<i>Spitzer</i>Spectral Line Mapping of Supernova Remnants. I. Basic Data and Principal Component Analysis
<i>Spitzer</i>Spectral Line Mapping of Supernova Remnants. I. Basic Data and Principal Component Analysis
We report the results of spectroscopic mapping observations carried out toward small (1 x 1 arcmin) regions within the supernova remnants W44, W28, IC443, and 3C391 using the Infrared Spectrograph of the Spitzer Space Telescope. These observations, covering the 5.2 - 37 micron spectral region, have led to the detection …