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   PR # 42023
   Radio, optical, UV and X-ray observations show that the peculiar
   massive star Eta Car entered a new phase of activity sometime in 1992
   and is still active. ROSAT PSPC observations showed that the
   variability is confined to a spatially unresolved hard (kT > 2 keV)
   source centered on Eta Car. We are monitoring the X-ray emission from
   Eta Car as part of a multi-wavelength campaign. ASCA observations are
   vital since ASCA provides the only imaging X-ray spectroscopy of the
   hard source available. New ASCA data will provide a unique measure of
   the present X-ray brightness of the hard source, conclusively
   determine the physical cause of the X-ray variability, test for the
   presence of enhanced nitrogen abundances in the hot plasma, and
   examine the important Fe line region near 7 keV.
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