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Astron. Astrophys. 355, 863-872 (2000) AcknowledgementsWe thank F. Olmos for helping with the observations and the operation of the 45-MHz array and Dr. R. Duncan for improving the style. This work has been supported by FONDECYT through grant 8970017.
© European Southern Observatory (ESO) 2000 Online publication: March 21, 2000 ![]() |