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Simulations of the cosmic infrared and submillimeter background for future large surveys: I. Presentation and first application to Herschel/SPIRE and Planck/HFI
N. Fernandez-Conde, G. Lagache, J. -L. Puget +1
The coming Planck and Herschel missions will survey the sky at unprecedented angular scales and sensitivities. Simulations are needed for better interpretating the results of the s…
Correlated Anisotropies in the Cosmic Far-Infrared Background Detected by MIPS/Spitzer: Constraint on the Bias
G. Lagache, N. Bavouzet, N. Fernandez-Conde +5
We report the detection of correlated anisotropies in the Cosmic Far-Infrared Background at 160 microns. We measure the power spectrum in the Spitzer/SWIRE Lockman Hole field. It r…
Statistical properties of dust far-infrared emission
M. -A. Miville-Deschenes, G. Lagache, F. Boulanger +1
The description of the statistical properties of dust emission gives important constraints on the physics of the interstellar medium but it is also a useful way to estimate the con…
The evolution of clusters in the CLEF cosmological simulation: X-ray structural and scaling properties
Scott T. Kay, Antonio C. da Silva, Nabila Aghanim +5
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 co…
Spitzer/MIPS 24 micron galaxies: the link to near-IR galaxies and the cosmic IR background
K. I. Caputi, H. Dole, G. Lagache +1
We present the results of our most recent works on Spitzer/MIPS 24 micron galaxies. Through a multiwavelength analysis, we study different properties (redshifts, luminosities, stel…
The role of the LIRG and ULIRG phases in the evolution of Ks-selected galaxies
K. I. Caputi, H. Dole, G. Lagache +5
We investigate the role of the luminous infrared galaxy (LIRG) and ultra-luminous infrared galaxy (ULIRG) phases in the evolution of Ks-selected galaxies and, in particular, Extrem…
Archeops In-flight Performance, Data Processing and Map Making
J. F. Macias-Perez, G. Lagache, B. Maffei +69
Archeops is a balloon--borne experiment widely inspired by the Planck satellite and by its High Frequency Instrument (HFI). It is mainly dedicated to measure the Cosmic Microwave B…
The Cosmic Infrared Background Resolved by Spitzer. Contributions of Mid-Infrared Galaxies to the Far-Infrared Background
Herve Dole, Guilaine Lagache, Jean-Loup Puget +7
Aims. We quantify the contributions of 24um galaxies to the Far-Infrared (FIR) Background at 70 and 160um. We provide new estimates of the Cosmic Infrared Background (CIB), and com…
Linking stellar mass and star formation in Spitzer/MIPS 24 micron galaxies
K. I. Caputi, H. Dole, G. Lagache +7
We present deep Ks<21.5 (Vega) identifications, redshifts and stellar masses for most of the sources composing the bulk of the 24 micron background in the GOODS/CDFS. Our identifie…
Dusty Infrared Galaxies: Sources of the Cosmic Infrared Background
Guilaine Lagache, Jean-Loup Puget, Herve Dole
The discovery of the Cosmic Infrared Background (CIB) in 1996, together with recent cosmological surveys from the mid-infrared to the millimeter have revolutionized our view of sta…
Cosmic Infrared Background: Resolved, Unresolved and Spitzer Contributions
Herve Dole, Guilaine Lagache, Jean-Loup Puget
The Cosmic Infrared Background (CIB) peaks in the Far-Infrared (FIR), and its Spectral Energy Distribution (SED) is now well constrained. Thanks to recent facilities and Spitzer, t…
Temperature and polarization angular power spectra of Galactic dust radiation at 353 GHz as measured by Archeops
N. Ponthieu, J. F. Macías-Pérez, M. Tristram +47
We present the first measurement of temperature and polarization angular power spectra of the diffuse emission of Galactic dust at 353 GHz as seen by Archeops on 20% of the sky. Th…
Clusters of Galaxies: New Results from the CLEF Hydrodynamics Simulation
S. T. Kay, A. C. da Silva, N. Aghanim +5
Preliminary results are presented from the CLEF hydrodynamics simulation, a large (N=2(428)^3 particles within a 200 Mpc/h comoving box) simulation of the LCDM cosmology that inclu…
The CLEF-SSH simulation project
A. C. da Silva, S. T. Kay, N. Aghanim +5
The CLEF-SSH simulation project is an international collaboration, involving the IAS, LATT and the University of Sussex, to produce large hydrodynamic simulations of large-scale st…
The European Large Area ISO Survey VIII: 90-micron final analysis and source counts
Ph. Heraudeau, S. Oliver, C. del Burgo +17
We present a re--analysis of the European Large Area ISO Survey (ELAIS) 90mum observations carried out with ISOPHOT, an instrument on board the ESA's Infrared Space Observatory (IS…
The cosmic background: evolution of infrared galaxies and dust properties. A lecture dedicated to the memory of Mayo Greenberg
Jean-Loup Puget, Guilaine Lagache, Herve Dole
In recent years it became clear that a population of galaxies radiating most of their power in the far-infrared contribute an important part of the whole star formation activity in…
Confusion in the infrared: Spitzer and beyond
H. Dole, G. H. Rieke, G. Lagache +23
We use the source counts measured with the Multiband Imaging Photometer for Spitzer (MIPS) at 24, 70, and 160 microns to determine the 5-sigma confusion limits due to extragalactic…
The young stellar population in the Serpens Cloud Core: An ISOCAM survey
A. A. Kaas, G. Olofsson, S. Bontemps +18
We present results from an ISOCAM survey in the two broad band filters LW2 (5-8.5 mu) and LW3 (12-18 mu) of a 0.13 square degree coverage of the Serpens Main Cloud Core. A total of…
First Detection of Polarization of the Submillimetre Diffuse Galactic Dust Emission by Archeops
A. Benoit, P. Ade, A. Amblard +65
We present the first determination of the Galactic polarized emission at 353 GHz by Archeops. The data were taken during the Arctic night of February 7, 2002 after the balloon--bor…
Sub-mm and near-IR observations of galaxies selected at 170 microns
A. Sajina, C. Borys, S. Chapman +5
We present results from JCMT sub-mm observations of sources selected from the {\sl ISO} FIRBACK (Far-IR BACKground) survey, along with UKIRT near-IR imaging of a sub-sample. This g…
Cosmological Magnetogenesis driven by Radiation Pressure
Mathieu Langer, Jean-Loup Puget, Nabila Aghanim
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 generatio…
Cosmological constraints from Archeops
A. Benoit, P. Ade, A. Amblard +65
We analyze the cosmological constraints that Archeops places on adiabatic cold dark matter models with passive power-law initial fluctuations. Because its angular power spectrum ha…
The Cosmic Microwave Background Anisotropy Power Spectrum measured by Archeops
A. Benoit, P. Ade, A. Amblard +65
We present a determination by the Archeops experiment of the angular power spectrum of the cosmic microwave background anisotropy in 16 bins over the multipole range l=15-350. Arch…
Archeops: A High Resolution, Large Sky Coverage Balloon Experiment for Mapping CMB Anisotropies
A. Benoit, P. Ade, A. Amblard +3
Archeops is a balloon-borne instrument dedicated to measuring cosmic microwave background (CMB) temperature anisotropies at high angular resolution (8 arcminutes) over a large frac…