Detectability of the 21 cm-CMB cross-correlation from the EoR (2009)
Tashiro, Hiroyuki, Aghanim, Nabila, Langer, Mathieu, Douspis, Marian, Zaroubi, Saleem, Jelic, Vibor
The 21-cm line fluctuations and the cosmic microwave background (CMB) are powerful probes of the epoch of reionisation of the universe. We study the potential of the cross-correlation between 21-cm...
Jelic, Vibor, Zaroubi, Saleem, Aghanim, Nabila, Douspis, Marian, Koopmans, Leon V. E., Langer, Mathieu, ...
The Universe's Epoch of Reionization (EoR) can be studied using a number of observational probes that provide complementary or corroborating information. Each of these probes suffers from its own...
Schaefer, Bjoern Malte, Douspis, Marian, Aghanim, Nabila
The subject of this paper is a quantification of the impact of uncertainties in bias and bias evolution on the interpretation of measurements of the integrated Sachs-Wolfe effect, in particular on...
Biases on the cosmological parameters and thermal SZ residuals (2008)
Taburet, Nicolas, Aghanim, Nabila, Douspis, Marian, Langer, Mathieu
We examine the biases induced on cosmological parameters when the presence of secondary anisotropies is not taken into account in Cosmic Microwave Background analyses. We first develop an exact...
Tashiro, Hiroyuki, Aghanim, Nabila, Langer, Mathieu, Douspis, Marian, Zaroubi, Saleem
The cosmic microwave background (CMB) polarisation and the 21 cm line fluctuations are powerful probes of cosmological reionisation. We study how the cross-correlation between the CMB polarisation...
Optimising large galaxy surveys for ISW detection (2008)
Douspis, Marian, Castro, Patricia G., Caprini, Chiara, Aghanim, Nabila
We report on investigations of the power of next generation cosmic microwave background and large scale structure surveys in constraining the nature of dark energy through the cross-correlation of...
Secondary anisotropies of the CMB (2007)
Aghanim, Nabila, Majumdar, Subhabrata, Silk, Joseph
The Cosmic Microwave Background fluctuations provide a powerful probe of the dark ages of the universe through the imprint of the secondary anisotropies associated with the reionisation of the...
Secondary B-mode polarization from Faraday rotation in clusters and galaxies (2007)
Tashiro, Hiroyuki, Aghanim, Nabila, Langer, Mathieu
We revisit the polarisation induced by Faraday rotation when Cosmic Microwave Background photons traverse magnetised plasma. We compute the secondary B-mode angular power spectrum from Faraday...
Kay, Scott T., Da Silva, Antonio C., Aghanim, Nabila, Blanchard, Alain, Liddle, Andrew R., Puget, Jean-Loup, ...
We present results from a study of the X-ray cluster population that forms within the CLEF cosmological hydrodynamics simulation, a large N-body/SPH simulation of the Lambda CDM cosmology with...
Small scale contributions to CMB: A coherent analysis (2006)
Douspis, Marian, Aghanim, Nabila, Langer, Mathieu
We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially...
Small scale contributions to CMB: A coherent analysis (2006)
Douspis, Marian, Aghanim, Nabila, Langer, Mathieu
We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially...
Small scale contributions to CMB: A coherent analysis (2006)
Douspis, Marian, Aghanim, Nabila, Langer, Mathieu
We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially...
Small scale contributions to CMB: A coherent analysis (2006)
Douspis, Marian, Aghanim, Nabila, Langer, Mathieu
We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially...
Small scale contributions to CMB: A coherent analysis (2006)
Douspis, Marian, Aghanim, Nabila, Langer, Mathieu
We reanalyse Cosmic Microwave Background data from experiments probing both large and small scales. We assume that measured anisotropies are due not only to primary fluctuations but also, especially...
Trouble for cluster parameter estimation from blind SZ surveys? (2005)
Aghanim, Nabila, Hansen, Steen H., Lagache, Guilaine
(Abriged version) The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is a tool to measure three quantities: Compton parameter, electron temperature, and cluster peculiar velocity. However, a...
Extraction of cluster parameters with future Sunyaev-Zel\'dovich observations (2005)
Aghanim, Nabila, Hansen, Steen H., Pastor, Sergio, Semikoz, Dmitry V.
The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider...
A Mosaic of the Coma Cluster of Galaxies with XMM-Newton (2005)
Briel, Ulrich G., Henry, J. Patrick, Lumb, David H., Arnaud, Monique, Neumann, Doris, Aghanim, Nabila, ...
