The Catalina Surveys Southern periodic variable star catalogue

Here, we present the results from our analysis of 6 yr of optical photometry taken by the Siding Spring Survey (SSS). This completes a search for periodic variable stars within the 30 000 deg2 of the sky covered by the Catalina Surveys. The current analysis covers 81 million sources with declinations between −20° and −75° with median magnitudes in the range 11 < V < 19.5. We find approximately 34 ...