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11 papers · 1 filter
Response to noise of a spin transfer vortex based nano-oscillator
Eva Grimaldi, Antoine Dussaux, Paolo Bortolotti +7
We investigate experimentally and analytically the impact of thermal noise on the sustained gyrotropic mode of vortex magnetization in spin transfer nano-oscillators and its conseq…
First experimental results of very high accuracy centroiding measurements for the neat astrometric mission
A. Crouzier, F. Malbet, O. Preis +19
NEAT is an astrometric mission proposed to ESA with the objectives of detecting Earth-like exoplanets in the habitable zone of nearby solar-type stars. NEAT requires the capability…
The Gaia astrophysical parameters inference system (Apsis). Pre-launch description
C. A. L. Bailer-Jones, R. Andrae, B. Arcay +46
The Gaia satellite will survey the entire celestial sphere down to 20th magnitude, obtaining astrometry, photometry, and low resolution spectrophotometry on one billion astronomica…
A laser setup for rubidium cooling dedicated to space applications
Thomas Lévèque, Laura Antoni-Micollier, Benoit Faure +1
We present the complete characterization of a laser setup for rubidium cooling dedicated to space applications. The experimental setup is realized with commercial off-the-shelf fib…
Could Jean-Dominique Cassini see the famous division in Saturn's rings?
Julien Lozi, Jean-Michel Reess, Alain Semery +8
Nowadays, astronomers want to observe gaps in exozodiacal disks to confirm the presence of exoplanets, or even make actual images of these companions. Four hundred and fifty years…
Flight demonstration of formation flying capabilities for future missions (NEAT Pathfinder)
M. Delpech, F. Malbet, T. Karlsson +3
PRISMA is a demonstration mission for formation-flying and on-orbit-servicing critical technologies that involves two spacecraft launched in low Earth orbit in June 2010 and still…