Fig. 8
Example of gain instability seen in pixel LFAH6 for a single OTF scan. Top left panel: integrated line intensity between 0 and 15 km s−1 vs. OTF dump time. Top right panel: RMS over a velocity range from 30–40 km s−1. Center panel: map of 84 spectra associated with a single OTF scan. LFAV6 is shown on the left, and LFAH6 is shown on the right. The noisy behavior between adjacent dumps is associated with the V pixel that is not seen in the H pixel. Bottom panel: eight example spectra associated with the solid circles shown in the top left panel.
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