Stellar and substellar companions from Gaia EDR3-Proper-motion anomaly and resolved common proper-motion pairs

P Kervella, F Arenou, F Thévenin - Astronomy & Astrophysics, 2022 - aanda.org
Context. The multiplicity fraction of stars, down to the substellar regime, is a parameter of
fundamental importance for stellar formation, evolution, and planetology. The census of …

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 …

The 10 parsec sample in the Gaia era

C Reylé, K Jardine, P Fouqué, JA Caballero… - Astronomy & …, 2021 - aanda.org
Context. The nearest stars provide a fundamental constraint for our understanding of stellar
physics and the Galaxy. The nearby sample serves as an anchor where all objects can be …

Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging …

K Laliotis, JA Burt, EE Mamajek, Z Li… - The Astronomical …, 2023 - iopscience.iop.org
Directly imaging temperate rocky planets orbiting nearby, Sun-like stars with a 6 m class
IR/O/UV space telescope, recently dubbed the Habitable Worlds Observatory, is a high …

Understanding the impacts of stellar companions on planet formation and evolution: a survey of stellar and planetary companions within 25 pc

LA Hirsch, L Rosenthal, BJ Fulton… - The Astronomical …, 2021 - iopscience.iop.org
We explore the impact of outer stellar companions on the occurrence rate of giant planets
detected with radial velocities. We searched for stellar and planetary companions to a …

Direct imaging of sub-Jupiter mass exoplanets with James Webb Space Telescope coronagraphy

AL Carter, S Hinkley, M Bonavita… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT The James Webb Space Telescope (JWST), currently scheduled to launch in
2021, will dramatically advance our understanding of exoplanetary systems with its ability to …

Constraining the Orbit and Mass of epsilon Eridani b with Radial Velocities, Hipparcos IAD-Gaia DR2 Astrometry, and Multiepoch Vortex Coronagraphy Upper Limits

J Llop-Sayson, JJ Wang, JB Ruffio… - The Astronomical …, 2021 - iopscience.iop.org
Abstract epsilon Eridani is a young planetary system hosting a complex multibelt debris disk
and a confirmed Jupiter-like planet orbiting at 3.48 au from its host star. Its age and …

Exoplanets with ELT-METIS-I. Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs

R Bowens, MR Meyer, C Delacroix, O Absil… - Astronomy & …, 2021 - aanda.org
Direct imaging is a powerful exoplanet discovery technique that is complementary to other
techniques and offers great promise in the era of 30 m class telescopes. Space-based transit …

Constraining the physical properties of stellar coronal mass ejections with coronal dimming: application to far-ultraviolet data of ϵ Eridani

ROP Loyd, JP Mason, M **, EL Shkolnik… - The Astrophysical …, 2022 - iopscience.iop.org
Coronal mass ejections (CMEs) are a prominent contributor to solar system space weather
and might have impacted the Sun's early angular momentum evolution. A signal diagnostic …

Tidally heated exomoons around ϵ Eridani b: Observability and prospects for characterization

E Kleisioti, D Dirkx, M Rovira-Navarro… - Astronomy & …, 2023 - aanda.org
Context. Exomoons are expected to orbit gas giant exoplanets just as moons orbit Solar
System planets. Tidal heating is present in Solar System satellites, and it can heat up their …