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   PR #     2
   Kes 73 is an anomalous SNR in that it has a very bright central point
   source inX-rays, but absolutely no evidence in high resolution radio
   maps of anythingother than a quiescent shell. The principal
   calibration use is to testdeconvolution algorithms on a bright point
   source surrounded by faint diffuseemission (with a very different
   spectrum). Scientific goals are 1)to establishfrom absorption
   measurements whether or not the diffuse remnant and point sourceare at
   the same distance 2)to measure the temperature and, thus, constrain
   theremnant age, and 3)to measure the spectrum of the point source,
   search forvariability and/or pulsations, and thus classify it as an
   accretion-poweredbinary, a rotation-powered pulsar, or a compact
   synchrotron nebula.
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