Abstract

Abstract We present results of simultaneous SXT and UVCS observations of jets from polar coronal holes. Although we did not identify the UV counterparts of the X-ray jets, on one occasion UVCS recorded H I Lyα profile variations consistent with a UV jet at the position of the X-ray jet but prior to that event. We discuss the possible relation between the UV and X-ray events and consider the magnetic reconnection models developed for X-ray jets, as a model for UV jet formation. The rough estimates of the total energies of the X-ray and UV jets show the energies to be comparable.

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