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; …

Stellar and substellar companions of nearby stars from gaia dr2-binarity from proper motion anomaly

P Kervella, F Arenou, F Mignard, F Thévenin - Astronomy & Astrophysics, 2019‏ - aanda.org
Context. The census of stellar and substellar companions of nearby stars is largely
incomplete, in particular toward the low-mass brown dwarf and long-period exoplanets. It is …

Imaging extrasolar giant planets

BP Bowler - Publications of the Astronomical Society of the …, 2016‏ - iopscience.iop.org
High-contrast adaptive optics (AO) imaging is a powerful technique to probe the
architectures of planetary systems from the outside-in and survey the atmospheres of self …

Peering into the formation history of β Pictoris b with VLTI/GRAVITY long-baseline interferometry

M Nowak, S Lacour, P Mollière, J Wang… - Astronomy & …, 2020‏ - aanda.org
Context. β Pictoris is arguably one of the most studied stellar systems outside of our own.
Some 30 yr of observations have revealed a highly-structured circumstellar disk, with rings …

Polarimetric imaging mode of vlt/sphere/irdis-ii. characterization and correction of instrumental polarization effects

RG van Holstein, JH Girard, J De Boer, F Snik… - Astronomy & …, 2020‏ - aanda.org
Context. Circumstellar disks and self-luminous giant exoplanets or companion brown dwarfs
can be characterized through direct-imaging polarimetry at near-infrared wavelengths …

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 …

Dynamical constraints on the HR 8799 planets with GPI

JJ Wang, JR Graham, R Dawson… - The Astronomical …, 2018‏ - iopscience.iop.org
The HR 8799 system uniquely harbors four young super-Jupiters whose orbits can provide
insights into the system's dynamical history and constrain the masses of the planets …

Polarimetric imaging mode of vlt/sphere/irdis-i. description, data reduction, and observing strategy

J de Boer, M Langlois, RG van Holstein… - Astronomy & …, 2020‏ - aanda.org
Context. Polarimetric imaging is one of the most effective techniques for high-contrast
imaging and for the characterization of protoplanetary disks, and it has the potential of …

The JWST early release science program for the direct imaging and spectroscopy of exoplanetary systems

S Hinkley, AL Carter, S Ray, A Skemer… - Publications of the …, 2022‏ - iopscience.iop.org
The direct characterization of exoplanetary systems with high-contrast imaging is among the
highest priorities for the broader exoplanet community. As large space missions will be …

JWST-TST High Contrast: Asymmetries, Dust Populations, and Hints of a Collision in the β Pictoris Disk with NIRCam and MIRI

I Rebollido, CC Stark, J Kammerer… - The Astronomical …, 2024‏ - iopscience.iop.org
We present the first JWST Mid-Infrared Instrument (MIRI) and Near Infrared Camera
(NIRCam) observations of the prominent debris disk around β Pictoris. Coronagraphic …