The Spectral Results of the Far-Infrared Absolute Spectrophotometer Instrument on COBE

Details The Spectral Results of the Far-Infrared Absolute Spectrophotometer Instrument on COBE The Spectral Results of the Far-Infrared Absolute Spectrophotometer Instrument on COBE

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002apj...581..817f&link_type=abstract

The Astrophysical Journal, Volume 581, Issue 2, pp. 817-822.

Astronomy and Astrophysics

Astronomy

89

Cosmology: Cosmic Microwave Background, Cosmology: Observations

Scientific paper

The cosmic microwave background (CMB) spectral results of the Far-Infrared Absolute Spectrophotometer (FIRAS) instrument are summarized. Some questions that have been raised about the calibration accuracy are also addressed. Finally, we comment on the potential for major improvements with new measurement approaches. The measurement of the deviation of the CMB spectrum from a 2.725+/-0.001 K blackbody form made by the COBE-FIRAS could be improved by nearly 2 orders of magnitude.

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