On 2016-11-19 new, CASU pipeline was adopted (green vertical
line), which uses revised method for calculating zeropoints. It takes
into accout DET.NDIT in the total observing time (DET.DITxDET.NDIT)
rather than DET.DIT as was done by the previous pipeline. To
bring the values to the same level, the CASU zeropoints are
corrected by
"+ 2.5 * log10(NDIT)" in this plot. Only data taken with DET.NDIT=5 are plotted.
Fig. 1. chip4: The zeropoints for chip #4.
Fig. 2. chip3: The zeropoints for chip #3.
Fig. 3. Average: The zeropoints averaged over all detectors.
This view is sensitive to common changes.
Fig. 4. chip1: The zeropoints for chip #1.
Fig. 5. chip2: The zeropoints for chip #2.
Fig. 6. Scatter View: The standard deviation of the zeropoints, obtained from the sample of all detectors.
This view is sensitive changes of individual detectors.
Major M1 mirror recoating events are marked with a blue vertical bar.
Find more information on the HAWKI photometric zeropoint tutorial page.