Stellar obliquities in exoplanetary systems

SH Albrecht, RI Dawson, JN Winn - Publications of the …, 2022 - iopscience.iop.org
The rotation of a star and the revolutions of its planets are not necessarily aligned. This
article reviews the measurement techniques, key findings, and theoretical interpretations …

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 …

Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b

L Nortmann, E Pallé, M Salz, J Sanz-Forcada, E Nagel… - Science, 2018 - science.org
Hot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation,
and these losses can affect their physical and chemical evolution. Studies of atmospheric …

A population study of gaseous exoplanets

A Tsiaras, IP Waldmann, T Zingales… - The Astronomical …, 2018 - iopscience.iop.org
We present here the analysis of 30 gaseous extrasolar planets, with temperatures between
600 and 2400 K and radii between 0.35 and 1.9 R Jup. The quality of the HST/WFC3 …

The mass–metallicity relation for giant planets

DP Thorngren, JJ Fortney… - The Astrophysical …, 2016 - iopscience.iop.org
Exoplanet discoveries of recent years have provided a great deal of new data for studying
the bulk compositions of giant planets. Here we identify 47 transiting giant planets (20 M⊕< …

Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet

R Allart, V Bourrier, C Lovis, D Ehrenreich, JJ Spake… - Science, 2018 - science.org
Stellar heating causes atmospheres of close-in exoplanets to expand and escape. These
extended atmospheres are difficult to observe because their main spectral signature …

Doppler spectroscopy as a path to the detection of Earth-like planets

M Mayor, C Lovis, NC Santos - Nature, 2014 - nature.com
Doppler spectroscopy was the first technique used to reveal the existence of extrasolar
planetary systems hosted by solar-type stars. Radial-velocity surveys led to the detection of …

The orbital eccentricity of small planet systems

V Van Eylen, S Albrecht, X Huang… - The Astronomical …, 2019 - iopscience.iop.org
We determine the orbital eccentricities of individual small Kepler planets, through a
combination of asteroseismology and transit light-curve analysis. We are able to constrain …

TESS transit timing of hundreds of hot Jupiters

ES Ivshina, JN Winn - The Astrophysical Journal Supplement …, 2022 - iopscience.iop.org
We provide a database of transit times and updated ephemerides for 382 planets based on
data from the NASA Transiting Exoplanet Survey Satellite (TESS) and previously reported …

Revised stellar properties of Kepler targets for the Q1-17 (DR25) transit detection run

S Mathur, D Huber, NM Batalha… - The Astrophysical …, 2017 - iopscience.iop.org
The determination of exoplanet properties and occurrence rates using Kepler data critically
depends on our knowledge of the fundamental properties (such as temperature, radius, and …