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New tests of the common calibration context for ISO, IRTS, and MSX
Martin Cohen
Radio Astronomy Laboratory, 601 Campbell Hall, University of California, Berkeley, CA 94720, USA - Vanguard Research Inc, 5321 Scotts Valley Drive, Suite 204, Scotts Valley, CA 95066, USA
I review ongoing work designed to test, verify and validate
the accuracy in shape and absolute level of the calibration
spectra provided to ISO for external calibration support of
the instruments. Independent validation of the spectra of
bright K/M giants comes from radiometry from DIRBE and
MSX/Spirit-III, and from angular diameters. In particular,
absolute confirmation at the level of 3% is achieved by
Spirit-III. A direct test of the fainter ``calibrated
stellar templates" is afforded by the NIRS aboard the IRTS.
Over 300 new calibrated templates were created this month
and will soon be available to replace the first generation
of 183 such templates provided to ISO prelaunch. I will
describe work planned on comparing FIR spectra of Mars and
some of the bright stellar calibrators, such as 
Boo, with LWS. A new mm-wave observing programme is designed
to compare Mars and stars directly, in the 1-3 mm region
using the BIMA array. The goals are to relate and reconcile
models of stars, asteroids, and planets.
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