The California Legacy Survey. I. A catalog of 178 planets from precision radial velocity monitoring of 719 nearby stars over three decades

LJ Rosenthal, BJ Fulton, LA Hirsch… - The Astrophysical …, 2021 - iopscience.iop.org
We present a high-precision radial velocity (RV) survey of 719 FGKM stars, which host 164
known exoplanets and 14 newly discovered or revised exoplanets and substellar …

California legacy survey. II. Occurrence of giant planets beyond the ice line

BJ Fulton, LJ Rosenthal, LA Hirsch… - The Astrophysical …, 2021 - iopscience.iop.org
We used high-precision radial velocity measurements of FGKM stars to determine the
occurrence of giant planets as a function of orbital separation spanning 0.03–30 au. Giant …

Evidence for the volatile-rich composition of a 1.5-Earth-radius planet

C Piaulet, B Benneke, JM Almenara, D Dragomir… - Nature …, 2023 - nature.com
The population of planets smaller than approximately 1.7 Earth radii (R⊕) is widely
interpreted as consisting of rocky worlds, generally referred to as super-Earths. This picture …

A noninteracting low-mass black hole–giant star binary system

TA Thompson, CS Kochanek, KZ Stanek, C Badenes… - Science, 2019 - science.org
Black hole binary systems with companion stars are typically found via their x-ray emission,
generated by interaction and accretion. Noninteracting binaries are expected to be plentiful …

A planet within the debris disk around the pre-main-sequence star AU Microscopii

P Plavchan, T Barclay, J Gagné, P Gao, B Cale… - Nature, 2020 - nature.com
Abstract AU Microscopii (AU Mic) is the second closest pre-main-sequence star, at a
distance of 9.79 parsecs and with an age of 22 million years. AU Mic possesses a relatively …

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 …

exoplanet: Gradient-based probabilistic inference for exoplanet data & other astronomical time series

D Foreman-Mackey, R Luger, E Agol, T Barclay… - arXiv preprint arXiv …, 2021 - arxiv.org
" exoplanet" is a toolkit for probabilistic modeling of astronomical time series data, with a
focus on observations of exoplanets, using PyMC3 (Salvatier et al., 2016). PyMC3 is a …

pyaneti – II. A multidimensional Gaussian process approach to analysing spectroscopic time-series

O Barragán, S Aigrain, VM Rajpaul… - Monthly Notices of the …, 2022 - academic.oup.com
The two most successful methods for exoplanet detection rely on the detection of planetary
signals in photometric and radial velocity time-series. This depends on numerical …

Transit detection of the long-period volatile-rich super-Earth ν2 Lupi d with CHEOPS

L Delrez, D Ehrenreich, Y Alibert, A Bonfanti… - Nature …, 2021 - nature.com
Exoplanets transiting bright nearby stars are key objects for advancing our knowledge of
planetary formation and evolution. The wealth of photons from the host star gives detailed …

orvara: An Efficient Code to Fit Orbits Using Radial Velocity, Absolute, and/or Relative Astrometry

TD Brandt, TJ Dupuy, Y Li, GM Brandt… - The Astronomical …, 2021 - iopscience.iop.org
We present an open-source Python package, Orbits from Radial Velocity, Absolute, and/or
Relative Astrometry (orvara), to fit Keplerian orbits to any combination of radial velocity …