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- Centre National de la Recherche ScientifiqueFR225 papers
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18 papers · 2 filters
Potential multi-component structure of the debris disk around HIP 17439 revealed by Herschel/DUNES
S. Ertel, J. P. Marshall, J. -C. Augereau +16
[abridged] Aims. Our Herschel Open Time Key Programme DUNES aims at detecting and characterizing debris disks around nearby, sun-like stars. In addition to the statistical analysis…
KIC11911480: the second ZZ Ceti in the field
S. Greiss, B. T. Gaensicke, J. J. Hermes +5
We report the discovery of the second pulsating hydrogen-rich (DA) white dwarf in the field, KIC11911480. It was selected from the -INT Survey (KIS) on the basis o…
Structures in the protoplanetary disk of HD142527 seen in polarized scattered light
Henning Avenhaus, Sascha P. Quanz, Hans Martin Schmid +4
We present H- and Ks-band polarized differential images (PDI) of the Herbig Ae/Be star HD142527, revealing its optically thick outer disk and the nearly empty gap. The very small i…
Evidence of a discontinuous disk structure around the Herbig Ae star HD 139 614
Alexis Matter, Lucas Labadie, Alexander Kreplin +6
A new class of pre-main sequence objects has been recently identified as pre-transitional disks. They present near-infrared excess coupled to a flux deficit at about 10 microns and…
Alignment in star-debris disc systems seen by Herschel
J. S. Greaves, G. M. Kennedy, N. Thureau +28
Many nearby main-sequence stars have been searched for debris using the far-infrared Herschel satellite, within the DEBRIS, DUNES and Guaranteed-Time Key Projects. We discuss here…
OTS44: Disk and accretion at the planetary border
V. Joergens, M. Bonnefoy, Y. Liu +4
We discover that the very low-mass brown dwarf OTS44 (M9.5, ~12 M_Jup) has significant accretion and a substantial disk, which demonstrates that the processes that accompany canoni…