| | 57 | * DIFF_NPOS - nPos (n pix > 0.0 flux) |
| | 58 | * DIFF_FRATIO - fPos / (fPos + fNeg) where fPos = \Sum (f_i) if f_i > 0.0, and fNeg = \Sum (f_i) if f_i < 0.0 |
| | 59 | * DIFF_NRATIO_BAD - nPos / (nPos + nNeg) where nPos = number of pixels with f_i > 0.0, and nNeg = number of pixels with f_i < 0.0 |
| | 60 | * DIFF_NRATIO_MASK - nPos / (nPos + nMask) where nMask = number of masked pixels |
| | 61 | * DIFF_NRATIO_ALL - nPos / (nGood + nMask + nNeg) |
| | 62 | |
| | 63 | * DIFF_R_P - distance to matched source in positive image |
| | 64 | * DIFF_SN_P - signal-to-noise of matched source in positive image |
| | 65 | * DIFF_R_M - distance to matched source in negative image |
| | 66 | * DIFF_SN_M - signal-to-noise of matched source in negative image |
| | 67 | |
