Saturday, July 28, 2012

Amateur Kepler Observatory (AKO) at Planet Hunters

Planet Hunters forum Talk member troyw has developed a novel program for analyzing Kepler light curves called the Amateur Kepler Observatory (AKO). Here is his introductory comment:

"AKO is web based software continually developed for viewing data from the Kepler Space Telescope. AKO is currently limited to long cadence data. AKO reads the data entered into its database and sorts that data in a specific way. The data is sorted into rows and columns, and each data point is represented by a grey colored box, usually 3 pixels by 3 pixels, on a dynamically generated image."

More detailed information here.

Troy has a thread on the Planet Hunters Science board called "AKO possible discoveries". Here is an example of an AKO graph  for KID 11853878 / KOI 1833 - two possible planet additions.
referenced here.



The black horizontal lines are indications of a planet transit. One of the unique aspects of AKO is looking for Transit Timing Variations (TTVs) in the Kepler data for exoplanets. This is performed by stacking multiple quarters of the star's light curves.



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