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- Centre National de la Recherche ScientifiqueFR125 papers
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16 papers · 2 filters
Quiescent and active phases in Be stars: A WISE snapshot of young galactic open clusters
A. Granada, C. E. Jones, T. A. A. Sigut +4
Through the modelling of near-infrared photometry of star plus disk systems with the codes BEDISK/BERAY, we successfully describe the WISE photometric characteristics of Be stars i…
The Prototypical Young L/T-Transition Dwarf HD 203030B Likely Has Planetary Mass
Paulo A. Miles-Páez, Stanimir A. Metchev, Kevin L. Luhman +2
Upon its discovery in 2006, the young L7.5 companion to the solar analog HD 203030 was found to be unusual in being 200 K cooler than older late-L dwarfs. HD 203030B offer…
Seeds Of Life In Space (SOLIS): The organic composition diversity at 300--1000 au scale in Solar-type star forming regions
C. Ceccarelli, P. Caselli, F. Fontani +43
Complex organic molecules have been observed for decades in the interstellar medium. Some of them might be considered as small bricks of the macromolecules at the base of terrestri…
Cloud Atlas: Discovery of Rotational Spectral Modulations in a Low-mass, L-type Brown Dwarf Companion to a Star
Elena Manjavacas, Daniel Apai, Yifan Zhou +11
Observations of rotational modulations of brown dwarfs and giant exoplanets allow the characterization of condensate cloud properties. As of now rotational spectral modulations hav…
Large Interstellar Polarisation Survey. LIPS I: FORS2 spectropolarimetry in the Southern Hemisphere
S. Bagnulo, N. J. L. Cox, A. Cikota +9
Polarimetric studies of light transmitted through interstellar clouds may give constraints on the properties of the interstellar dust grains. Traditionally, broadband linear polari…
Characterizing The Cloud Decks of Luhman 16AB with Medium-Resolution Spectroscopic Monitoring
Kendra Kellogg, Stanimir Metchev, Aren Heinze +2
We present results from a two-night R~4000 0.9-2.5 micron spectroscopic monitoring campaign of Luhman 16AB (L7.5 + T0.5). We assess the variability amplitude as a function of press…