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A search programme for pulsating subdwarf B stars was conducted with theNordic Optical Telescope on La Palma over 59 nights between 1999 and 2009. Thepurpose of the programme was to significantly extend the number of rapidlypulsating sdB stars to better understand the properties of this new group ofvariable compact stars. Candidates were selected initially from the HS and HEsurveys, but were supplemented with additional objects from other surveys.Short sequences of time-series photometry were made on the candidates todetermine the presence of rapid pulsations. In total twenty new pulsators werefound in this survey, most of which have already been published and someextensively studied. We present four new short period pulsators, bringing thetotal of such pulsators up to 49. We also give limits on pulsation amplitudesfor 285 objects with no obvious periodic variations, summarise the results ofthe survey, and provide improved physical parameters on the composite pulsatorsfor which only preliminary estimates were published earlier.

A survey for pulsating subdwarf B stars with the Nordic Optical Telescope