3.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR1.1k papers
- Observatoire de la Côte d’AzurFR595 papers
- Lagrange LaboratoryFR303 papers
- Laboratoire Jean-Alexandre DieudonnéFR217 papers
- Observatoire de ParisFR183 papers
- Université Paris DiderotFR149 papers
- National Institute for AstrophysicsIT147 papers
- Institut de Physique de NiceFR131 papers
- Sapienza University of RomeIT119 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR118 papers
- Université Pierre-et-Marie-CurieFR118 papers
- European Southern ObservatoryCL108 papers
154 papers · 1 filter
Atmospheric fluctuations below 0.1 Hz during drift-scan solar diameter measurements
Costantino Sigismondi, Andrea Raponi, Giulia De Rosi +6
Measurements of the power spectrum of the seeing in the range 0.001-1 Hz have been performed in order to understand the criticity of the transits' method for solar diameter monitor…
Oscillation mode linewidths of main-sequence and subgiant stars observed by Kepler
T. Appourchaux, O. Benomar, M. Gruberbauer +20
Solar-like oscillations have been observed by {\it Kepler} and CoRoT in several solar-type stars. We study the variations of stellar p-mode linewidth as a function of effective tem…
Sunlight refraction in the mesosphere of Venus during the transit on June 8th, 2004
P. Tanga, Th. Widemann, B. Sicardy +6
Many observers in the past gave detailed descriptions of the telescopic aspect of Venus during its extremely rare transits across the Solar disk. In particular, at the ingress and…
Dirichlet/Neumann problems and Hardy classes for the planar conductivity equation
Laurent Baratchart, Yannick Fischer, Juliette Leblond
We study Hardy spaces of the conjugate Beltrami equation over Dini-smooth finitely connected domains, for real contractive $ν\in W^{1,r…
An analytical solution of Shallow Water system coupled to Exner equation
Christophe Berthon, Stéphane Cordier, Minh H. Le +1
In this paper, an exact smooth solution for the equations modeling the bedload transport of sediment in Shallow Water is presented. This solution is valid for a large family of sed…
Quantum Fluctuation Relations for the Lindblad Master Equation
Raphael Chetrite, Kirone Mallick
An open quantum system interacting with its environment can be modeled under suitable assumptions as a Markov process, described by a Lindblad master equation. In this work, we der…
Transmission spectrum of Venus as a transiting exoplanet
David Ehrenreich, Alfred Vidal-Madjar, Thomas Widemann +6
On 5-6 June 2012, Venus will be transiting the Sun for the last time before 2117. This event is an unique opportunity to assess the feasibility of the atmospheric characterisation…
VLT/FLAMES spectroscopy of Red Giant Branch stars in the Carina dwarf spheroidal galaxy
B. Lemasle, V. Hill, E. Tolstoy +6
The ages of individual Red Giant Branch stars (RGB) can range from 1 Gyr old to the age of the Universe, and it is believed that the abundances of most chemical elements in their p…
Upper limits on a stochastic gravitational-wave background using LIGO and Virgo interferometers at 600-1000 Hz
J. Abadie, B. P. Abbott, R. Abbott +782
A stochastic background of gravitational waves is expected to arise from a superposition of many incoherent sources of gravitational waves, of either cosmological or astrophysical…
Givental group action on Topological Field Theories and homotopy Batalin--Vilkovisky algebras
Vladimir Dotsenko, Sergey Shadrin, Bruno Vallette
In this paper, we initiate the study of the Givental group action on Cohomological Field Theories in terms of homotopical algebra. More precisely, we show that the stabilisers of T…
Evidence of thermal effects in high power Er3+-Yb3+ fiber laser
Guillaume Canat, J. -C. Mollier, Yves Jaouen +1
We analyse the influence of heat generation by non radiative transitions in high power 1.55m double cladding Erbium-Ytterbium fiber laser. At strong pumping rates, 1m lasing…
