Debris disks: structure, composition, and variability

AM Hughes, G Duchêne… - Annual Review of …, 2018 - annualreviews.org
Debris disks are tenuous, dust-dominated disks commonly observed around stars over a
wide range of ages. Those around main sequence stars are analogous to the Solar System's …

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70

M Keppler, M Benisty, A Müller, T Henning… - Astronomy & …, 2018 - aanda.org
Context. Young circumstellar disks are the birthplaces of planets. Their study is of prime
interest to understand the physical and chemical conditions under which planet formation …

The Gemini Planet Imager Exoplanet Survey: giant planet and brown dwarf demographics from 10 to 100 au

EL Nielsen, RJ De Rosa, B Macintosh… - The Astronomical …, 2019 - iopscience.iop.org
We present a statistical analysis of the first 300 stars observed by the Gemini Planet Imager
Exoplanet Survey. This subsample includes six detected planets and three brown dwarfs; …

The SPHERE infrared survey for exoplanets (SHINE)-III. The demographics of young giant exoplanets below 300 au with SPHERE

A Vigan, C Fontanive, M Meyer, B Biller… - Astronomy & …, 2021 - aanda.org
The SpHere INfrared Exoplanet (SHINE) project is a 500-star survey performed with
SPHERE on the Very Large Telescope for the purpose of directly detecting new substellar …

Population-level eccentricity distributions of imaged exoplanets and brown dwarf companions: dynamical evidence for distinct formation channels

BP Bowler, SC Blunt, EL Nielsen - The Astronomical Journal, 2020 - iopscience.iop.org
The orbital eccentricities of directly imaged exoplanets and brown dwarf companions
provide clues about their formation and dynamical histories. We combine new high-contrast …

Debris disk results from the Gemini Planet Imager Exoplanet Survey's polarimetric imaging campaign

TM Esposito, P Kalas, MP Fitzgerald… - The Astronomical …, 2020 - iopscience.iop.org
We report the results of a∼ 4 yr direct imaging survey of 104 stars to resolve and
characterize circumstellar debris disks in scattered light as part of the Gemini Planet Imager …

Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

T Currie, GM Brandt, TD Brandt, B Lacy, A Burrows… - Science, 2023 - science.org
Direct imaging of gas giant exoplanets provides information on their atmospheres and the
architectures of planetary systems. However, few planets have been detected in blind …

The SPHERE infrared survey for exoplanets (SHINE)-II. Observations, data reduction and analysis, detection performances, and initial results

M Langlois, R Gratton, AM Lagrange… - Astronomy & …, 2021 - aanda.org
Context. In recent decades, direct imaging has confirmed the existence of substellar
companions (exoplanets or brown dwarfs) on wide orbits (> 10 au) around their host stars. In …

Reference-star differential imaging on SPHERE/IRDIS

C **e, E Choquet, A Vigan, F Cantalloube… - Astronomy & …, 2022 - aanda.org
Context. Reference-star differential imaging (RDI) is a promising technique in high-contrast
imaging that is thought to be more sensitive to exoplanets and disks than angular differential …

Direct discovery of the inner exoplanet in the HD 206893 system-Evidence for deuterium burning in a planetary-mass companion

S Hinkley, S Lacour, GD Marleau, AM Lagrange… - Astronomy & …, 2023 - aanda.org
Aims. HD 206893 is a nearby debris disk star that hosts a previously identified brown dwarf
companion with an orbital separation of∼ 10 au. Long-term precise radial velocity (RV) …