X-ray studies of the Vela SNR.

A review is made of supernovae, supernova remnants and pulsars, with particular reference to the Vela X SNR and PSR0833-45. A detailed description is made of two experiments built and flown on a Skylark sounding rocket. One of these made a one-dimensional scan of the Vela X and Puppis A SNRs in the energy range 0.2--2 KeV. The second experiment sought pulsed emission from PSR0833-45 in the energy range 1.3--13 KeV. The results of the above experiment are presented, including one-dimensional profiles and upper limits to pulsed emission. Finally, data is presented from the observations of the general Vela region by the Sky Survey Instrument on board the Ariel V satellite. In particular, a synchrotron x-ray emitting region about 2 in diameter is indicated, centered upon the Vela Pulsar.