The Coma cluster of galaxies was observed with XMM-Newton in 12 partially overlapping pointings. We present here the resulting X-ray map in different energy bands and discuss the large scale...
Magnetic fields from reionisation (2005)
Langer, Mathieu, Aghanim, Nabila, Puget, Jean-Loup
We present a complementary study to a new model for generating magnetic fields of cosmological interest. The driving mechanism is the photoionisation process by photons provided by the first luminous...
The distance duality relation from X-ray and SZ observations of clusters (2005)
Uzan, Jean-Philippe, Aghanim, Nabila, Mellier, Yannick
X-ray and Sunyaev-Zel\'dovich data of clusters of galaxies enable to construct a test of the distance duality relation between the angular and luminosity distances. We argue that such a test on large...
Primordial quadrupole-induced polarisation from filamentary structures and galaxy clusters (2005)
Liu, Guo Chin, Da Silva, Antonio, Aghanim, Nabila
We present the first computation of the Cosmic Microwave Background (CMB) polarisation power spectrum from galaxy clusters and filaments using hydrodynamical simulations of large scale structure. We...
Cosmological Magnetogenesis driven by Radiation Pressure (2005)
Langer, Mathieu, Puget, Jean-Loup, Aghanim, Nabila
The origin of large scale cosmological magnetic fields remains a mystery, despite the continuous efforts devoted to that problem. We present a new model of magnetic field generation, based on local...
Trouble for cluster parameter estimation from blind SZ surveys? (2005)
Aghanim, Nabila, Hansen, Steen H., Lagache, Guilaine
(Abriged version) The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is a tool to measure three quantities: Compton parameter, electron temperature, and cluster peculiar velocity. However, a...
Trouble for cluster parameter estimation from blind SZ surveys? (2005)
Aghanim, Nabila, Hansen, Steen H., Lagache, Guilaine
(Abriged version) The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is a tool to measure three quantities: Compton parameter, electron temperature, and cluster peculiar velocity. However, a...
Adapted Method for Separating Kinetic SZ Signal from Primary CMB Fluctuations (2005)
In this first attempt to extract a map of the kinetic Sunyaev-Zel'dovich (KSZ) temperature fluctuations from the cosmic microwave background (CMB) anisotropies, we use a method which is based on...
Adapted Method for Separating Kinetic SZ Signal from Primary CMB Fluctuations (2005)
In this first attempt to extract a map of the kinetic Sunyaev-Zel'dovich (KSZ) temperature fluctuations from the cosmic microwave background (CMB) anisotropies, we use a method which is based on...
CMB Quadrupole induced polarisation from clusters and filaments (2004)
Liu, Guo-Chin, Da Silva, Antonio, Aghanim, Nabila
We present the estimates of the Cosmic Microwave Background (CMB) polarisation power spectrum from galaxy clusters and filaments using hydrodynamical simulations of large scale structure formation....
Primordial quadrupole-induced polarisation from filamentary structures and galaxy clusters (2004)
Liu, Guo Chin, Da Silva, Antonio, Aghanim, Nabila
We present the first computation of the Cosmic Microwave Background (CMB) polarisation power spectrum from galaxy clusters and filaments using hydrodynamical simulations of large scale structure. We...
The distance duality relation from X-ray and SZ observations of clusters (2004)
Uzan, Jean-Philippe, Aghanim, Nabila, Mellier, Yannick
X-ray and Sunyaev-Zel'dovich data of clusters of galaxies enable to construct a test of the distance duality relation between the angular and luminosity distances. We argue that such a test on large...
Trouble for cluster parameter estimation from blind SZ surveys? (2004)
Aghanim, Nabila, Hansen, Steen H., Lagache, Guilaine
(Abriged version) The Sunyaev-Zel'dovich (SZ) effect of galaxy clusters is a tool to measure three quantities: Compton parameter, electron temperature, and cluster peculiar velocity. However, a major...
The distance duality relation from X-ray and SZ observations of clusters (2004)
Uzan, Jean-Philippe, Aghanim, Nabila, Mellier, Yannick
X-ray and Sunyaev-Zel\'dovich data of clusters of galaxies enable to construct a test of the distance duality relation between the angular and luminosity distances. We argue that such a test on large...
