Water in the terrestrial planet-forming zone of the PDS 70 disk

G Perotti, V Christiaens, T Henning, B Tabone… - Nature, 2023 - nature.com
Terrestrial and sub-Neptune planets are expected to form in the inner (less than 10 au)
regions of protoplanetary disks. Water plays a key role in their formation,–, although it is yet …

Confirmation and Keplerian motion of the gap-carving protoplanet HD 169142 b

I Hammond, V Christiaens, DJ Price… - Monthly Notices of …, 2023 - academic.oup.com
We present the re-detection of a compact source in the face-on protoplanetary disc
surrounding HD 169142, using VLT/SPHERE data in YJH bands. The source is found at a …

Wind-driven halo in high-contrast images-I. Analysis of the focal-plane images of SPHERE

F Cantalloube, OJD Farley, J Milli, N Bharmal… - Astronomy & …, 2020 - aanda.org
Context. The wind-driven halo is a feature that is observed in images that were delivered by
the latest generation of ground-based instruments that are equipped with an extreme …

High Contrast Imaging for Python (HCIPy): an open-source adaptive optics and coronagraph simulator

EH Por, SY Haffert, VM Radhakrishnan… - … Optics Systems VI, 2018 - spiedigitallibrary.org
HCIPy is a package written in Python for simulating the interplay between wavefront control
and coronagraphic systems. By defining an element which merges values/coefficients with …

Astrometric accelerations as dynamical beacons: a giant planet imaged inside the debris disk of the young star AF Lep

K Franson, BP Bowler, Y Zhou, TD Pearce… - The Astrophysical …, 2023 - iopscience.iop.org
We present the direct-imaging discovery of a giant planet orbiting the young star AF Lep, a
1.2 M⊙ member of the 24±3 Myr β Pic moving group. AF Lep was observed as part of our …

Astrometric accelerations as dynamical beacons: discovery and characterization of HIP 21152 B, the first T-dwarf companion in the Hyades

K Franson, BP Bowler, M Bonavita… - The Astronomical …, 2023 - iopscience.iop.org
Benchmark brown dwarf companions with well-determined ages and model-independent
masses are powerful tools to test substellar evolutionary models and probe the formation of …

Non-negative matrix factorization: robust extraction of extended structures

B Ren, L Pueyo, GB Zhu, J Debes… - The Astrophysical …, 2018 - iopscience.iop.org
We apply the vectorized non-negative matrix factorization (NMF) method to the post-
processing of the direct imaging data of exoplanetary systems such as circumstellar disks …

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 …

The chemical inventory of the inner regions of planet-forming disks–the JWST/MINDS program

I Kamp, T Henning, AM Arabhavi, G Bettoni… - Faraday …, 2023 - pubs.rsc.org
The understanding of planet formation has changed recently, embracing the new idea of
pebble accretion. This means that the influx of pebbles from the outer regions of planet …

The MIRI Exoplanets Orbiting White dwarfs (MEOW) Survey: Mid-infrared Excess Reveals a Giant Planet Candidate around a Nearby White Dwarf

MA Limbach, A Vanderburg, A Venner… - The Astrophysical …, 2024 - iopscience.iop.org
Abstract The MIRI Exoplanets Orbiting White dwarfs survey is a cycle 2 JWST program to
search for exoplanets around dozens of nearby white dwarfs via infrared excess and direct …