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- Centre National de la Recherche ScientifiqueFR955 papers
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33 papers · 2 filters
The analysis of realistic Stellar Gaia mock catalogues. I. Red Clump Stars as tracers of the central bar
Merce Romero-Gomez, Francesca Figueras, Teresa Antoja +2
In this first paper we simulate the population of disc Red Clump stars to be observed by Gaia. We generate a set of test particles and we evolve it in a 3D barred Milky Way like ga…
The Mass Profile and Shape of Bars in the Spitzer Survey of Stellar Structure in Galaxies (S4G): Search for an Age Indicator for Bars
Taehyun Kim, Kartik Sheth, Dimitri A. Gadotti +24
We have measured the radial light profiles and global shapes of bars using two-dimensional 3.6 image decompositions for 144 face-on barred galaxies from the Spitzer Survey of…
Planck intermediate results. XXXIII. Signature of the magnetic field geometry of interstellar filaments in dust polarization maps
Planck Collaboration, P. A. R. Ade, N. Aghanim +187
Planck observations at 353GHz provide the first fully-sampled maps of the polarized dust emission towards interstellar filaments and their backgrounds. The polarization data provid…
Evidence for the concurrent growth of thick discs and central mass concentrations from SG imaging
Sébastien Comerón, Bruce G. Elmegreen, Heikki Salo +3
We have produced vertically integrated radial luminosity profiles of 69 edge-on galaxies from the Spitzer Survey of Stellar Structure in Galaxies (SG)…
Near-infrared spectroscopy of candidate red supergiant stars in clusters
Maria Messineo, Zhu Qingfeng, Valentin D. Ivanov +5
Clear identifications of Galactic young stellar clusters farther than a few kpc from the Sun are rare, despite the large number of candidate clusters. We aim to improve the selecti…
Planck intermediate results. XXIX. All-sky dust modelling with Planck, IRAS, and WISE observations
Plank Collaboration, P. A. R. Ade, N. Aghanim +195
We present all-sky modelling of the high resolution Planck, IRAS, and WISE infrared (IR) observations using the physical dust model presented by Draine and Li in 2007 (DL). We stud…