Advances in optical/infrared interferometry
F Eisenhauer, JD Monnier… - Annual Review of …, 2023 - annualreviews.org
After decades of fast-paced technical advances, optical/infrared (O/IR) interferometry has
seen a revolution in recent years:▪ The GRAVITY instrument at the Very Large Telescope …
seen a revolution in recent years:▪ The GRAVITY instrument at the Very Large Telescope …
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm
Abstract We present JWST Early Release Science coronagraphic observations of the super-
Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam) from 2 to 5 μm …
Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam) from 2 to 5 μm …
AF Lep b: The lowest-mass planet detected by coupling astrometric and direct imaging data
Aims. Using the direct-imaging technique, we searched for low-mass companions around
the star AF Lep, which presents a significant proper-motion anomaly (PMa) signal obtained …
the star AF Lep, which presents a significant proper-motion anomaly (PMa) signal obtained …
Astrometric accelerations as dynamical beacons: a giant planet imaged inside the debris disk of the young star AF Lep
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 …
1.2 M⊙ member of the 24±3 Myr β Pic moving group. AF Lep was observed as part of our …
Jupiter-like planets might be common in a low-density environment
Radial velocity surveys suggest that the Solar System may be unusual and that Jupiter-like
planets have a frequency< 20% around solar-type stars. However, they may be much more …
planets have a frequency< 20% around solar-type stars. However, they may be much more …
High contrast at short separation with VLTI/GRAVITY: Bringing Gaia companions to light
N Pourré, TO Winterhalder, JB Le Bouquin… - Astronomy & …, 2024 - aanda.org
Context. Since 2019, GRAVITY has provided direct observations of giant planets and brown
dwarfs at separations of down to 95 mas from the host star. Some of these observations …
dwarfs at separations of down to 95 mas from the host star. Some of these observations …
ALMA high-resolution observations unveil planet formation shaping molecular emission in the PDS 70 disk
L Rampinelli, S Facchini, M Leemker, J Bae… - Astronomy & …, 2024 - aanda.org
With two directly detected protoplanets, the PDS 70 system is a unique source in which to
study the complex interplay between forming planets and their natal environment. The large …
study the complex interplay between forming planets and their natal environment. The large …
First VLTI/GRAVITY Observations of HIP 65426 b: Evidence for a Low or Moderate Orbital Eccentricity
Giant exoplanets have been directly imaged over orders of magnitude of orbital separations,
prompting theoretical and observational investigations of their formation pathways. In this …
prompting theoretical and observational investigations of their formation pathways. In this …
Hunting for exoplanets via magnetic star–planet interactions: geometrical considerations for radio emission
RD Kavanagh, HK Vedantham - Monthly Notices of the Royal …, 2023 - academic.oup.com
Recent low-frequency radio observations suggest that some nearby M dwarfs could be
interacting magnetically with undetected close-in planets, powering the emission via the …
interacting magnetically with undetected close-in planets, powering the emission via the …
Combining Gaia and GRAVITY: Characterising five new directly detected substellar companions
TO Winterhalder, S Lacour, A Mérand… - Astronomy & …, 2024 - aanda.org
Precise mass constraints are vital for the characterisation of brown dwarfs and exoplanets.
Here we present how the combination of data obtained by Gaia and GRAVITY can help …
Here we present how the combination of data obtained by Gaia and GRAVITY can help …