Primordial quadrupole-induced polarisation from filamentary structures and galaxy clusters (2004)
Liu, Guo Chin, Da Silva, Antonio, Aghanim, Nabila
We present the first computation of the Cosmic Microwave Background (CMB) polarisation power spectrum from galaxy clusters and filaments using hydrodynamical simulations of large scale structure. We...
The distance duality relation from X-ray and SZ observations of clusters (2004)
Uzan, Jean-Philippe, Aghanim, Nabila, Mellier, Yannick
X-ray and Sunyaev-Zel\'dovich data of clusters of galaxies enable to construct a test of the distance duality relation between the angular and luminosity distances. We argue that such a test on large...
Primordial quadrupole-induced polarisation from filamentary structures and galaxy clusters (2004)
Liu, Guo Chin, Da Silva, Antonio, Aghanim, Nabila
We present the first computation of the Cosmic Microwave Background (CMB) polarisation power spectrum from galaxy clusters and filaments using hydrodynamical simulations of large scale structure. We...
Extraction of cluster parameters with future Sunyaev-Zel\'dovich observations (2003)
Aghanim, Nabila, Hansen, Steen H., Pastor, Sergio, Semikoz, Dmitry V.
The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider...
Extraction of cluster parameters with future Sunyaev-Zel'dovich observations (2003)
Aghanim,Nabila, Hansen,Steen H., Pastor,Sergio, Semikoz,Dmitry V.
The Sunyaev-Zel'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider the...
Extraction of cluster parameters with future Sunyaev-Zel\'dovich observations (2003)
Aghanim, Nabila, Hansen, Steen H., Pastor, Sergio, Semikoz, Dmitry V.
The Sunyaev-Zel\'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider...
Extraction of cluster parameters with future Sunyaev-Zel'dovich observations (2003)
Aghanim, Nabila, Hansen, Steen H., Pastor, Sergio, Semikoz, Dmitry V.
The Sunyaev-Zel'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider the...
Extraction of cluster parameters with future Sunyaev-Zel'dovich observations (2002)
Aghanim, Nabila, Hansen, Steen H., Pastor, Sergio, Semikoz, Dmitry V.
The Sunyaev-Zel'dovich (SZ) effect of galaxy clusters is characterized by three parameters: Compton parameter, electron temperature and cluster peculiar velocity. In the present study we consider the...
Cosmological Magnetogenesis driven by Radiation Pressure (2002)
Langer, Mathieu, Puget, Jean-Loup, Aghanim, Nabila
The origin of large scale cosmological magnetic fields remains a mystery, despite the continuous efforts devoted to that problem. We present a new model of magnetic field generation, based on local...
Cosmological Magnetogenesis driven by Radiation Pressure (2002)
Langer, Mathieu, Puget, Jean-Loup, Aghanim, Nabila
The origin of large scale cosmological magnetic fields remains a mystery, despite the continuous efforts devoted to that problem. We present a new model of magnetic field generation, based on local...
Cosmological Magnetogenesis driven by Radiation Pressure (2002)
Langer, Mathieu, Puget, Jean-Loup, Aghanim, Nabila
The origin of large scale cosmological magnetic fields remains a mystery, despite the continuous efforts devoted to that problem. We present a new model of magnetic field generation, based on local...
A Mosaic of the Coma Cluster of Galaxies with XMM-Newton (2000)
Briel, Ulrich G., Henry, J. Patrick, Lumb, David H., Arnaud, Monique, Neumann, Doris, Aghanim, Nabila, ...
The Coma cluster of galaxies was observed with XMM-Newton in 12 partially overlapping pointings. We present here the resulting X-ray map in different energy bands and discuss the large scale...
A Mosaic of the Coma Cluster of Galaxies with XMM-Newton (2000)
Briel, Ulrich G., Henry, J. Patrick, Lumb, David H., Arnaud, Monique, Neumann, Doris, Aghanim, Nabila, ...
The Coma cluster of galaxies was observed with XMM-Newton in 12 partially overlapping pointings. We present here the resulting X-ray map in different energy bands and discuss the large scale...
A Mosaic of the Coma Cluster of Galaxies with XMM-Newton (2000)
Briel, Ulrich G., Henry, J. Patrick, Lumb, David H., Arnaud, Monique, Neumann, Doris, Aghanim, Nabila, ...
The Coma cluster of galaxies was observed with XMM-Newton in 12 partially overlapping pointings. We present here the resulting X-ray map in different energy bands and discuss the large scale...