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   53007
   We have begun a systematic study of the spin pulses in intermediate
   polars using ASCA data, the first with sufficient resolution to give
   reliable results. This work has already overturned previous models, and
   has shown that different systems have distinctly different behaviours.
   We are therefore studying several X-ray bright intermediate polars to
   discover the range of possible behaviours and investigate the class as
   a whole. The newly discovered source RX1238-38 is one of the X-ray
   brightest intermediate polars, and the only one of these not so far to
   have been the target of a pointed observation. Initial optical followup
   has already revealed interesting features of the star, and we ask for
   the first X-ray pointing as a complement.
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