Investigation of the photosensitivity, temperature sustainability and fluorescence characteristics of several Er-doped photosensitive fibers
Y. H. Shen, S. Pal, J. Mandal +7
Three different types of Er doped photosensitive fibers, germanium/erbium (Ge/Er) fiber, tin/germanium/erbium fiber (Sn/Er) and antimony/germanium/erbium fiber (Sb/Er) have been ma…
Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process
Anirban Dhar, Ivan Kasik, Ondrej Podrazky +2
The fabrication of Er-doped ZrO2-based nanocrystalline phase-separated silica optical preforms by the MCVD and solution doping techniques is presented. Fabricated preform cores are…
An Oort cloud origin for the high-inclination, high-perihelion Centaurs
R. Brasser, M. E. Schwamb, P. S. Lykawka +1
We analyse the origin of three Centaurs with perihelia in the range 15 AU to 30 AU, inclinations above 70 deg and semi-major axes shorter than 100 AU. Based on long-term numerical…
3D hydrodynamical model atmospheres: a tool to correct radial velocities and parallaxes for Gaia
A. Chiavassa, L. Bigot, F. Thevenin +4
Convection plays an essential role in the emerging intensity for many stars that will be observed by Gaia. Convective-related surface structures affect the shape, shift, and asymme…
The Cratering History of Asteroid (21) Lutetia
S. Marchi, M. Massironi, J. -B. Vincent +9
The European Space Agency's Rosetta spacecraft passed by the main belt asteroid (21) Lutetia the 10th July 2010. With its ~100km size, Lutetia is one of the largest asteroids ever…
The Evolution of the Baryon Distribution in the Universe from Cosmological Simulations
Fabrice Durier, Jose Antonio de Freitas Pacheco
The evolution of the baryon distribution in different phases, derived from cosmological simulations, are here reported. These computations indicate that presently most of baryons a…
Search for Gravitational Waves from Low Mass Compact Binary Coalescence in LIGO's Sixth Science Run and Virgo's Science Runs 2 and 3
the LIGO Scientific Collaboration, the Virgo Collaboration, J. Abadie +796
We report on a search for gravitational waves from coalescing compact binaries using LIGO and Virgo observations between July 7, 2009 and October 20, 2010. We searched for signals…
The stochastic background from cosmic (super)strings: popcorn and (Gaussian) continuous regimes
Tania Regimbau, Stefanos Giampanis, Xavier Siemens +1
In the era of the next generation of gravitational wave experiments a stochastic background from cusps of cosmic (super)strings is expected to be probed and, if not detected, to be…
Automatic Relevance Determination in Nonnegative Matrix Factorization with the β-Divergence
Vincent Y. F. Tan, Cédric Févotte
This paper addresses the estimation of the latent dimensionality in nonnegative matrix factorization (NMF) with the β-divergence. The β-divergence is a family of cost functions tha…
Laue lenses for hard X-/soft Gamma-rays: new prototype results
E. Virgilli, F. Frontera, V. Valsan +4
We present the results obtained with the new Laue lens prototype built in the LARIX facility in the Physics Department of University of Ferrara. Following the results of the first…
The LAUE project for broadband gamma-ray focusing lenses
E. Virgilli, F. Frontera, V. Valsan +9
We present the LAUE project devoted to develop an advanced technology for building a high focal length Laue lens for soft gamma--ray astronomy (80-600 keV). The final goal is to de…
A spectroscopic survey of thick disc stars outside the solar neighbourhood
G. Kordopatis, A. Recio-Blanco, P. de Laverny +7
We performed a spectroscopic survey of nearly 700 stars probing the galactic thick disc far from the solar neighbourhood towards the galactic coordinates (l~277, b~47). The derived…
Reassessing the formation of the inner Oort cloud in an embedded star cluster
R. Brasser, M. J. Duncan, H. F. Levison +2
We re-examine the formation of the inner Oort comet cloud while the Sun was in its birth cluster with the aid of numerical simulations. This work is a continuation of an earlier st…