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43 papers · 2 filters
The XXL Survey: I. Scientific motivations - XMM-Newton observing plan - Follow-up observations and simulation programme
M. Pierre, F. Pacaud, C. Adami +89
We present the XXL Survey, the largest XMM programme totaling some 6.9 Ms to date and involving an international consortium of roughly 100 members. The XXL Survey covers two extrag…
Prospects for high-z cluster detections with Planck, based on a follow-up of 28 candidates using MegaCam@CFHT
R. F. J. van der Burg, H. Aussel, G. W. Pratt +13
The Planck catalogue of SZ sources limits itself to a significance threshold of 4.5 to ensure a low contamination rate by false cluster candidates. This means that only the most ma…
Planck intermediate results. XLI. A map of lensing-induced B-modes
Planck Collaboration, P. A. R. Ade, N. Aghanim +178
The secondary cosmic microwave background (CMB) -modes stem from the post-decoupling distortion of the polarization -modes due to the gravitational lensing effect of large-sc…
Planck intermediate results. XL. The Sunyaev-Zeldovich signal from the Virgo cluster
Planck Collaboration, P. A. R. Ade, N. Aghanim +202
The Virgo cluster is the largest Sunyaev-Zeldovich (SZ) source in the sky, both in terms of angular size and total integrated flux. Planck's wide angular scale and frequency covera…
Characterization of foreground emission at degree angular scale for CMB B-modes observations. Thermal Dust and Synchrotron signal from Planck and WMAP data
N. Krachmalnicoff, C. Baccigalupi, J. Aumont +2
We quantify the contamination from polarized diffuse Galactic synchrotron and thermal dust emissions to the B-modes of the CMB anisotropies on the degree angular scale, using data…
X-ray galaxy clusters abundance and mass temperature scaling
Stéphane Ilic, Alain Blanchard, Marian Douspis
The abundance of clusters of galaxies is known to be a potential source of cosmological constraints through their mass function. In the present work, we examine the information tha…
Relieving tensions related to the lensing of CMB temperature power spectra
F. Couchot, S. Henrot-Versillé, O. Perdereau +4
The angular power spectra of the cosmic microwave background (CMB) temperature anisotropies reconstructed from Planck data seem to present too much gravitational lensing distortion…
High angular resolution Sunyaev-Zel'dovich observations of MACS J1423.8+2404 with NIKA: Multiwavelength analysis
R. Adam, B. Comis, I. Bartalucci +42
The prototype of the NIKA2 camera, NIKA, is an instrument operating at the IRAM 30-m telescope, which can observe simultaneously at 150 and 260GHz. One of the main goals of NIKA2 i…
Planck 2015 results. XXIII. The thermal Sunyaev-Zeldovich effect--cosmic infrared background correlation
Planck Collaboration, P. A. R. Ade, N. Aghanim +199
We use Planck data to detect the cross-correlation between the thermal Sunyaev-Zeldovich (tSZ) effect and the infrared emission from the galaxies that make up the the cosmic infrar…
Planck 2015 results. XII. Full Focal Plane simulations
Planck Collaboration, P. A. R. Ade, N. Aghanim +228
We present the 8th Full Focal Plane simulation set (FFP8), deployed in support of the Planck 2015 results. FFP8 consists of 10 fiducial mission realizations reduced to 18144 maps,…
A new parameterization of the reionisation history
Marian Douspis, Nabila Aghanim, Stéphane Ilić +1
Motivated by the current constraints on the epoch of reionisation from recent cosmic microwave background observations, ionising background measurements of star-forming galaxies, a…
The binned bispectrum estimator: template-based and non-parametric CMB non-Gaussianity searches
Martin Bucher, Benjamin Racine, Bartjan van Tent
We describe the details of the binned bispectrum estimator as used for the official 2013 and 2015 analyses of the temperature and polarization CMB maps from the ESA Planck satellit…
Effective Theory of Dark Energy at Redshift Survey Scales
Jérôme Gleyzes, David Langlois, Michele Mancarella +1
We explore the phenomenological consequences of general late-time modifications of gravity in the quasi-static approximation, in the case where cold dark matter is non-minimally co…
Planck 2013 results. XXXI. Consistency of the Planck data
Planck Collaboration, P. A. R. Ade, M. Arnaud +180
The Planck design and scanning strategy provide many levels of redundancy that can be exploited to provide tests of internal consistency. One of the most important is the compariso…
New constraints on primordial gravitational waves from Planck 2015
Luca Pagano, Laura Salvati, Alessandro Melchiorri
We show that the new precise measurements of Cosmic Microwave Background (CMB) temperature and polarization anisotropies made by the Planck satellite significantly improves previou…
Planck 2015 results. III. LFI systematic uncertainties
Planck Collaboration, P. A. R. Ade, J. Aumont +166
We present the current accounting of systematic effect uncertainties for the Low Frequency Instrument (LFI) that are relevant to the 2015 release of the Planck cosmological results…
Planck 2015 results. XI. CMB power spectra, likelihoods, and robustness of parameters
Planck Collaboration, N. Aghanim, M. Arnaud +221
This paper presents the Planck 2015 likelihoods, statistical descriptions of the 2-point correlations of CMB data, using the hybrid approach employed previously: pixel-based at $\e…
Planck 2015 results. XXVI. The Second Planck Catalogue of Compact Sources
Planck Collaboration, P. A. R. Ade, N. Aghanim +240
The Second Planck Catalogue of Compact Sources is a catalogue of sources detected in single-frequency maps from the full duration of the Planck mission and supersedes previous vers…
Intergalactic Magnetogenesis at Cosmic Dawn by Photoionization
Jean-Baptiste Durrive, Mathieu Langer
We present a detailed analysis of an astrophysical mechanism that generates cosmological magnetic fields during the Epoch of Reionization. It is based on the photoionization of the…
Planck 2015 results. XVI. Isotropy and statistics of the CMB
Planck Collaboration, P. A. R. Ade, N. Aghanim +242
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…
Detecting the tensor-to-scalar ratio with the pure pseudospectrum reconstruction of -mode
A. Ferté, J. Peloton, J. Grain +1
In this work we employ the pure-pseudo formalism devised to minimise the effects of the leakage on the variance of power spectrum estimates and discuss the limits on the tensor-to-…
A weak lensing analysis of the PLCK G100.2-30.4 cluster
M. Radovich, I. Formicola, M. Meneghetti +12
We present a mass estimate of the Planck-discovered cluster PLCK G100.2-30.4, derived from a weak lensing analysis of deep SUBARU griz images. We perform a careful selection of the…
Effective Theory of Interacting Dark Energy
Jérôme Gleyzes, David Langlois, Michele Mancarella +1
We present a unifying treatment of dark energy and modified gravity that allows distinct conformal-disformal couplings of matter species to the gravitational sector. In this very g…
Planck Intermediate Results. XXXVI. Optical identification and redshifts of Planck SZ sources with telescopes in the Canary Islands Observatories
Planck Collaboration, P. A. R. Ade, N. Aghanim +187
We present the results of approximately three years of observations of Planck Sunyaev-Zeldovich (SZ) sources with telescopes at the Canary Islands observatories as part of the gene…