Computer Science – Databases
Scientific paper
Jun 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1241..230m&link_type=abstract
INVISIBLE UNIVERSE: Proceedings of the Conference. AIP Conference Proceedings, Volume 1241, pp. 230-235 (2010).
Computer Science
Databases
1
Cosmic Background Radiation, Dark Matter, Cosmology, Sky Surveys, Background Radiations, Dark Matter, Origin And Formation Of The Universe, Astronomical Catalogs, Atlases, Sky Surveys, Databases, Retrieval Systems, Archives, Etc.
Scientific paper
The lack of large angular correlations of the temperature fluctuation on the cosmic microwave background (hereafter CMB) sky have been considered by some to be the serious problems for the standard inflationary Λ cold dark matter cosmology (hereafter ΛCDM). In this work, we analyze the angular correlation function of the CMB sky. We present a method of reconstructing the multipole coefficient alm of temperature fluctuation on the entire sky from the CMB maps that include a sky-cut (e.g. KQ75 mask). From these reconstructions we calculate the angular correlation function of the temperature fluctuations. We apply an optimal estimator of the alm and show that it is possible to compute the angular correlation function at large angular scales from our realization of the sky even if a sky cut is applied to the data.
Efstathiou George
Hanson Duncan
Ma Yin-Zhe
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