Shrinking binary and planetary orbits by Kozai cycles with tidal friction

Abstract

At least two arguments suggest that the orbits of a large fraction of binary stars and extrasolar planets shrank by 1-2 orders of magnitude after formation: (i) the physical radius of a star shrinks by a large factor from birth to the main sequence, yet many main-sequence stars have companions orbiting only a few stellar radii away, and (ii) in current theories of planet formation, the region within ~0.1 AU of a protostar is too hot and rarefied for a Jupiter-mass planet to form, yet many "hot Jupiters" are observed at such distances. We investigate orbital shrinkage by the combined effects of secular perturbations from a distant companion star (Kozai oscillations) and tidal friction. We integrate the relevant equations of motion to predict the distribution of orbital elements produced by this process. Binary stars with orbital periods of 0.1 to 10 days, with a median of ~2 d, are produced from binaries with much longer periods (10 d to 10^5 d), consistent with observations indicating that most or all short-period binaries have distant companions (tertiaries). We also make two new testable predictions: (1) For periods between 3 and 10 d, the distribution of the mutual inclination between the inner binary and the tertiary orbit should peak strongly near 40 deg and 140 deg. (2) Extrasolar planets whose host stars have a distant binary companion may also undergo this process, in which case the orbit of the resulting hot Jupiter will typically be misaligned with the equator of its host star.

Submitted to ApJ; 18 pages, 10 figures

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• Secular dynamics of multiplanet systems: implications for the formation of hot and warm Jupiters via high-eccentricity migration
• Rotation Period Evolution in Low-Mass Binary Stars: The Impact of Tidal Torques and Magnetic Braking
• The Kozai-Lidov Mechanism in Hydrodynamical Disks. II. Effects of binary and disk parameters
• The GAPS Programme with HARPS-N@TNG V. A comprehensive analysis of the XO-2 stellar and planetary systems
• In-Situ Scattering of Warm Jupiters and Implications for Dynamical Histories
• Newly-Discovered Planets Orbiting HD~5319, HD~11506, HD~75784 and HD~10442 from the N2K Consortium
• Exploring a Stream of Highly-Eccentric Binaries with Kepler
• Why do warm Neptunes present nonzero eccentricity?
• Very Wide Binary Stars as the Primary Source of Stellar Collisions in the Galaxy
• On the Tidal Dissipation of Obliquity
• Are Tidal Effects Responsible for Exoplanetary Spin-Orbit Alignment?
• Time variation of Kepler transits induced by stellar rotating spots - a way to distinguish between prograde and retrograde motion I. Theory
• A Solar-type Stellar Companion to a Deep Contact Binary in a Quadruple System
• Precise Estimates of the Physical Parameters for the Exoplanet System HD-17156 Enabled by HST FGS Transit and Asteroseismic Observations
• Masses, Luminosities, and Orbital Coplanarities of the mu Orionis Quadruple Star System from PHASES Differential Astrometry
• A High Stellar Obliquity in the WASP-7 Exoplanetary System
• Rapid Rotation in the Kepler Field: Not a Single Star Phenomenon
• The TESS-Keck Survey IV: A Retrograde, Polar Orbit for the Ultra-Low-Density, Hot Super-Neptune WASP-107b
• Nearly Polar orbit of the sub-Neptune HD3167 c: Constraints on a multi-planet system dynamical history
• Spin-Orbit angle distribution and the origin of (mis)aligned hot Jupiters
• Planet Scattering Around Binaries: Ejections, Not Collisions
• The discovery of WASP-151b, WASP-153b, WASP-156b: Insights on giant planet migration and the upper boundary of the Neptunian desert
• Dynamics of Quadruple Systems Composed of Two Binaries: Stars, White Dwarfs, and Implications for Ia Supernovae
• The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars V. A Characterization of Protostellar Multiplicity
• Adaptive Optics imaging of VHS 1256-1257: A Low Mass Companion to a Brown Dwarf Binary System
• Why do Earth satellites stay up?
