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CERN Document Server 35 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 1.50 secondi. 
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Euclid. I. Overview of the Euclid mission / Euclid Collaboration
The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. [...]
arXiv:2405.13491.
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Fulltext
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Euclid. IV. The NISP Calibration Unit / Euclid Collaboration
The near-infrared calibration unit (NI-CU) on board Euclid's Near-Infrared Spectrometer and Photometer (NISP) is the first astronomical calibration lamp based on light-emitting diodes (LEDs) to be operated in space. [...]
arXiv:2405.13494.
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Fulltext
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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 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
5.
Planck 2015 results. I. Overview of products and scientific results / Planck Collaboration
The European Space Agency's Planck satellite, dedicated to studying the early Universe and its subsequent evolution, was launched 14~May 2009 and scanned the microwave and submillimetre sky continuously between 12~August 2009 and 23~October 2013. In February~2015, ESA and the Planck Collaboration released the second set of cosmology products based on data from the entire Planck mission, including both temperature and polarization, along with a set of scientific and technical papers and a web-based explanatory supplement. [...]
arXiv:1502.01582.- 2016-09-20 - 38 p. - Published in : Astron. Astrophys. 594 (2016) A1 Fulltext: PDF; External link: Preprint
6.
Planck intermediate results. XXIV. Constraints on variation of fundamental constants / Planck Collaboration
Any variation of the fundamental physical constants, and more particularly of the fine structure constant, $\alpha$, or of the mass of the electron, $m_e$, would affect the recombination history of the Universe and cause an imprint on the cosmic microwave background angular power spectra. We show that the Planck data allow one to improve the constraint on the time variation of the fine structure constant at redshift $z\sim 10^3$ by about a factor of 5 compared to WMAP data, as well as to break the degeneracy with the Hubble constant, $H_0$. [...]
arXiv:1406.7482.- 2015-07-22 - 25 p. - Published in : Astron. Astrophys. 580 (2015) A22 Fulltext: PDF; External link: Preprint
7.
Planck 2013 results. XI. All-sky model of thermal dust emission / Planck Collaboration
This paper presents an all-sky model of dust emission from the Planck 857, 545 and 353 GHz, and IRAS 100 micron data. Using a modified black-body fit to the data we present all-sky maps of the dust optical depth, temperature, and spectral index over the 353-3000 GHz range. [...]
arXiv:1312.1300.- 2014 - 36 p. - Published in : Astron. Astrophys. 571 (2014) A11 External link: Preprint
8.
Planck 2013 results. XXX. Cosmic infrared background measurements and implications for star formation / Planck Collaboration
We present new measurements of CIB anisotropies using Planck. Combining HFI data with IRAS, the angular auto- and cross frequency power spectrum is measured from 143 to 3000 GHz, and the auto-bispectrum from 217 to 545 GHz. [...]
arXiv:1309.0382.- 2014 - 39 p. - Published in : Astron. Astrophys. 571 (2014) A30 External links: Preprint; EDP Sciences Free Access article
9.
Planck 2013 results. XXIX. Planck catalogue of Sunyaev-Zeldovich sources / Planck Collaboration
We describe the all-sky Planck catalogue of clusters and cluster candidates derived from Sunyaev--Zeldovich (SZ) effect detections using the first 15.5 months of Planck satellite observations. The catalogue contains 1227 entries, making it over six times the size of the Planck Early SZ (ESZ) sample and the largest SZ-selected catalogue to date. [...]
arXiv:1303.5089; CERN-PH-TH-2013-141; CERN-PH-TH-2013-141.- 2014-10-29 - 41 p. - Published in : Astron. Astrophys. 571 (2014) A29 Fulltext: PDF; External links: Preprint; EDP Sciences Free Access article
10.
Planck 2013 results. XXVIII. The Planck Catalogue of Compact Sources / Planck Collaboration
The Planck Catalogue of Compact Sources (PCCS) is the catalogue of sources detected in the first 15 months of Planck operations, the "nominal" mission. It consists of nine single-frequency catalogues of compact sources, both Galactic and extragalactic, detected over the entire sky. [...]
arXiv:1303.5088; CERN-PH-TH-2013-140; CERN-PH-TH-2013-140.- 2014-10-29 - 22 p. - Published in : Astron. Astrophys. 571 (2014) A28 Fulltext: PDF; External links: Preprint; EDP Sciences Free Access article

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16 Tavagnacco, D
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