Adaptive optics for astronomy

R Davies, M Kasper - Annual Review of Astronomy and …, 2012 - annualreviews.org
Adaptive optics is a prime example of how progress in observational astronomy can be
driven by technological developments. At many observatories it is now considered to be part …

SPHERE: the exoplanet imager for the Very Large Telescope

JL Beuzit, A Vigan, D Mouillet, K Dohlen… - Astronomy & …, 2019 - aanda.org
Observations of circumstellar environments that look for the direct signal of exoplanets and
the scattered light from disks have significant instrumental implications. In the past 15 years …

Planets around low-mass stars (PALMS). IV. The outer architecture of M dwarf planetary systems

BP Bowler, MC Liu, EL Shkolnik… - The Astrophysical …, 2014 - iopscience.iop.org
We present results from a high-contrast adaptive optics imaging search for giant planets and
brown dwarfs (≳ 1 M Jup) around 122 newly identified nearby (≲ 40 pc) young M dwarfs …

Medium-resolution spectrum of the exoplanet HIP 65426 b

S Petrus, M Bonnefoy, G Chauvin, B Charnay… - Astronomy & …, 2021 - aanda.org
Medium-resolution integral-field spectrographs (IFS) coupled with adaptive-optics such as
Keck/OSIRIS, VLT/MUSE, or SINFONI are appearing as a new avenue for enhancing the …

Astrometric and photometric accuracies in high contrast imaging: The SPHERE speckle calibration tool (SpeCal)

R Galicher, A Boccaletti, D Mesa, P Delorme… - Astronomy & …, 2018 - aanda.org
Context. The consortium of the Spectro-Polarimetric High-contrast Exoplanet REsearch
installed at the Very Large Telescope (SPHERE/VLT) has been operating its guaranteed …

Performance of the VLT Planet Finder SPHERE-II. Data analysis and results for IFS in laboratory

D Mesa, R Gratton, A Zurlo, A Vigan, RU Claudi… - Astronomy & …, 2015 - aanda.org
Aims. We present the performance of the Integral Field Spectrograph (IFS) of SPHERE, the
high-contrast imager for the ESO VLT telescope designed to perform imaging and …

Review of small-angle coronagraphic techniques in the wake of ground-based second-generation adaptive optics systems

D Mawet, L Pueyo, P Lawson… - Space Telescopes …, 2012 - spiedigitallibrary.org
Small-angle coronagraphy is technically and scientifically appealing because it enables the
use of smaller telescopes, allows covering wider wavelength ranges, and potentially …

A new high contrast imaging program at Palomar observatory

S Hinkley, BR Oppenheimer… - Publications of the …, 2011 - iopscience.iop.org
We describe a new instrument that forms the core of a long-term high contrast imaging
program at the 200 inch (5 m) Hale Telescope at Palomar Observatory. The primary …

Near-infrared Spectroscopy of the Extrasolar Planet HR 8799 b

BP Bowler, MC Liu, TJ Dupuy… - The Astrophysical …, 2010 - iopscience.iop.org
ABSTRACT We present 2.12–2.23 μm high contrast integral field spectroscopy of the
extrasolar planet HR 8799 b. Our observations were obtained with OSIRIS on the Keck II …

A library of near-infrared integral field spectra of young M–L dwarfs

M Bonnefoy, G Chauvin, AM Lagrange, P Rojo… - Astronomy & …, 2014 - aanda.org
Context. At young ages, low surface gravity affects the atmospheric properties of ultracool
dwarfs. The impact on medium-resolution near-infrared (NIR) spectra has only been slightly …