Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.228..313t&link_type=abstract
Astrophysics and Space Science, v. 228, Proceedings of the fourth United Nations/European Space Agency Workshop, Cairo, Egypt, 2
Astronomy and Astrophysics
Astrophysics
4
Scientific paper
The measured anisotropies in the temperature of the cosmic microwave background radiation (CMB) by the Cosmic Background Explorer (COBE) are consistent with models of gravitational collapse for the formation of large scale structure in the universe. The amplitude of cosmological fluctuations on the largest scales is fixed by COBE. From COBE's data it is also possible to test for the shape of the primordial spectrum. Statistical tests using COBE's two year data and based on the geometric characteristics of anisotropy spots taking into account ‘cosmic variance’ and the relevant experimental details indicate that the primordial spectrum has a slope in the rangen = 0.8 1.3. Possible identification of hot and cold spots of cosmological origin is also given.
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