A measurement of the spectrum of the cosmic background radiation from 1 to 3 millimeter wavelength

Journal Article · Mon Oct 01 00:00:00 EDT 1990 · Astrophysical Journal; (USA)

DOI:https://doi.org/10.1086/169247· OSTI ID:6230727

Bernstein, G M; Fischer, M L; Richards, P L; Peterson, J B; Timusk, T ^[1]

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1. California Univ., Berkeley (USA) Princeton Univ., NJ (USA) McMaster Univ., Hamilton (Canada)

The brightness temperature of the sky is measured in five bands from 1 to 3 mm using apparatus related to that of Woody and Richards (1981) and Peterson et al. (1985). Examination of the data reveals the presence of two previously unknown systematic effects which limit the accuracy of the measurements. Similar systematic effects are most likely present in the data obtained previously with this apparatus. Upper limits to the temperature of the cosmic background radiation are set in four bands; the most stringent is T(CBR) less than 2.88 K at 1.1 mm (95 percent CL). 20 refs.

• OSTI ID: 6230727
• Journal Information: Astrophysical Journal; (USA), Vol. 362; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
RELICT RADIATION
TEMPERATURE MEASUREMENT
BACKGROUND RADIATION
BLACKBODY RADIATION
BRIGHTNESS
PLANCK LAW
SPECTRA
ELECTROMAGNETIC RADIATION
MICROWAVE RADIATION
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
RADIATIONS
640106* - Astrophysics & Cosmology- Cosmology