STIS Pipeline Testing III: 2-D Image Rectification

Physics

Scientific paper

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Hubble Space Telescope, Hst, Space Telescope Science Institute, Stis, Space Telescope Imaging Spectrograph

Scientific paper

The calstis-7 functions heliocentric velocity correction and 2-D distortion correction were tested successfully with full-frame, subarray, binned, and unbinned test MAMA and CCD images. Testing of flux correction by the task was only partially successful. Some mismatches between output image values and hand calculated values were found. The incorrect calculation of the inverse sensitivity function by the task should be fixed in future reworks, which may solve the mismatch problem. A problem when running flux correction with 2-D distortion correction needs to be tracked down, but may be due to a faulty test distortion file.

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