Adaptive optics for high-resolution imaging

KM Hampson, R Turcotte, DT Miller… - Nature Reviews …, 2021 - nature.com
Adaptive optics (AO) is a technique that corrects for optical aberrations. It was originally
proposed to correct for the blurring effect of atmospheric turbulence on images in ground …

The occurrence and architecture of exoplanetary systems

JN Winn, DC Fabrycky - Annual Review of Astronomy and …, 2015 - annualreviews.org
The basic geometry of the Solar System—the shapes, spacings, and orientations of the
planetary orbits—has long been a subject of fascination as well as inspiration for planet …

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; …

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 …

Rapid growth of gas-giant cores by pebble accretion

M Lambrechts, A Johansen - Astronomy & Astrophysics, 2012 - aanda.org
The observed lifetimes of gaseous protoplanetary discs place strong constraints on gas and
ice giant formation in the core accretion scenario. The approximately 10-Earth-mass solid …

Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager

B Macintosh, JR Graham, T Barman, RJ De Rosa… - Science, 2015 - science.org
Directly detecting thermal emission from young extrasolar planets allows measurement of
their atmospheric compositions and luminosities, which are influenced by their formation …

First light of the gemini planet imager

B Macintosh, JR Graham, P Ingraham… - proceedings of the …, 2014 - National Acad Sciences
The Gemini Planet Imager is a dedicated facility for directly imaging and spectroscopically
characterizing extrasolar planets. It combines a very high-order adaptive optics system, a …

Detection and characterization of exoplanets and disks using projections on Karhunen–Loève eigenimages

R Soummer, L Pueyo, J Larkin - The Astrophysical Journal …, 2012 - iopscience.iop.org
We describe a new method to achieve point-spread function (PSF) subtractions for high-
contrast imaging using principal component analysis that is applicable to both point sources …

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 …