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We have created a catalogue of variable stars found from a search of thepublicly available K2 mission data from Campaigns 1 and 0. This catalogueprovides the identifiers of 8395 variable stars, including 199 candidateeclipsing binaries with periods up to 60d and 3871 periodic or quasi-periodicobjects, with periods up to 20d for Campaign 1 and 15d for Campaign 0.Lightcurves are extracted and detrended from the available data. These aresearched using a combination of algorithmic and human classification, leadingto a classifier for each object as an eclipsing binary, sinusoidal periodic,quasi periodic, or aperiodic variable. The source of the variability is notidentified, but could arise in the non-eclipsing binary cases from pulsation orstellar activity. Each object is cross-matched against variable star relatedguest observer proposals to the K2 mission, which specifies the variable typein some cases. The detrended lightcurves are also compared to lightcurvescurrently publicly available. The resulting catalogue is made available onlinevia the MAST archive at https://archive.stsci.edu/prepds/k2varcat/, and givesthe ID, type, period, semi-amplitude and range of the variation seen. We alsomake available the detrended lightcurves for each object.

K2 Variable Catalogue: Variable Stars and Eclipsing Binaries in K2 Campaigns 1 and 0