IRAS Explanatory Supplement
VI. Flux Reconstruction and Calibration
C. Absolute Calibration
C.4 Absolute Calibration of Extended Emission
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The absolute calibration of the extended emission observed by IRAS was
based directly on the absolute calibration of the point sources. Thus the
value of the equivalent absolute flux density assigned to the flashes of
the internal reference source was carried directly to the calibration of
the extended emission with the additional corrections for the frequency
response and effective detector areas; see Sections
IV.A.3 and IV.A.4.
Chapter Contents | Introduction
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