Search Results - "Bienaymé, Olivier"
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Staying away from the bar: the local dynamical signature of slow and fast bars in the Milky Way
Published in Monthly notices of the Royal Astronomical Society (01-02-2017)“…Both the three-dimensional density of red clump giants and the gas kinematics in the inner Galaxy indicate that the pattern speed of the Galactic bar could be…”
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The RAVE-on Catalog of Stellar Atmospheric Parameters and Chemical Abundances for Chemo-dynamic Studies in the Gaia Era
Published in The Astrophysical journal (01-05-2017)“…The orbits, atmospheric parameters, chemical abundances, and ages of individual stars in the Milky Way provide the most comprehensive illustration of galaxy…”
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The remnants of galaxy formation from a panoramic survey of the region around M31
Published in Nature (London) (03-09-2009)“…In hierarchical cosmological models, galaxies grow in mass through the continual accretion of smaller ones. The tidal disruption of these systems is expected…”
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The selection function of the RAVE survey
Published in Monthly notices of the Royal Astronomical Society (01-07-2017)“…Abstract We characterize the selection function of RAdial Velocity Experiment (RAVE) using 2 Micron All Sky Survey (2MASS) as our underlying population, which…”
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Chemical separation of disc components using RAVE
Published in Monthly notices of the Royal Astronomical Society (01-10-2016)“…We present evidence from the RAdial Velocity Experiment (RAVE) survey of chemically separated, kinematically distinct disc components in the solar…”
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Metal-poor Lithium-rich Giants in the Radial Velocity Experiment Survey
Published in The Astrophysical journal (20-12-2011)“…We report the discovery of eight lithium-rich field giants found in a high-resolution spectroscopic sample of over 700 metal-poor stars ([Fe/H] < -0.5)…”
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Correlations between age, kinematics, and chemistry as seen by the RAVE survey
Published in Monthly notices of the Royal Astronomical Society (11-07-2018)“…Abstract We explore the connections between stellar age, chemistry, and kinematics across a Galactocentric distance of 7.5 < R(kpc) < 9.0, using a sample of…”
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Pseudo–three-dimensional maps of the diffuse interstellar band at 862 nm
Published in Science (American Association for the Advancement of Science) (15-08-2014)“…The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the…”
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OBSERVATIONAL PROPERTIES OF THE METAL-POOR THICK DISK OF THE MILKY WAY AND INSIGHTS INTO ITS ORIGINS
Published in The Astrophysical journal (10-08-2011)“…We have undertaken the study of the elemental abundances and kinematic properties of a metal-poor sample of candidate thick-disk stars selected from the Radial…”
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Collisionless Boltzmann equation approach for the study of stellar discs within barred galaxies
Published 14-12-2017“…We study the kinematics of stellar disc populations within the solar neighbourhood in order to find the imprints of the Galactic bar. We carry out the analysis…”
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Discovery of High Proper-Motion Ancient White Dwarfs: Nearby Massive Compact Halo Objects?
Published in The Astrophysical journal (20-03-2000)“…We present the discovery and spectroscopic identification of two very high proper-motion ancient white dwarf stars, found in a systematic proper-motion survey…”
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The wobbly Galaxy: kinematics north and south with RAVE red-clump giants
Published in Monthly notices of the Royal Astronomical Society (21-11-2013)“…The RAdial Velocity Experiment survey, combined with proper motions and distance estimates, can be used to study in detail stellar kinematics in the extended…”
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A new dynamically self-consistent version of the Besan\c{c}on Galaxy Model
Published 17-09-2018“…Context. Dynamically self-consistent galactic models are necessary for analysing and interpreting star counts, stellar density distributions, and stellar…”
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Galactic kinematics and dynamics from Radial Velocity Experiment stars
Published in Monthly notices of the Royal Astronomical Society (01-04-2014)“…We analyse the kinematics of ∼400 000 stars that lie within ∼2 kpc of the Sun and have spectra measured in the Radial Velocity Experiment. We decompose the…”
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Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm
Published in Science (American Association for the Advancement of Science) (15-08-2014)“…The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the…”
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The properties of the local spiral arms from RAVE data: two-dimensional density wave approach
Published in Monthly notices of the Royal Astronomical Society (21-09-2012)“…Abstract Using the Radial Velocity Experiment (RAVE) survey, we recently brought to light a gradient in the mean galactocentric radial velocity of stars in the…”
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Kinematics and dynamics of Gaia red clump stars
Published 16-09-2020“…A&A 643, A75 (2020) We analyse the kinematics and dynamics of a homogeneous sample of red clump stars selected from the second Gaia data release catalogue in…”
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Kinematic groups beyond the solar neighbourhood with RAVE
Published in Monthly notices of the Royal Astronomical Society. Letters (01-10-2012)“…ABSTRACT We analyse the kinematics of disc stars observed by the RAdial Velocity Experiment (RAVE) survey in and beyond the solar neighbourhood. We detect…”
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Detection of a radial velocity gradient in the extended local disc with RAVE
Published in Monthly notices of the Royal Astronomical Society (01-04-2011)“…Using a sample of 213 713 stars from the Radial Velocity Experiment (RAVE) survey, limited to a distance of 2 kpc from the Sun and to |z| < 1 kpc, we report…”
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