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We report new radio-continuum observations with the Australia TelescopeCompact Array (ATCA) of the region surrounding the peculiar galaxy pair ESO295-IG022, at the centre of the poor cluster Abell S0102. We observed thiscluster at wavelengths of lambda=20/13 and 6/3 cm with the ATCA 6 km array.With these configurations, we achieved a resolution of ~2" at 3 cm which issufficient to resolve the jet-like structure of ~3' length detected at 20 cm.From our new high resolution images at 6 and 3 cm we confirm the presence of adouble jet structure, most likely originating from the northern galaxy(ESO295-IG022-N), bent and twisted towards the south. We found the spectralindex of the jet to be very steep (alpha=-1.32). No point source was detectedthat could be associated with the core of ESO 295-IG022-N. On the other hand,ESO 295-IG022-S does not show any jet structure, but does show a point radiosource. This source has variable flux and spectral index, and appears to besuperposed on the line-of-sight of the jets (seen at 20-cm) originating fromthe northern galaxy ESO 295-IG022-N. Finally, regions of very high and somewhatwell ordered polarisation were detected at the level of 70%.

Radio-continuum jets around the peculiar galaxy pair ESO 295-IG022