Searcharxiv⌕ Search
Home/Archive/arXiv

arXiv · 1303.5062

Planck 2013 results. I. Overview of products and scientific results

Planck Collaboration·P. A. R. Ade·N. Aghanim·M. I. R. Alves·C. Armitage-Caplan·M. Arnaud·M. Ashdown·F. Atrio-Barandela·J. Aumont·H. Aussel·C. Baccigalupi·A. J. Banday·R. B. Barreiro·R. Barrena·M. Bartelmann·J. G. Bartlett·N. Bartolo·S. Basak·E. Battaner·R. Battye·K. Benabed·A. Benoît·A. Benoit-Lévy·J. -P. Bernard·M. Bersanelli·B. Bertincourt·M. Bethermin·P. Bielewicz·I. Bikmaev·A. Blanchard·J. Bobin·J. J. Bock·H. Böhringer·A. Bonaldi·L. Bonavera·J. R. Bond·J. Borrill·F. R. Bouchet·F. Boulanger·H. Bourdin·J. W. Bowyer·M. Bridges·M. L. Brown·M. Bucher·R. Burenin·C. Burigana·R. C. Butler·E. Calabrese·B. Cappellini·J. -F. Cardoso·R. Carr·P. Carvalho·M. Casale·G. Castex·A. Catalano·A. Challinor·A. Chamballu·R. -R. Chary·X. Chen·H. C. Chiang·L. -Y Chiang·G. Chon·P. R. Christensen·E. Churazov·S. Church·M. Clemens·D. L. Clements·S. Colombi·L. P. L. Colombo·C. Combet·B. Comis·F. Couchot·A. Coulais·B. P. Crill·M. Cruz·A. Curto·F. Cuttaia·A. Da Silva·H. Dahle·L. Danese·R. D. Davies·R. J. Davis·P. de Bernardis·A. de Rosa·G. de Zotti·T. Déchelette·J. Delabrouille·J. -M. Delouis·J. Démoclès·F. -X. Désert·J. Dick·C. Dickinson·J. M. Diego·K. Dolag·H. Dole·S. Donzelli·O. Doré·M. Douspis·A. Ducout·J. Dunkley
View original source ↗Read source document ↗Export metadata ↓

Abstract

The ESA's Planck satellite, dedicated to studying the early Universe and its subsequent evolution, was launched 14 May 2009 and has been scanning the microwave and submillimetre sky continuously since 12 August 2009. This paper gives an overview of the mission and its performance, the processing, analysis, and characteristics of the data, the scientific results, and the science data products and papers in the release. The science products include maps of the CMB and diffuse extragalactic foregrounds, a catalogue of compact Galactic and extragalactic sources, and a list of sources detected through the SZ effect. The likelihood code used to assess cosmological models against the Planck data and a lensing likelihood are described. Scientific results include robust support for the standard six-parameter LCDM model of cosmology and improved measurements of its parameters, including a highly significant deviation from scale invariance of the primordial power spectrum. The Planck values for these parameters and others derived from them are significantly different from those previously determined. Several large-scale anomalies in the temperature distribution of the CMB, first detected by WMAP, are confirmed with higher confidence. Planck sets new limits on the number and mass of neutrinos, and has measured gravitational lensing of CMB anisotropies at greater than 25 sigma. Planck finds no evidence for non-Gaussianity in the CMB. Planck's results agree well with results from the measurements of baryon acoustic oscillations. Planck finds a lower Hubble constant than found in some more local measures. Some tension is also present between the amplitude of matter fluctuations derived from CMB data and that derived from SZ data. The Planck and WMAP power spectra are offset from each other by an average level of about 2% around the first acoustic peak.

Explore related subjects

astro-ph.CO

Keep this discovery

BibTeXRIS

Planck Collaboration, P. A. R. Ade, N. Aghanim, M. I. R. Alves, C. Armitage-Caplan, M. Arnaud, M. Ashdown, F. Atrio-Barandela, J. Aumont, H. Aussel, C. Baccigalupi, A. J. Banday, R. B. Barreiro, R. Barrena, M. Bartelmann, J. G. Bartlett, N. Bartolo, S. Basak, E. Battaner, R. Battye, K. Benabed, A. Benoît, A. Benoit-Lévy, J. -P. Bernard, M. Bersanelli, B. Bertincourt, M. Bethermin, P. Bielewicz, I. Bikmaev, A. Blanchard, J. Bobin, J. J. Bock, H. Böhringer, A. Bonaldi, L. Bonavera, J. R. Bond, J. Borrill, F. R. Bouchet, F. Boulanger, H. Bourdin, J. W. Bowyer, M. Bridges, M. L. Brown, M. Bucher, R. Burenin, C. Burigana, R. C. Butler, E. Calabrese, B. Cappellini, J. -F. Cardoso, R. Carr, P. Carvalho, M. Casale, G. Castex, A. Catalano, A. Challinor, A. Chamballu, R. -R. Chary, X. Chen, H. C. Chiang, L. -Y Chiang, G. Chon, P. R. Christensen, E. Churazov, S. Church, M. Clemens, D. L. Clements, S. Colombi, L. P. L. Colombo, C. Combet, B. Comis, F. Couchot, A. Coulais, B. P. Crill, M. Cruz, A. Curto, F. Cuttaia, A. Da Silva, H. Dahle, L. Danese, R. D. Davies, R. J. Davis, P. de Bernardis, A. de Rosa, G. de Zotti, T. Déchelette, J. Delabrouille, J. -M. Delouis, J. Démoclès, F. -X. Désert, J. Dick, C. Dickinson, J. M. Diego, K. Dolag, H. Dole, S. Donzelli, O. Doré, M. Douspis, A. Ducout, J. Dunkley. 2013-03-20. Planck 2013 results. I. Overview of products and scientific results. https://doi.org/10.1051/0004-6361/201321529

Cite the original work for its findings. Save a collection to share your selection of sources.

