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First scattered-light images of the gas-rich debris disk around 49 Ceti
É. Choquet, J. Milli, Z. Wahhaj +31
We present the first scattered-light images of the debris disk around 49 ceti, a ~40 Myr A1 main sequence star at 59 pc, famous for hosting two massive dust belts as well as large…
Discovery of a low-mass companion inside the debris ring surrounding the F5V star HD206893
Julien Milli, Pascale Hibon, Valentin Christiaens +30
Uncovering the ingredients and the architecture of planetary systems is a very active field of research that has fuelled many new theories on giant planet formation, migration, com…
The SHARDDS survey: first resolved image of the HD114082 debris disk in Lower Centaurus Crux with SPHERE
Zahed Wahhaj, Julien Milli, Grant Kennedy +17
We present the first resolved image of the debris disk around the 16+/-8 Myr old star, HD 114082. The observation was made in the H-band using the SPHERE instrument. The star is at…
ALMA Observations of the Debris Disk of Solar Analogue Tau Ceti
Meredith A. MacGregor, Samantha M. Lawler, David J. Wilner +4
We present 1.3 mm observations of the Sun-like star Ceti with the Atacama Large Millimeter/submillimeter Array (ALMA) that probe angular scales of '' (4 AU). This first…
Deep LMT/AzTEC millimeter observations of Epsilon Eridani and its surroundings
M. Chavez-Dagostino, E. Bertone, F. Cruz-Saenz de Miera +21
Epsilon Eridani is a nearby, young Sun-like star that hosts a ring of cool debris analogous to the solar system's Edgeworth-Kuiper belt. Early observations at (sub-)mm wavelengths…
Effects of disc asymmetries on astrometric measurements - Can they mimic planets?
Quentin Kral, Jean Schneider, Grant Kennedy +1
Astrometry covers a parameter space that cannot be reached by RV or transit methods to detect terrestrial planets on wide orbits. In addition, high accuracy astrometric measurement…
Polarization measurements of hot dust stars and the local interstellar medium
J. P. Marshall, D. V. Cotton, K. Bott +7
Debris discs are typically revealed through excess emission at infrared wavelengths. Most discs exhibit excess at mid- and far-infrared wavelengths, analogous to the solar system's…
Nulling Data Reduction and On-Sky Performance of the Large Binocular Telescope Interferometer
D. Defrère, P. M. Hinz, B. Mennesson +36
The Large Binocular Telescope Interferometer (LBTI) is a versatile instrument designed for high-angular resolution and high-contrast infrared imaging (1.5-13 microns). In this pape…