• Disc fragmentation rarely forms planetary-mass objects
• Cometary impactors on the TRAPPIST-1 planets can destroy all planetary atmospheres and rebuild secondary atmospheres on planets f, g, h
• High-resolution Imaging of Transiting Extrasolar Planetary systems (HITEP). I. Lucky imaging observations of 101 systems in the southern hemisphere
• A Catalogue of Potential Post Common Envelope Binaries
• POET: A Model for (P)lanetary (O)rbital (E)volution due to (T)ides on Evolving Stars
• Stellar Spin-Orbit Alignment for Kepler-9, a Multi-transiting Planetary system with Two Outer Planets Near 2:1 Resonance
• WASP-167b/KELT-13b: Joint discovery of a hot Jupiter transiting a rapidly-rotating F1V star
• A new analysis of the WASP-3 system: no evidence for an additional companion
• WASP-23b: a transiting hot Jupiter around a K dwarf and its Rossiter-McLaughlin effect
• Photodynamical analysis of the triply eclipsing hierarchical triple system EPIC 249432662
• KELT-9 b's Asymmetric TESS Transit Caused by Rapid Stellar Rotation and Spin-Orbit Misalignment
• The Photoeccentric Effect and Proto-Hot Jupiters II. KOI-1474.01, a candidate eccentric planet perturbed by an unseen companion
• Evolution of eccentricity and orbital inclination of migrating planets in 2:1 mean motion resonance
• The Orbit and Mass of the Third Planet in the Kepler-56 System
• A Common Proper Motion Stellar Companion to HAT-P-7
• Relativistic three-body effects in hierarchical triples
• HD2685 b: A Hot-Jupiter orbiting an early F-type star detected by TESS
• A Compact Multi-Planet System With A Significantly Misaligned Ultra Short Period Planet
• Tidal Decay and Stable Roche-Lobe Overflow of Short-Period Gaseous Exoplanets
• Analysis of spin-orbit alignment in the WASP-32, WASP-38, and HAT-P-27/WASP-40 systems
• TOI-257b (HD 19916b): A Warm sub-Saturn Orbiting an Evolved F-type Star
• Evidence for Spin-orbit Alignment in the TRAPPIST-1 System
• The Role of Convection in Determining the Ejection Efficiency of Common Envelope Interactions
• Magnetic braking saturates: evidence from the orbital period distribution of low-mass detached eclipsing binaries from ZTF
• Detecting the spin-orbit misalignment of the super-Earth 55 Cnc e
• KCTF Evolution of Trans-Neptunian Binaries: Connecting Formation to Observation
• The Dynamics of the Multi-planet System Orbiting Kepler-56
• In Search of the Thermal Eccentricity Distribution
• Compact planetary systems perturbed by an inclined companion: I. Vectorial representation of the secular model
• K2-260 b: a hot Jupiter transiting an F star, and K2-261 b: a warm Saturn around a bright G star
• On using the beaming effect to measure spin-orbit alignment in stellar binaries with Sun-like components
• Secular Orbital Dynamics of Hierarchical Two Planet Systems
• The occurrence of Binary Evolution Pulsators in the classical instability strip of RR Lyrae and Cepheid variables
• A statistically significant lack of debris discs in medium separation binary systems
• A Lucky Imaging search for stellar companions to transiting planet host stars
• Chaotic dynamics of wide triples induced by galactic tides: a novel channel for producing compact binaries, mergers, and collisions
• Rossiter-McLaughlin Effect Measurements for WASP-16, WASP-25 and WASP-31
• WASP-20b and WASP-28b: a hot Saturn and a hot Jupiter in near-aligned orbits around solar-type stars
• A well aligned orbit for the 45 Myr old transiting Neptune DS Tuc Ab
• MASCARA-1 b: A hot Jupiter transiting a bright $m_V=8.3$ A-star in a misaligned orbit
• A highly inclined orbit for the 110-day period M-dwarf companion KOI-368.01
