All Outputs (37)

Planck 2015 results. IV. Low Frequency Instrument beams and window functions (2016)
Journal Article
Ade, P., Aghanim, N., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., Bonavera, L., Bond, J., Borrill, J., …Zonca, A. (2016). Planck 2015 results. IV. Low Frequency Instrument beams and window functions. Astronomy and Astrophysics, 594, Article A4. https://doi.org/10.1051/0004-6361/201525809

This paper presents the characterization of the in-flight beams, the beam window functions, and the associated uncertainties for the Planck Low Frequency Instrument (LFI). The structure of the paper is similar to that presented in the 2013 Planck rel... Read More about Planck 2015 results. IV. Low Frequency Instrument beams and window functions.

Planck 2015 results. V. LFI calibration (2016)
Journal Article
Ade, P., Aghanim, N., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Battaglia, P., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., Bonavera, L., Bond, J., …Zonca, A. (2016). Planck 2015 results. V. LFI calibration. Astronomy and Astrophysics, 594, Article A5. https://doi.org/10.1051/0004-6361/201526632

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 four years of uninterrupted operations. As in the 2013 data rele... Read More about Planck 2015 results. V. LFI calibration.

Planck 2015 results: XXVIII. The Planck Catalogue of Galactic cold clumps (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J., Borrill, J., …Zonca, A. (2016). Planck 2015 results: XXVIII. The Planck Catalogue of Galactic cold clumps. Astronomy and Astrophysics, 594, Article A28. https://doi.org/10.1051/0004-6361/201525819

We present the Planck Catalogue of Galactic Cold Clumps (PGCC), an all-sky catalogue of Galactic cold clump candidates detected by Planck. This catalogue is the full version of the Early Cold Core (ECC) catalogue, which was made available in 2011 wit... Read More about Planck 2015 results: XXVIII. The Planck Catalogue of Galactic cold clumps.

Planck 2015 results. XIV. Dark energy and modified gravity (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Battaner, E., Battye, R., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., Bonavera, L., …Zonca, A. (2016). Planck 2015 results. XIV. Dark energy and modified gravity. Astronomy and Astrophysics, 594, Article A14. https://doi.org/10.1051/0004-6361/201525814

We study the implications of Planck data for models of dark energy (DE) and modified gravity (MG) beyond the standard cosmological constant scenario. We start with cases where the DE only directly affects the background evolution, considering Taylor... Read More about Planck 2015 results. XIV. Dark energy and modified gravity.

Planck 2015 results. XVIII. Background geometry and topology of the Universe (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Basak, S., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., Bonavera, L., …Zonca, A. (2016). Planck 2015 results. XVIII. Background geometry and topology of the Universe. Astronomy and Astrophysics, 594, Article A18. https://doi.org/10.1051/0004-6361/201525829

Maps of cosmic microwave background (CMB) temperature and polarization from the 2015 release of Planck data provide the highest quality full-sky view of the surface of last scattering available to date. This enables us to detect possible departures f... Read More about Planck 2015 results. XVIII. Background geometry and topology of the Universe.

Planck 2015 results. XXIV. Cosmology from Sunyaev-Zeldovich cluster counts (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartlett, J., Bartolo, N., Battaner, E., Battye, R., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., …Zonca, A. (2016). Planck 2015 results. XXIV. Cosmology from Sunyaev-Zeldovich cluster counts. Astronomy and Astrophysics, 594, Article A24. https://doi.org/10.1051/0004-6361/201525833

We present cluster counts and corresponding cosmological constraints from the Planck full mission data set. Our catalogue consists of 439 clusters detected via their Sunyaev-Zeldovich (SZ) signal down to a signal-to-noise ratio of 6, and is more than... Read More about Planck 2015 results. XXIV. Cosmology from Sunyaev-Zeldovich cluster counts.

Planck 2015 results. XIII. Cosmological parameters (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartlett, J., Bartolo, N., Battaner, E., Battye, R., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., …Zonca, A. (2016). Planck 2015 results. XIII. Cosmological parameters. Astronomy and Astrophysics, 594, Article A13. https://doi.org/10.1051/0004-6361/201525830

This paper presents cosmological results based on full-mission Planck observations of temperature and polarization anisotropies of the cosmic microwave background (CMB) radiation. Our results are in very good agreement with the 2013 analysis of the P... Read More about Planck 2015 results. XIII. Cosmological parameters.

Planck 2015 results. XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Barrena, R., Bartlett, J., Bartolo, N., Battaner, E., Battye, R., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bikmaev, I., …Zonca, A. (2016). Planck 2015 results. XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources. Astronomy and Astrophysics, 594, Article A27. https://doi.org/10.1051/0004-6361/201525823

We present the all-sky Planck catalogue of Sunyaev-Zeldovich (SZ) sources detected from the 29 month full-mission data. The catalogue (PSZ2) is the largest SZ-selected sample of galaxy clusters yet produced and the deepest systematic all-sky surveyof... Read More about Planck 2015 results. XXVII. The second Planck catalogue of Sunyaev-Zeldovich sources.

Planck 2015 results. XIX. Constraints on primordial magnetic fields (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Arroja, F., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A., Barreiro, R., Bartolo, N., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., …Zonca, A. (2016). Planck 2015 results. XIX. Constraints on primordial magnetic fields. Astronomy and Astrophysics, 594, Article A19. https://doi.org/10.1051/0004-6361/201525821

We compute and investigate four types of imprint of a stochastic background of primordial magnetic fields (PMFs) on the cosmic microwave background (CMB) anisotropies: the impact of PMFs on the CMB temperature and polarization spectra, which is relat... Read More about Planck 2015 results. XIX. Constraints on primordial magnetic fields.

