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There is also a BestDetection flag in StackObjectThin, which has even more issues than PrimaryDetection, and we recommend to not use it at the current time. Both PrimaryDetection and BestDetection flag will be improved in DR2was intended to solve this issue. However, there has been a conversion issue which corrupted the flags, and the BestDetection flag cannot be currently used. We are working on fixing this issue for DR 2.1.
PS1 astrometry
How good is PS1 astrometry?
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