The evolution of the cosmic microwave background temperature Measurements of TCMB at high redshift from carbon monoxide excitation

@article{Noterdaeme2011TheEO,
title={The evolution of the cosmic microwave background temperature Measurements of TCMB at high redshift from carbon monoxide excitation},
author={Pasquier Noterdaeme and Patrick Petitjean and Raghunathan Srianand and C{\'e}dric Ledoux and Sebasti{\'a}n L{\'o}pez},
journal={Astronomy and Astrophysics},
year={2011},
volume={526}
}
• Published 14 December 2010
• Physics
• Astronomy and Astrophysics
A milestone of modern cosmology was the prediction and serendipitous discovery of the cosmic microwave background (CMB), the radiation leftover after decoupling from matter in the early evolutionary stages of the Universe. A prediction of the standard hot Big-Bang model is the linear increase with redshift of the black-body temperature of the CMB (TCMB). This radiation excites the rotational levels of some interstellar molecules, including carbon monoxide (CO), which can serve as cosmic…

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