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CERN Document Server 2,042 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.37 secondes. 
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PICTURES OF THE MICROWAVE BACKGROUND FLUCTUATIONS / Efstathiou, G (Cambridge U., Inst. of Astron.)
1986 - Published in : ESO Conf. Workshop Proc. (1986) , pp. 103-112 Fulltext: PDF;
In : 2nd ESO/CERN Symposium on Cosmology, Astronomy and Fundamental Physics, Garching, Germany, 17 - 21 Mar 1986, pp.103-112
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2.
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Astrophysics, cosmology and high energy physics / Rees, Martin J (Cambridge U., Inst. of Astron.)
CERN, 1983 Published version from CERN: PDF;
In : 21st CERN School of Physics, Cambridge, UK, 5 Sep 1982, pp.281-300 (CERN-1983-005)
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Planck 2013 results. XXIII. Isotropy and Statistics of the CMB / Planck Collaboration
The two fundamental assumptions of the standard cosmological model - that the initial fluctuations are statistically isotropic and Gaussian - are rigorously tested using maps of the cosmic microwave background (CMB) anisotropy from the Planck satellite. Deviations from isotropy have been found and demonstrated to be robust against component separation algorithm, mask choice and frequency dependence. [...]
arXiv:1303.5083; CERN-PH-TH-2013-136; CERN-PH-TH-2013-136.- 2014-10-29 - 48 p. - Published in : Astron. Astrophys. 571 (2014) A23 Fulltext: PDF; External links: Preprint; EDP Sciences Free Access article
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Planck 2015 results. XVI. Isotropy and statistics of the CMB / Planck Collaboration
We test the statistical isotropy and Gaussianity of the cosmic microwave background (CMB) anisotropies using observations made by the Planck satellite. Our results are based mainly on the full Planck mission for temperature, but also include some polarization measurements. [...]
arXiv:1506.07135.- 2016-09-20 - 62 p. - Published in : Astron. Astrophys. 594 (2016) A16 Fulltext: PDF; External link: Preprint
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Planck 2015 results. V. LFI calibration / Planck Collaboration
We present a description of the pipeline used to calibrate the Planck Low Frequency Instrument (LFI) timelines into thermodynamic temperatures for the Planck 2015 data release, covering 4 years of uninterrupted operations. As in the 2013 data release, our calibrator is provided by the spin-synchronous modulation of the CMB dipole, exploiting both the orbital and solar components. [...]
arXiv:1505.08022.- 2016-09-20 - 24 p. - Published in : Astron. Astrophys. 594 (2016) A5 Fulltext: PDF; External link: Preprint
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Long-term variations of the green coronal (530.3 nm) irradiance / Rušin, V (Tatranska Lomnica, Astron. Inst.) ; Minarovjech, M (Tatranska Lomnica, Astron. Inst.) ; Saniga, M (Tatranska Lomnica, Astron. Inst.) ; Klocok, L (Tatranska Lomnica, Astron. Inst.)
2006 - 5 p.
In : ILWS Workshop on Solar Influence on the Heliosphere and Earth's Environment, Goa, India, 19 - 24 Feb 2006, pp.165-169
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Planck 2015 results. XI. CMB power spectra, likelihoods, and robustness of parameters / Planck Collaboration
This paper presents the Planck 2015 likelihoods, statistical descriptions of the 2-point correlation functions of CMB temperature and polarization. They use the hybrid approach employed previously: pixel-based at low multipoles, $\ell$, and a Gaussian approximation to the distribution of cross-power spectra at higher $\ell$. [...]
arXiv:1507.02704.- 2016-09-20 - 99 p. - Published in : Astron. Astrophys. 594 (2016) A11 Fulltext: PDF; External link: Preprint
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Planck 2013 results. XVIII. Gravitational lensing-infrared background correlation / Planck Collaboration
The multi-frequency capability of the Planck satellite provides information both on the integrated history of star formation (via the cosmic infrared background, or CIB) and on the distribution of dark matter (via the lensing effect on the cosmic microwave background, or CMB). The conjunction of these two unique probes allows us to measure directly the connection between dark and luminous matter in the high redshift (1 < z <3) Universe. [...]
arXiv:1303.5078; CERN-PH-TH-2013-131; CERN-PH-TH-2013-131.- 2014-10-29 - 24 p. - Published in : Astron. Astrophys. 571 (2014) A18 External links: Preprint; EDP Sciences Free Access article
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Planck 2018 results. I. Overview and the cosmological legacy of Planck / Planck Collaboration
The European Space Agency's Planck satellite, which was dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave and submillimetre sky continuously between 12 August 2009 and 23 October 2013, producing deep, high-resolution, all-sky maps in nine frequency bands from 30 to 857GHz. [...]
arXiv:1807.06205.- 2020-09-01 - 56 p. - Published in : Astron. Astrophys. 641 (2020) A1 Fulltext: 1807.06205 - PDF; arXiv:1807.06205 - PDF;
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Planck 2013 Results. XXIV. Constraints on primordial non-Gaussianity / Planck Collaboration
The Planck nominal mission cosmic microwave background (CMB) maps yield unprecedented constraints on primordial non-Gaussianity (NG). Using three optimal bispectrum estimators, separable template-fitting (KSW), binned, and modal, we obtain consistent values for the primordial local, equilateral, and orthogonal bispectrum amplitudes, quoting as our final result fNL^local= 2.7+/-5.8, fNL^equil= -42+/-75, and fNL^ortho= -25+\-39 (68% CL statistical). [...]
arXiv:1303.5084; CERN-PH-TH-2013-137; CERN-PH-TH-2013-137.- 2014-10-29 - 58 p. - Published in : Astron. Astrophys. 571 (2014) A24 Fulltext: PDF; External links: Preprint; EDP Sciences Free Access article
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