  We present the results of a survey for low frequency radio emission from 17
known exoplanetary systems with the Murchison Widefield Array. This sample
includes 13 systems that have not previously been targeted with radio
observations. We detected no radio emission at 154 MHz, and put 3 sigma upper
limits in the range 15.2-112.5 mJy on this emission. We also searched for
circularly polarised emission and made no detections, obtaining 3 sigma upper
limits in the range 3.4-49.9 mJy. These are comparable with the best low
frequency radio limits in the existing literature and translate to luminosity
limits of between 1.2 x 10^14 W and 1.4 x 10^17 W if the emission is assumed to
be 100% circularly polarised. These are the first results from a larger program
to systematically search for exoplanetary emission with the MWA.
