This page is a list of IRS campaigns in which peak-up false-positives were identified. Each link leads to a list of problematic AORKEYs within that campaign. Each AORKEY is a link to two plots illustrating the problem. The left plot is an acquisition image and the right plot is a Sweet Spot image. See the IRS Instrument Handbook for a description of the peak-up acquisition algorithm. Each plot is 43 by 43 arcseconds. In each image, the square indicates where the intended peakup target should have been. The circle indicates the position of the brightest centroid in the frame.

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IRS-10 (4)
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IRS-60 (4)
IRS-61A (2)
IRS-61B (2)