The table below shows some results for a few AORs of 70µm NF data for several stars. Column 5 gives the nominal flux from the University of Arizona MIPS Flux Calbrators web page.
Fluxes were estimated by weighted least-squares fitting to a 4-parameter model including the source flux, a single background, and the source position in the frame, including all the good pixels on the good side of the array. The PRF was computed by integrating a 4000K STT PSF, generated centered in the good side of the array, over pixels using pixel boundaries based on the PIXSCAL sizes in the headers, with no correction for distortion. Flux estimates were computed using the calibration factor (2536 = 4*634) from the .FITS header.
The "Unweighted" columns give flux and standard error estimates obtained by simple averaging of the single-DCE estimates, with standard error obtained from 1./sqrt(N) of the Std.Dev of the DCE estimates, where N is the number of DCEs. The "Weighted" columns give the weighted average over DCEs for the fitted fluxes in each AOR, and the uncertainties have been adjusted by multiplying the standard weighted estimate of sigma by the sqrt of the reduced chisquare to the hypothesis that the DCE flux estimates are samples drawn from a population with a single unique flux for each AOR.
Because of the dearth of repeated observations of the same star available to date, nothing can yet be said about repeatability.
It is clear that saturation effects appear at higher flux levels.
AOR PID Campg HD star# F mJy Date Unweighted Weighted Run ID 9189888 1708 5MC HD100029 1110 031404 1018.1+/-27.6 1011.5+/-27.1 1025-1843 9190400 1708 5MC HD131873 3140 031404 2725.1+/-68.4 2695.7+/-68.3 1025-1858 9653248 1710 7MC HD082668 1520 050604 1464.5+/-31.2 1449.7+/-31.5 1025-1916 9942784 1712 9MC HD163588 329 061804 261.7+/- 5.6 262.1+/- 5.7 1026-1727 12065024 1716 13MC HD031398 1740 091904 1561.3+/-33.0 1546.7+/-33.2 1026-1846 13635072 1724 21MC HD080493 1600 051205 1505.4+/-32.4 1492.0+/-31.1 1025-1829