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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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32 papers · 2 filters
Vainshtein mechanism after GW170817
Marco Crisostomi, Kazuya Koyama
The almost simultaneous detection of gravitational waves and a short gamma-ray burst from a neutron star merger has put a tight constraint on the difference between the speed of gr…
ATCA observations of the MACS-Planck Radio Halo Cluster Project II. Radio observations of an intermediate redshift cluster sample
G. Martinez Aviles, M. Johnston-Hollitt, C. Ferrari +16
A fraction of galaxy clusters host diffuse radio sources whose origins are investigated through multi-wavelength studies of cluster samples. We investigate the presence of diffuse…
Sub-structure and merger detection in resolved NIKA Sunyaev-Zel'dovich images of distant clusters
R. Adam, O. Hahn, F. Ruppin +48
Sub-structures in the hot gas of galaxy clusters are related to their formation history and to the astrophysical processes at play in the intracluster medium (ICM). The thermal Sun…
First Sunyaev-Zel'dovich mapping with the NIKA2 camera: Implication of cluster substructures for the pressure profile and mass estimate
F. Ruppin, F. Mayet, G. W. Pratt +37
The complete characterization of the pressure profile of high-redshift galaxy clusters, from their core to their outskirts, is a major issue for the study of the formation of large…
Self-accelerating universe in scalar-tensor theories after GW170817
Marco Crisostomi, Kazuya Koyama
The recent simultaneous detection of gravitational waves and a gamma ray burst from a neutron star merger significantly shrank the space of viable scalar-tensor theories by demandi…
Mean Energy Density of Photogenerated Magnetic Fields Throughout the Epoch of Reionization
Jean-Baptiste Durrive, Hiroyuki Tashiro, Mathieu Langer +1
Magnetic fields are ubiquitous in the Universe. They seem to be present at virtually all scales and all epochs. Yet, whether the fields on cosmological scales are of astrophysical…
Non-Gaussianity of secondary anisotropies from ACTPol and Planck
William R. Coulton, Simone Aiola, Nicholas Battaglia +22
Most secondary sources of cosmic microwave background anisotropy (radio sources, dusty galaxies -DSFGs-, thermal Sunyaev Zel'dovich -tSZ- distortions from hot gas, and gravitationa…
Gas and galaxies in filament between clusters of galaxies: The study of A399-A401
V. Bonjean, N. Aghanim, P. Salomé +2
We have performed a multi-wavelength analysis of two galaxy cluster systems selected with the thermal Sunyaev-Zel'dovich (tSZ) effect and composed of cluster pairs and an inter-clu…
A gravitational-wave standard siren measurement of the Hubble constant
B. P. Abbott, R. Abbott, T. D. Abbott +1308
The detection of GW170817 in both gravitational waves and electromagnetic waves heralds the age of gravitational-wave multi-messenger astronomy. On 17 August 2017 the Advanced LIGO…
Observational constraints on key-parameters of cosmic reionisation history
Adélie Gorce, Marian Douspis, Nabila Aghanim +1
We discuss constraints on cosmic reionisation and their implications on a cosmic SFR density model; we study the influence of key-parameters such as the clumping f…
A Search for Warm/Hot Gas Filaments Between Pairs of SDSS Luminous Red Galaxies
Hideki Tanimura, Gary Hinshaw, Ian G. McCarthy +6
We search the Planck data for a thermal Sunyaev-Zel'dovich (tSZ) signal due to gas filaments between pairs of Luminous Red Galaxies (LRG's) taken from the Sloan Digital Sky Survey…
The XMM Cluster Outskirts Project (X-COP): Thermodynamic properties of the Intracluster Medium out to in Abell 2319
V. Ghirardini, S. Ettori, D. Eckert +5
We present the joint analysis of the X-ray and SZ signals in A2319, the galaxy cluster with the highest signal-to-noise ratio in Planck maps and that has been surveyed within our X…
Constraints from thermal Sunyaev-Zeldovich cluster counts and power spectrum combined with CMB
Laura Salvati, Marian Douspis, Nabila Aghanim
Thermal Sunyaev-Zel'dovich effect is one of the recent probes of cosmology and large scale structures. We update constraints on cosmological parameters from galaxy clusters observe…
Mapping the hot gas temperature in galaxy clusters using X-ray and Sunyaev-Zel'dovich imaging
R. Adam, M. Arnaud, I. Bartalucci +42
We propose a method to map the temperature distribution of the hot gas in galaxy clusters that uses resolved images of the thermal Sunyaev-Zel'dovich (tSZ) effect in combination wi…
A multi-instrument non-parametric reconstruction of the electron pressure profile in the galaxy cluster CLJ1226.9+3332
C. Romero, M. McWilliam, J. -F. Macıas-Perez +36
Context: In the past decade, sensitive, resolved Sunyaev-Zel'dovich (SZ) studies of galaxy clusters have become common. Whereas many previous SZ studies have parameterized the pres…
Exploring cosmic origins with CORE: mitigation of systematic effects
P. Natoli, M. Ashdown, R. Banerji +123
We present an analysis of the main systematic effects that could impact the measurement of CMB polarization with the proposed CORE space mission. We employ timeline-to-map simulati…
Exploring cosmic origins with CORE: gravitational lensing of the CMB
Anthony Challinor, Rupert Allison, Julien Carron +110
Lensing of the CMB is now a well-developed probe of large-scale clustering over a broad range of redshifts. By exploiting the non-Gaussian imprints of lensing in the polarization o…
Primordial nucleosynthesis
Alain Coc, Elisabeth Vangioni
Primordial nucleosynthesis, or big bang nucleosynthesis (BBN), is one of the three evidences for the big bang model, together with the expansion of the universe and the cosmic micr…
Measuring Polarized Emission in Clusters in the CMB S4 Era
Thibaut Louis, Emory F. Bunn, Benjamin Wandelt +1
The next generation of CMB experiments (CMB Stage-4) will produce a Sunyaev-Zel'dovich (SZ) cluster catalog containing objects, two orders of magnitudes more than curr…
A Measurement of the Cosmic Microwave Background -Mode Polarization Power Spectrum at Sub-Degree Scales from 2 years of POLARBEAR Data
The POLARBEAR Collaboration, P. A. R. Ade, M. Aguilar +79
We report an improved measurement of the cosmic microwave background (CMB) -mode polarization power spectrum with the POLARBEAR experiment at 150 GHz. By adding new data collect…
Exploring cosmic origins with CORE: effects of observer peculiar motion
C. Burigana, C. S. Carvalho, T. Trombetti +116
We discuss the effects on the CMB, CIB, and thermal SZ effect due to the peculiar motion of an observer with respect to the CMB rest frame, which induces boosting effects. We inves…
Exploring Cosmic Origins with CORE: B-mode Component Separation
M. Remazeilles, A. J. Banday, C. Baccigalupi +113
We demonstrate that, for the baseline design of the CORE satellite mission, the polarized foregrounds can be controlled at the level required to allow the detection of the primordi…
Exploring Cosmic Origins with CORE: Cluster Science
J. -B. Melin, A. Bonaldi, M. Remazeilles +118
We examine the cosmological constraints that can be achieved with a galaxy cluster survey with the future CORE space mission. Using realistic simulations of the millimeter sky, pro…
Cosmological constraints on the neutrino mass including systematic uncertainties
F. Couchot, S. Henrot-Versillé, O. Perdereau +4
When combining cosmological and oscillations results to constrain the neutrino sector, the question of the propagation of systematic uncertainties is often raised. We address this…