Observations of cosmic background radiation anisotropy from Antarctica

Details Observations of cosmic background radiation anisotropy from Antarctica Observations of cosmic background radiation anisotropy from Antarctica

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...331..547d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 331, Aug. 1, 1988, p. 547-553. Research supported by Ministero della Pubbli

Astronomy and Astrophysics

Astrophysics

10

Anisotropy, Background Radiation, Emission Spectra, Relic Radiation, Airglow, Antarctic Regions, Bolometers, Galactic Radio Waves, Milky Way Galaxy

Scientific paper

The authors describe a ground-based experiment carried out in Terra Nova Bay, Antarctica, in order to detect anisotropies in cosmic background radiation at an angular scale of 1°.3. They used a 1 m diameter flux collector and an 3He-cooled bolometric detector sensitive to radiation with wavelength between 1.86 and 2.34 mm. Observations were carried out during the Antarctic summer and are limited by atmospheric emission fluctuations. The authors derive an upper limit for CBR anisotropies ΔT/T(2.75 K) < 2.5×10-4 at the 95% confidence level at 1°.3 of angular scale.

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