Derivation of a complete set of in-orbit RSRFs is needed to obtain an optimal flux calibration accuracy. However, this calibration is still ongoing. Until this has been done, the RSRFs measured in the lab have to be used for most bands. Only for bands 1a and 2a, a correction of the overall shape was applied to compensate for the leakage problem mentioned before. This correction was done by polynomial fitting of in-orbit and lab data and multiplying the lab data with the ratio of the two fits.
These two corrected RSRFs are currently available in SWS IA in de IAS_CAL directory. Users of SWS IA can use these corrected RSRFs by specifying them as parameters when calling respcal. For all other bands, the cal25 files from the IAS_ARC directory will be used. Currently, the CAL25 files in the IAS_ARC directory contain the lab RSRFs.
IA3 TEST> spdr = respcal(spdd, cal25_1a="IAS_CAL:cal25_1a.fits", &
cal25_2a="IAS_CAL:cal25_1a.fits"
Unix users will specify the full pathname of (IAS_ROOT)/TST/CAL instead of IAS_CAL: