Overview of the LAMOST survey in the first decade

H Yan, H Li, S Wang, W Zong, H Yuan, M **ang… - The Innovation, 2022 - cell.com
The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST), also known as
the Guoshou**g Telescope, is a major national scientific facility for astronomical research …

Exoplanet statistics and theoretical implications

W Zhu, S Dong - Annual Review of Astronomy and Astrophysics, 2021 - annualreviews.org
In the past few years, significant advances have been made in understanding the
distributions of exoplanet populations and the architecture of planetary systems. We review …

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 …

The Gaia–Kepler Stellar Properties Catalog. II. Planet radius demographics as a function of stellar mass and age

TA Berger, D Huber, E Gaidos… - The Astronomical …, 2020 - iopscience.iop.org
Studies of exoplanet demographics require large samples and precise constraints on
exoplanet host stars. Using the homogeneous Kepler stellar properties derived using the …

A resonant sextuplet of sub-Neptunes transiting the bright star HD 110067

R Luque, HP Osborn, A Leleu, E Pallé, A Bonfanti… - Nature, 2023 - nature.com
Planets with radii between that of the Earth and Neptune (hereafter referred to as 'sub-
Neptunes') are found in close-in orbits around more than half of all Sun-like stars,. However …

The exoplanet radius valley from gas-driven planet migration and breaking of resonant chains

A Izidoro, HE Schlichting, A Isella… - The Astrophysical …, 2022 - iopscience.iop.org
The size frequency distribution of exoplanet radii between 1 and 4R⊕ is bimodal with peaks
at∼ 1.4 R⊕ and∼ 2.4 R⊕, and a valley at∼ 1.8 R⊕. This radius valley separates two …

Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley

V Van Eylen, N Astudillo-Defru, X Bonfils… - Monthly Notices of …, 2021 - academic.oup.com
We report on precise Doppler measurements of L231-32 (TOI-270), a nearby M dwarf (d= 22
pc, M⋆= 0.39 M⊙, R⋆= 0.38 R⊙), which hosts three transiting planets that were recently …

A deep radius valley revealed by Kepler short cadence observations

CSK Ho, V Van Eylen - Monthly Notices of the Royal …, 2023 - academic.oup.com
The characteristics of the radius valley, ie an observed lack of planets between 1.5 and 2
Earth radii at periods shorter than about 100 d, provide insights into the formation and …

Cold Jupiters and improved masses in 38 Kepler and K2 small planet systems from 3661 HARPS-N radial velocities-No excess of cold Jupiters in small planet …

AS Bonomo, X Dumusque, A Massa, A Mortier… - Astronomy & …, 2023 - aanda.org
The exoplanet population characterized by relatively short orbital periods (P< 100 d) around
solar-type stars is dominated by super-Earths and sub-Neptunes. However, these planets …

Population-level eccentricity distributions of imaged exoplanets and brown dwarf companions: dynamical evidence for distinct formation channels

BP Bowler, SC Blunt, EL Nielsen - The Astronomical Journal, 2020 - iopscience.iop.org
The orbital eccentricities of directly imaged exoplanets and brown dwarf companions
provide clues about their formation and dynamical histories. We combine new high-contrast …