IRAC Instrument Handbook - IRSA - California Institute of Technology

Table C.1. Correction factors for PRF flux densities
Band PRF aperture corrections Correction to mean Total
Point Source Fitting IRAC Images
with a PRF
157
IRAC Instrument Handbook
From Core PRFs From Cal Stars Adopted pixel phase correction
IRAC1 1.004 1.000 1.021 1.021
IRAC2 1.004 1.000 1.012 1.012
IRAC3 1.021 1.023±0.002 1.022 1.000 1.022
IRAC4 1.014 1.014±0.002 1.014 1.000 1.014
Divide PRF fluxes by the last column.