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   52076
   We propose to measure the spectral properties of the unresolved point
   source centered on the SNR RCW 103 to determine its nature. The point
   source is likely an isolated cooling neutron star (NS) embedded within
   the remnant. It is coincident with the center of the remnant, has no
   optical or radio counterpart, shows no pulsations or indication of a
   synchrotron nebula, and has a luminosity consistent with a cooling NS.
   The ASCA bandpass is particularly well suited to test this hypothesis
   by probing the spectrum and differentiating a thermal (blackbody
   surface emission) or non-thermal (synchrotron) origin. The previous
   ASCA PV observation reveals unambiguously the long sought after
   Einstein source, however a deeper observation is needed to characterize
   the spectrum.
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