Abstract
The Polar Ionospheric X-ray Imaging Experiment (PIXIE) on NASA's POLAR spacecraft has been making global observations of X-rays from the Earth's auroral regions since March, 1996. PIXIE is a remote-sensing global monitor of multi-keV electrons which have precipitated into the ionosphere from the magnetosphere. This study examines nine months (May, 1997 - January, 1998) of X-ray observations from the PIXIE instrument of the northern auroral oval. X-ray flux is obtained from the PIXIE observations, allowing us to determine a synoptic auroral precipitation pattern of energetic particles. In addition, we examine the mean magnetic latitude at ionospheric altitude of the detected X-rays as a function of geomagnetic indices.
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