KEEP EXPLORING

Related papers

arXiv2026

Constraining spinning primordial black holes with interstellar dust heating

Primordial black holes (PBHs) are a well-motivated dark matter candidate, and their cosmic abundance is constrained by a variety of observational probes. PBHs in the mass range $10^{15}\,\text{g}\,{-}\,10^{17}\,\text{g}$ are evaporating today via Hawking radiation, a process that can heat interstellar dust and modify its thermal emission. Recent studies have used this effect to place constraints on the abundance of non-spinning PBHs. We extend this approach by investigating the influence of PBH spin on dust-heating constraints. Furthermore, we account for secondary photons that originate not only from the decay of gauge bosons but also from the decay of hadrons produced via the fragmentation of primary quarks and gluons emitted through Hawking radiation. By comparing the dust heating rate induced by spinning PBHs with the maximum cooling rate of dust, considering both silicate and graphite grains, we derive new upper limits on the fraction of dark matter in the form of PBHs, $f_{\rm PBH}$. Our results show that the constraints depend on both PBH mass and spin. Smaller PBHs with higher spin yield stronger limits. For example, in the cases we investigated, the strongest constraint is $f_{\rm PBH} \sim 1.5 \times 10^{-4}$ for $M_{\rm PBH} = 10^{15}{\rm g}$ and spin parameter $a_{*} = 0.9999$. Although these limits are less stringent than existing constraints in the same mass range, they provide a distinct and complementary approach to constraining the abundance of PBHs.

astro-ph.CO↗
arXiv2026

Two-parameter continuous deformation of Starobinsky inflation as a bridge between Planck and ACT DESI data with $N_\star\in(50,60)$

We present a family of plateau-type inflationary potentials, eq.~\eqref{Vgeneral}, and analyze a two-parameter $\alpha\beta$-Starobinsky specialization that interpolates continuously between a \emph{maximal} plateau ($V\!\to\!V_0$) and a \emph{submaximal} plateau ($V\!\to\!V_\infty 0$ with $x_\star\gg 1/\beta$ the slow-roll scaling laws change to $n_s\simeq 1-\frac{4}{3N_\star},\, r\simeq\mathcal{C}(\alpha,\beta)\,N_\star^{-4/3},$ with an explicit coefficient $\mathcal{C}(\alpha,\beta)$ set by the plateau truncation. This deformation lifts $n_s$ at fixed $N_\star$ while further suppressing $r$, reconciling the Planck~2018 constraint $n_s=0.9649\pm0.0042$ (68\% CL) and BICEP/Keck18 data $r_{0.05}<0.036$ (95\% CL), with the higher central values $n_s\sim0.97$--$0.98$ preferred by ACT+DESI~DR2 (BAO), within the theoretically motivated interval $N_\star\in(50,60)$ and without exotic reheating. We provide an exact identity for $V/V'$ enabling analytic control of $N_\star$, a practical crossover criterion $\beta\,x_\star\ll1$ vs.\ $\gg1$, and a transparent mapping between $(\alpha,\beta)$ and the observables $(n_s,r,N_\star)$. These yield sharp, testable signatures, particularly the softened $N_\star$-scaling of $r$, that distinguish a maximal from a submaximal plateau with upcoming CMB and LSS data.

astro-ph.CO↗
arXiv2026

A Tale of Two Gauges: Effective Field Theory for Relativistic Behavior of Cosmological Axions

In this work, we present a formalism to model the relativistic behavior of axions. The relativistic behavior of axions is surprisingly difficult to model precisely, as it involves oscillations on timescales much shorter than the Hubble timescale. To overcome this challenge, one typically resorts to some form of effective treatment, focusing only on the time-averaged description of the exact oscillations. Salehian, Namjoo & Kaiser provide a systematic framework for such treatment, based on the effective field theory formalism. While the aforementioned study was formulated for axion perturbations in the Newtonian gauge with no anisotropic stress, we extend the formalism to the synchronous gauge that is more conventionally used for numerical implementation in a realistic cosmological setting. Unlike their work, however, we propose a fluid interpretation in which the axion field can be identified as a perfect fluid at all times, both in the exact and effective regimes. Moreover, we present the effective field theory for the Newtonian gauge with non-zero anisotropic stress, making the original formulation more general and useful for scenarios where the matter content of the universe is multi-component. These results lay the theoretical foundation for a companion paper where we discuss how the axion field should be incorporated alongside other species in common cosmological Boltzmann solvers.

astro-ph.CO↗