campaign 19 processed data and release notes available

The pipeline-processed data for K2 Campaign 19 are now available for download from the K2 data archive at MAST. The C19 data release notes are also available, and users are strongly encouraged to read the release notes, particularly due to the complicated pointing history and resulting data quality of C19 …

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30th Apr 2019: K2 Campaign 11 reprocessed

A year ago we announced that we were undertaking an effort to reprocess campaigns 0–14 using the same version of the Kepler/K2 pipeline used for C15 and subsequent campaigns. This version introduced several new features and improvements, such as more sophisticated pixel calibration, better identification of spacecraft pointing …

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Recently published scientific publications

  • B. Mosser: The seismic performance
    Updated: Sun 5th May 2019 23:03.
  • G. Houdek: Damping rates and frequency corrections of Kepler LEGACY stars
    Updated: Fri 3rd May 2019 22:20.
  • Earl P. Bellinger: Stellar ages, masses and radii from asteroseismic modeling are robust to systematic errors in spectroscopy
    Updated: Wed 13th March 2019 18:16.
  • Travis S. Metcalfe: Understanding the Limitations of Gyrochronology for Old Field Stars
    Updated: Fri 8th March 2019 23:26.
  • Douglas L. Compton: Asteroseismology of main-sequence F stars with Kepler: overcoming short mode lifetimes
    Updated: Thu 14th February 2019 19:44.
  • Kuldeep Verma: Helium abundance in a sample of cool stars: measurements from asteroseismology
    Updated: Fri 1st February 2019 14:08.
  • M. Bazot: Butterfly diagram of a Sun-like star observed using asteroseismology
    Updated: Wed 23rd January 2019 11:26.

Kepler mission clock

Launch Countdown: