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Default external-mask cut excludes the star halos - #424
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This was referenced Oct 26, 2026
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Default mask uses MASK_4, MASK_8, MASK_64 and MASK_1024; star-halo bits MASK_1 and MASK_2 are excluded.
This follows Cail's decision on #403.
Closes #403
GPT (Luna) on behalf of Cail
Effect on v2 (all 10,094 tiles): rows passing the common cuts go from 227.1M to 266.7M. The halo cuts were removing 39.6M rows, 14.8% of the rows that pass every other cut. Area and n_eff follow with the #425 recalibration.