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Calibrator Design for the<i>COBE</i>Far‐Infrared Absolute Spectrophotometer (FIRAS)
ASTROPHYSICAL JOURNAL, no. 2 (1999): 511-520
摘要
The photometric errors of the external calibrator for the Far Infrared Absolute Spectrophotometer (FIRAS) instrument on the COBE are smaller than the measurement-errors on the cosmic microwave background radiation (CMBR) spectrum (typically 0.02 MJy sr(-1), 1 sigma) and smaller than 0.01% of the peak brightness of the CMB. The calibrator ...更多
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