B-fields In STar-forming Region Observations (BISTRO): Technical Foundations for Quantitative 450/850 $\mu$m JCMT SCUBA-2/POL-2 Polarimetry
We present five technical validations of SCUBA-2/POL-2 polarimetry on the James Clerk Maxwell Telescope at 450 and 850 $\mu$m, using 174 archival fields in 69 molecular cloud regions and subsets appropriate to each test. Extended-source calibration avoids a deterministic shift of $\Delta\beta=-1.05$ in the dust emissiv...