• Quiescent and active galactic nuclei as factories of merging compact objects in the era of gravitational-wave astronomy
• Orbital flips in hierarchical triple systems: relativistic effects and third-body effects to hexadecapole order
• Parameters and Predictions for the Long-Period Transiting Planet HD 17156b
• A lucky imaging multiplicity study of exoplanet host stars II
• Enhanced Lidov-Kozai migration and the formation of the transiting giant planet WD1856+534b
• The JADE code: Coupling secular exoplanetary dynamics and photo-evaporation
• Rotational Velocities of Individual Components in Very Low Mass Binaries
• 55 Cancri: A Coplanar Planetary System that is Likely Misaligned with its Star
• Planet Traps and Planetary Cores: Origins of the Planet-Metallicity Correlation
• Binarity and beyond in A stars I. Survey description and first results of VLTI/GRAVITY observations of VAST targets with high Gaia-Hipparcos accelerations
• The EBLM project III. A Saturn-size low-mass star at the hydrogen-burning limit
• Secular dynamics of hierarchical multiple systems composed of nested binaries, with an arbitrary number of bodies and arbitrary hierarchical structure. II. External perturbations: flybys and supernovae
• Dynamical Tides in Highly Eccentric Binaries: Chaos, Dissipation and Quasi-Steady State
• Robo-AO Kepler Survey IV: the effect of nearby stars on 3857 planetary candidate systems
• Theoretical Radii of Extrasolar Giant Planets: the Cases of TrES-4, XO-3b, and HAT-P-1b
• Long-lived Chaotic Orbital Evolution of Exoplanets in Mean Motion Resonances with Mutual Inclinations
• Orbital Architectures of Planet-Hosting Binaries II. Low Mutual Inclinations Between Planetary and Stellar Orbits
• TICs 167692429 and 220397947: The first compact hierarchical triple stars discovered with TESS
• Kozai Migration Naturally Explains the White Dwarf Planet WD1856b
• BANANA IV: Two aligned stellar rotation axes in the young eccentric binary system EP Crucis: primordial orientation and tidal alignment
• The Dynamical Fate of Self-Gravitating Disc Fragments After Tidal Downsizing
• The Eccentricity Distribution of Short-Period Planet Candidates Detected by Kepler in Occultation
• CO or no CO? Narrowing the CO abundance constraint and recovering the H2O detection in the atmosphere of WASP-127 b using SPIRou
• KELT-16b: A highly irradiated, ultra-short period hot Jupiter nearing tidal disruption
• A significant mutual inclination between the planets within the $\pi$ Mensae system
• Discovery of a Very Low Mass Triple with Late-M and T Dwarf Components: LP 704-48/SDSS J0006-0852AB
• Collisional Evolution of Ultra-Wide Trans-Neptunian Binaries
• Orbital Parameter Determination for Wide Stellar Binary Systems in the Age of Gaia
• On the Masses, Age, and Architecture of the VHS J1256-1257AB b System
• Triage of Astrometric Binaries - how to find triple systems and dormant black-hole secondaries in the Gaia orbits
• Doppler tomography of transiting exoplanets: A prograde, low-inclined orbit for the hot Jupiter CoRoT-11b
• Improved Measurement of the Rossiter-McLaughlin Effect in the Exoplanetary System HD 17156
• A hot Jupiter for breakfast? --- Early stellar ingestion of planets may be common
• Prediction of a red nova outburst in KIC 9832227
• Planet-disk interaction in highly inclined systems
• Spin orbit alignment for KELT-7b and HAT-P-56b via Doppler tomography with TRES
• Gravitational-Wave Signatures from Compact Object Binaries in the Galactic Center
• Hint of curvature in the orbital motion of the exoplanet 51 Eridani b using 3 years of VLT/SPHERE monitoring
• Hidden Planetary Friends: On the Stability Of 2-Planet Systems in the Presence of a Distant, Inclined Companion
