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Constraints on the circumstellar dust around KIC 8462852
M. A. Thompson, P. Scicluna, F. Kemper +9
We present millimetre (SMA) and sub-millimetre (SCUBA-2) continuum observations of the peculiar star KIC 8462852 which displayed several deep and aperiodic dips in brightness durin…
Collisional modelling of the AU Microscopii debris disc
Ch. Schüppler, T. Löhne, A. V. Krivov +6
The spatially resolved AU Mic debris disc is among the most famous and best-studied debris discs. We aim at a comprehensive understanding of the dust production and the dynamics of…
An Extreme-AO Search for Giant Planets around a White Dwarf --VLT/SPHERE performance on a faint target GD 50
S. Xu, S. Ertel, Z. Wahhaj +3
CONTEXT. Little is known about the planetary systems around single white dwarfs although there is strong evidence that they do exist. AIMS. We performed a pilot study with the extr…
An Unbiased Near-infrared Interferometric Survey for Hot Exozodiacal Dust
Steve Ertel, Jean-Charles Augereau, Olivier Absil +5
Exozodiacal dust is warm or hot dust found in the inner regions of planetary systems orbiting main sequence stars, in or around their habitable zones. The dust can be the most lumi…