Gaia Data Release 3-Stellar multiplicity, a teaser for the hidden treasure

F Arenou, C Babusiaux, MA Barstow, S Faigler… - Astronomy & …, 2023 - aanda.org
Context. The Gaia DR3 catalogue contains, for the first time, about 800 000 solutions with
either orbital elements or trend parameters for astrometric, spectroscopic, and eclipsing …

Gaia Data Release 3-Astrometric orbit determination with Markov chain Monte Carlo and genetic algorithms: Systems with stellar, sub-stellar, and planetary mass …

B Holl, A Sozzetti, J Sahlmann, P Giacobbe… - Astronomy & …, 2023 - aanda.org
Context. The astrometric discovery of sub-stellar mass companions orbiting stars is
exceedingly hard due to the required sub-milliarcsecond precision, limiting the application of …

juliet: a versatile modelling tool for transiting and non-transiting exoplanetary systems

N Espinoza, D Kossakowski… - Monthly Notices of the …, 2019 - academic.oup.com
Here we present juliet, a versatile tool for the analysis of transits, radial velocities, or both.
juliet is built over many available tools for the modelling of transits, radial velocities, and …

The GAPS programme with HARPS-N at TNG-XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting …

AS Bonomo, S Desidera, S Benatti, F Borsa… - Astronomy & …, 2017 - aanda.org
We carried out a Bayesian homogeneous determination of the orbital parameters of 231
transiting giant planets (TGPs) that are alone or have distant companions; we employed …

Masses, radii, and orbits of small Kepler planets: the transition from gaseous to rocky planets

GW Marcy, H Isaacson, AW Howard… - The Astrophysical …, 2014 - iopscience.iop.org
We report on the masses, sizes, and orbits of the planets orbiting 22 Kepler stars. There are
49 planet candidates around these stars, including 42 detected through transits and 7 …

APERO: A PipelinE to Reduce Observations—Demonstration with SPIRou

NJ Cook, É Artigau, R Doyon, M Hobson… - Publications of the …, 2022 - iopscience.iop.org
With the maturation of near-infrared high-resolution spectroscopy, especially when used for
precision radial velocity, data reduction has faced unprecedented challenges in terms of …

Two warm Neptunes transiting HIP 9618 revealed by TESS and Cheops

HP Osborn, G Nowak, G Hébrard… - Monthly Notices of …, 2023 - academic.oup.com
ABSTRACT HIP 9618 (HD 12572, TOI-1471, TIC 306263608) is a bright (G= 9.0 mag) solar
analogue. TESS photometry revealed the star to have two candidate planets with radii of …

Disentangling between stellar activity and planetary signals

I Boisse, F Bouchy, G Hébrard, X Bonfils… - Astronomy & …, 2011 - aanda.org
Photospheric stellar activity (ie dark spots or bright plages) might be an important source of
noise and confusion in stellar radial-velocity (RV) measurements. Radial-velocimetry planet …

DREAM-I. Orbital architecture orrery

V Bourrier, O Attia, M Mallonn, A Marret… - Astronomy & …, 2023 - aanda.org
The distribution of close-in exoplanets is shaped by a complex interplay between
atmospheric and dynamical processes. The Desert-Rim Exoplanets Atmosphere and …

SOPHIE velocimetry of Kepler transit candidates-XVII. The physical properties of giant exoplanets within 400 days of period

A Santerne, C Moutou, M Tsantaki, F Bouchy… - Astronomy & …, 2016 - aanda.org
While giant extrasolar planets have been studied for more than two decades now, there are
still some open questions as to their dominant formation and migration processes, as well as …