How do I convert the measured IRAC flux densities to IRAC fluxes so that I can compare them to theoretical models?
Posted by IRSA HelpDesk on 11 March 2013 03:53 PM
We discourage the conversion of IRAC flux densities to IRAC fluxes by the multiplication with the effective bandwidth since the fluxes depend on the (unknown) absolute normalization of the instrument throughput. Instead, you should calculate the flux density at the effective IRAC channel wavelength, and perform the color correction as explained in Section 4.4 of the IRAC Instrument Handbook and then compare to the observed flux density.
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