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).

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

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.


23rd Apr 2018: Scheduled Downtime: 25th April

On Wednesday 25th April, we will be doing some scheduled maintenance of our servers, so KASOC will be unavailable most of the day. We apologize for any inconvenience.

15th Sep 2017: C13 data is available

...and today it is the C13 data that has been made available for download. As always, remember to take a look at the data release document before diving into the data.

14th Sep 2017: C12 data is available

The C12 data from K2 is now available for download.

Kepler & K2 News

15th May 2018: K2 Campaign 17 completed successfully; Campaign 18 underway

Good news! The Kepler spacecraft successfully completed its K2 Campaign 17 last week, on May 8th, and the full data set has now been downlinked to Earth.

To enable users to make use of the current visibility of the Campaign 17 field from the ground, the raw C17 data have …

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14th May 2018: K2 Campaign 16 data processing complete

Data processing for K2 Campaign 16 is now complete and the pixel files and lightcurves are in the process of being shipped to the data archive at MAST. We anticipate that the data release will be announced near May 24th.

The target list featured 20,647 stars alongside 9,241 …

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11th May 2018: New in lightkurve: inspecting pixel data using tpf.interact()

The new lightkurve Python package for Kepler and K2 data analysis, which we first announced in March, contains a new feature: interact().

The tool strives to solve a common stumbling block in Kepler data analysis: "I see a blip in my lightcurve. Is it real or instrumental?" interact() alleviates the …

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Recently published scientific publications

  • Travis Metcalfe: The Impact of Gaia DR1 on Asteroseismic Inferences from Kepler
    Updated: Wed 21st March 2018 18:35.
  • S. Hekker: Gravity mode offset and properties of the evanescent zone in red-giant stars
    Updated: Wed 14th March 2018 22:02.
  • C. Aerts: K2 photometry and HERMES spectroscopy of the blue supergiant rho Leo: rotational wind modulation and low-frequency waves
    Updated: Mon 12th March 2018 22:46.
  • Earl P. Bellinger: Model-independent measurement of internal stellar structure in 16 Cygni A & B
    Updated: Sun 4th March 2018 16:02.
  • Jessica S. Schonhut-Stasik: Robo-AO Kepler Asteroseismic Survey. I. Adaptive optics imaging of 99 asteroseismic Kepler dwarfs and subgiants
    Updated: Fri 23rd February 2018 22:19.
  • Zs. Bognár: KIC 9533489: a genuine $\gamma$ Doradus – $\delta$ Scuti Kepler hybrid pulsator with transit events
    Updated: Fri 23rd February 2018 11:16.
  • A. García Saravia Ortiz de Montellano: Automated asteroseismic peak detections
    Updated: Wed 14th February 2018 15:29.

Kepler mission clock

Launch Countdown: