Comparison of the COBE FIRAS and DIRBE Calibrations
D. J. Fixsen, J. L. Weiland, S. Brodd, M. G. Hauser, T. Kelsall, D. T. Leisawitz, J. C. Mather, K. A. Jensen, R. A. Shafer, R. F. Silverberg
Abstract
We compare the independent FIRAS and DIRBE observations from the COBE in the wavelength range 100-300 microns. This cross calibration provides checks of both data sets. The results show that the data sets are consistent within the estimated gain and offset uncertainties of the two instruments. They show the possibility of improving the gain and offset determination of DIRBE at 140 and 240 microns.
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