• Evolution of a disc-planet system with a binary companion on an inclined orbit
• KELT-4Ab: An inflated Hot Jupiter transiting the bright (V~10) component of a hierarchical triple
• Dynamics of Planetary Systems Within Star Clusters: Aspects of the Solar System's Early Evolution
• H-alpha and Ca II Infrared Triplet Variations During a Transit of the 23 Myr Planet V1298 Tau c
• Stellar Companions to TESS Objects of Interest: A Test of Planet-Companion Alignment
• A Significant Over-Luminosity in the Transiting Brown Dwarf CWW 89Ab
• The Kozai-Lidov Mechanism in Hydrodynamical Disks. III. Effects of Disk Mass and Self-Gravity
• Planet Formation In Highly Inclined Binary Systems I. Planetesimals Jump Inwards And Pile Up
• The hot Jupiter period-mass distribution as a signature of in situ formation
• Double neutron star mergers from hierarchical triple-star systems
• DREAM II. The spin-orbit angle distribution of close-in exoplanets under the lens of tides
• A Survey for Very Short-Period Planets in the Kepler Data
• The Rossiter-McLaughlin Effect of the Transiting Exoplanet XO-4b
• Chaotic quadruple secular evolution and the production of misaligned exomoons and Warm Jupiters in stellar multiples
• TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full Frame Images
• Moderately Eccentric Warm Jupiters from Secular Interactions with Exterior Companions
• A Possible Alignment Between the Orbits of Planetary Systems and their Visual Binary Companions
• Chaotic dynamics of the planet in HD 196885 AB
• Analytic computation of the secular effects of encounters on a binary: features arising from second-order perturbation theory
• The polar orbit of the warm Neptune GJ436b seen with VLT/ESPRESSO
• Orbital misalignment of the super-Earth $\pi$ Men c with the spin of its star
• TOI-3714 b and TOI-3629 b: Two gas giants transiting M dwarfs confirmed with HPF and NEID
• 15000 Ellipsoidal Binary Candidates in TESS: Orbital Periods, Binary Fraction, and Tertiary Companions
• A multiplicity study of transiting exoplanet host stars. I. High-contrast imaging with VLT/SPHERE
• Tidally Induced Oscillations and Orbital Decay in Compact Triple-Star Systems
• Characterisation of the HD 219134 multi-planet system I. Observations of stellar magnetism, wind, and high-energy flux
• The Compact Triply Eclipsing Triple Star TIC 209409435 Discovered with TESS
• Obliquities of Exoplanet Host Stars: 19 New and Updated Measurements, and Trends in the Sample of 205 Measurements
• Ponderings on the Possible Preponderance of Perpendicular Planets
• Hot Jupiters driven by high-eccentricity migration in globular clusters
• Robo-AO Kepler Survey V: The effect of physically associated stellar companions on planetary systems
• Scaling K2. VI. Reduced Small Planet Occurrence in High Galactic Amplitude Stars
• Time variation of Kepler transits induced by stellar spots - a way to distinguish between prograde and retrograde motion. II. Application to KOIs
• KELT-21b: A Hot Jupiter Transiting the Rapidly-Rotating Metal-Poor Late-A Primary of a Likely Hierarchical Triple System
• Misaligned accretion disc formation via Kozai-Lidov oscillations
• The TESS-Keck Survey: Science Goals and Target Selection
• The TESS-Keck Survey. VIII. Confirmation of a Transiting Giant Planet on an Eccentric 261 day Orbit with the Automated Planet Finder Telescope
• Lifetime of short-period binaries measured from their Galactic kinematics
• Secular Dimming of KIC 8462852 Following its Consumption of a Planet
• The gravitational interaction between planets on inclined orbits and protoplanetary disks as the origin of primordial spin--orbit misalignments
