ARCADE 2 MEASUREMENT OF THE EXTRA-GALACTIC SKY TEMPERATURE AT 3-90 GHZ

@article{Fixsen2009ARCADE2M,
  title={ARCADE 2 MEASUREMENT OF THE EXTRA-GALACTIC SKY TEMPERATURE AT 3-90 GHZ},
  author={D. Fixsen and A. Kogut and S. Levin and M. Limon and P. Lubin and P. Mirel and M. Seiffert and J. Singal and Edward J. Wollack and T. Villela and C. Wuensche},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2009}
}
The ARCADE 2 instrument has measured the absolute temperature of the sky at frequencies 3, 8, 10, 30, and 90 GHz, using an open-aperture cryogenic instrument observing at balloon altitudes with no emissive windows between the beam-forming optics and the sky. An external blackbody calibrator provides an in situ reference. Systematic errors were greatly reduced by using differential radiometers and cooling all critical components to physical temperatures approximating the CMB temperature. A… Expand
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References

IEEE Trans on Inst and Measurements
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