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Measurement of the Microwave Background Temperature from CN Absorption

Published online by Cambridge University Press:  19 July 2016

N. Mandolesi ,
P. Crane  and
D.J. Hegyi
N. Mandolesi
Affiliation:
Istituto TESRE-CNR, Via de' Castagnoli, 1, 40126 Bologna, Italy
P. Crane
Affiliation:
European Southern Observatory, Karl Schwarzschildstrasse, 2 D-8045 Garching, Western Germany
D.J. Hegyi
Affiliation:
Department of Physics, University of Michigan, Ann Arbor, Michigan USA

Abstract

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Observations of the interstellar lines of CN near 3875Å toward ζ Oph provide precise measurements of the Microwave Background Radiation (MBR) temperature and determine the intrinsic linewidth necessary for the saturation correction. We report TMBR=2.74±0.05 K at λ=2.64 mm and TMBR=2.75 (+0.24, −0.29) K at λ=1.32 mm.

Type
Chapter I: The Microwave Background Radiation
Information
Symposium - International Astronomical Union , Volume 124: Observational Cosmology , 1987 , pp. 59 - 61
Copyright
Copyright © Reidel 1987 

References

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