Planck 2015 results. XX. Constraints on inflation (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Arroja, F., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A., Barreiro, R., Bartolo, N., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., Bonaldi, A., …Zonca, A. (2016). Planck 2015 results. XX. Constraints on inflation. Astronomy and Astrophysics, 594, Article A20. https://doi.org/10.1051/0004-6361/201525898

We present the implications for cosmic inflation of the Planck measurements of the cosmic microwave background (CMB) anisotropies in both temperature and polarization based on the full Planck survey, which includes more than twice the integration tim... Read More about Planck 2015 results. XX. Constraints on inflation.

Planck 2015 results. XVII. Constraints on primordial non-Gaussianity (2016)
Journal Article
Ade, P., Aghanim, N., Arnaud, M., Arroja, F., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A., Barreiro, R., Bartolo, N., Basak, S., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., …Zonca, A. (2016). Planck 2015 results. XVII. Constraints on primordial non-Gaussianity. Astronomy and Astrophysics, 594, Article A17. https://doi.org/10.1051/0004-6361/201525836

The Planck full mission cosmic microwave background (CMB) temperature and E-mode polarization maps are analysed to obtain constraints on primordial non-Gaussianity (NG). Using three classes of optimal bispectrum estimators – separable template-fittin... Read More about Planck 2015 results. XVII. Constraints on primordial non-Gaussianity.

Planck 2015 results: XVI. Isotropy and statistics of the CMB (2016)
Journal Article
Ade, P., Aghanim, N., Akrami, Y., Aluri, P., Arnaud, M., Ashdown, M., Aumont, J., Baccigalupi, C., Banday, A., Barreiro, R., Bartolo, N., Basak, S., Battaner, E., Benabed, K., Benoît, A., Benoit-Lévy, A., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bock, J., …Zonca, A. (2016). Planck 2015 results: XVI. Isotropy and statistics of the CMB. Astronomy and Astrophysics, 594, Article A16. https://doi.org/10.1051/0004-6361/201526681

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 pol... Read More about Planck 2015 results: XVI. Isotropy and statistics of the CMB.

Planck 2015 results. I. Overview of products and scientific results (2016)
Journal Article
Adam, R., Ade, P., Aghanim, N., Akrami, Y., Alves, M., Argüeso, F., Arnaud, M., Arroja, F., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A., Barreiro, R., Bartlett, J., Bartolo, N., Basak, S., Battaglia, P., Battaner, E., Battye, R., …Zonca, A. (2016). Planck 2015 results. I. Overview of products and scientific results. Astronomy and Astrophysics, 594, Article A1. https://doi.org/10.1051/0004-6361/201527101

The European Space Agency’s Planck satellite, which is 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 Octob... Read More about Planck 2015 results. I. Overview of products and scientific results.

CMB constraints on cosmic strings and superstrings (2016)
Journal Article
Charnock, T., Avgoustidis, A., Copeland, E. J., & Moss, A. (2016). CMB constraints on cosmic strings and superstrings. Physical Review D - Particles, Fields, Gravitation and Cosmology, 93(12), Article 123503. https://doi.org/10.1103/PhysRevD.93.123503

We present the first complete MCMC analysis of cosmological models with evolving cosmic (super)string networks, using the Unconnected Segment Model in the unequal-time correlator formalism. For ordinary cosmic string networks, we derive joint constra... Read More about CMB constraints on cosmic strings and superstrings.

Tension between the power spectrum of density perturbations measured on large and small scales (2015)
Journal Article
Battye, R., Charnock, T., & Moss, A. (2015). Tension between the power spectrum of density perturbations measured on large and small scales. Physical Review D, 91(10), Article 103508. https://doi.org/10.1103/PhysRevD.91.103508

There is a tension between measurements of the amplitude of the power spectrum of density perturbations inferred using the cosmic microwave background (CMB) and directly measured by large-scale structure (LSS) on smaller scales. We show that this ten... Read More about Tension between the power spectrum of density perturbations measured on large and small scales.

Did BICEP2 See Vector Modes? First B-Mode Constraints on Cosmic Defects (2014)
Journal Article
Moss, A., & Pogosian, L. (2014). Did BICEP2 See Vector Modes? First B-Mode Constraints on Cosmic Defects. Physical Review Letters, 112(17), Article 171302. https://doi.org/10.1103/PhysRevLett.112.171302

Scaling networks of cosmic defects, such as strings and textures, actively generate scalar, vector, and tensor metric perturbations throughout the history of the Universe. In particular, vector modes sourced by defects are an efficient source of the... Read More about Did BICEP2 See Vector Modes? First B-Mode Constraints on Cosmic Defects.

Evidence for Massive Neutrinos from Cosmic Microwave Background and Lensing Observations (2014)
Journal Article
BATTYE, R., & MOSS, A. (2014). Evidence for Massive Neutrinos from Cosmic Microwave Background and Lensing Observations. Physical Review Letters, 112(5), Article 051303. https://doi.org/10.1103/PhysRevLett.112.051303

We discuss whether massive neutrinos (either active or sterile) can reconcile some of the tensions within cosmological data that have been brought into focus by the recently released Planck data. We point out that a discrepancy is present when compar... Read More about Evidence for Massive Neutrinos from Cosmic Microwave Background and Lensing Observations.