Comments (7)
@andycasey and @davidwhogg - important: make sure you train your model using the apstar spectra for all tests on apstar spectra, don't use the model trained on the aspcap star spectra - these are not equivalent.
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More specifically, we can't treat all mask bits equally; what should we care about?
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@mkness doing that now.
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@davidwhogg: good. I use everything in the mask itself not set to 0 and set the error value to LARGE everywhere were the mask is !=0. Other things may work e.g. taking only a subset of the mask that one should care about, but I did not experiment a lot with different combinations here, I found just excluding everything not set to 0 gave smaller scatter than not using the mask altogether and worked well.
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@mkness we did this at first (before stacking the spectra ourselves) but we found that a lot of spectra had persistence in the entire blue chip and part of green,... we were loosing a lot of information that we could see was actually there. did you experiment by setting a different error value for just persistence-flagged pixels?
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Just recording here that @mkness said perhaps just to consider mask bits 0, 12, 13. The current code version considers every mask bit except 9, 10, 11.
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What we have now seems to work, so I am closing this issue.
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Related Issues (20)
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