• Formation and Early Evolution of Circumstellar Disks in Turbulent Molecular Cloud Cores
• Star-disc (mis-)alignment in Rho Oph and Upper Sco: insights from spatially resolved disc systems with K2 rotation periods
• The Aligned Orbit of the Eccentric Warm Jupiter K2-232b
• An Eclipsing Substellar Binary in a Young Triple System discovered by SPECULOOS
• The stellar obliquity, planet mass, and very low albedo of Qatar-2 from K2 Photometry
• On the rates of type Ia supernovae originating from white dwarf collisions in quadruple star systems
• An Aligned Orbit for the Young Planet V1298 Tau b
• The non-monotonic, strong metallicity dependence of the wide-binary fraction
• Planetesimal Dynamics in Inclined Binary Systems: The Role of Gas-Disk Gravity
• Secular Effects of Tidal Damping in Compact Planetary Systems
• Tidal erasure of stellar obliquities constrains the timing of hot Jupiter formation
• Populations of planets in multiple star systems
• Detailed chemical compositions of the wide binary HD 80606/80607: revised stellar properties and constraints on planet formation
• Detectability of Free Floating Planets in Open Clusters with JWST
• Further Observations of the Tilted Planet XO-3: A New Determination of Spin-Orbit Misalignment, and Limits on Differential Rotation
• Temperature and Distance Dependence of Tidal Circularization in Close Binaries: A Catalog of Eclipsing Binaries in the Southern Hemisphere Observed by the TESS Satellite
• On the stability and collisions in triple stellar systems
• Kozai-Lidov Disc Instability
• A Change in the Lightcurve of Kuiper Belt Contact Binary (139775) 2001 QG298
• A Mechanism of Exciting Planetary Inclination and Eccentricity through a Residual Gas Disk
• Detectability of Earth-like Planets in Circumstellar Habitable Zones of Binary Star Systems with Sun-like Components
• Planet Packing in Circumbinary Systems
• High-Eccentricity Migration with Disk-Induced Spin-Orbit Misalignment: a Preference for Perpendicular Hot Jupiters
• Evolution of massive stellar triples and implications for compact object binary formation
• WASP-120b, WASP-122b and WASP-123b: Three newly discovered planets from the WASP-South survey
• Flipping spins in mass transferring binaries and origin of spin-orbit misalignment in binary black holes
• The Occurrence of Additional Giant Planets Inside the Water-Ice Line in Systems with Hot Jupiters: Evidence Against High-Eccentricity Migration
• Spin-Orbit Alignment of the TrES-4 Transiting Planetary System and Possible Additional Radial Velocity Variation
• On The Lack of Circumbinary Planets Orbiting Isolated Binary Stars
• Stellar Obliquities in Long-period Exoplanet Systems (SOLES) I: The Spin-Orbit Alignment of K2-140 b
• Evidence for Two Hot Jupiter Formation Paths
• A pair of warm giant planets near the 2:1 mean motion resonance around the K-dwarf star TOI-2202
• On the Correlation between Hot Jupiters and Stellar Clustering: High-eccentricity Migration Induced by Stellar Flybys
• The transiting dust clumps in the evolved disk of the Sun-like UXor RZ Psc
• TKS III: A Stellar Obliquity Measurement of TOI-1726 c
• Evidence of a Massive Black Hole Companion in the Massive Eclipsing Binary V Puppis
• TOI-2525 b and c: A pair of massive warm giant planets with a strong transit timing variations revealed by TESS
• Lucky Imaging of transiting planet host stars with LuckyCam
• Analytical Model of Tidal Distortion and Dissipation for a Giant Planet with a Viscoelastic Core
• Can Kozai-Lidov cycles explain Kepler-78b?
• Radial Velocities of 41 Kepler Eclipsing Binaries
• HATS-25b through HATS-30b: A Half-dozen New Inflated Transiting Hot Jupiters from the HATSouth Survey
• Return of the TEDI: revisiting the Triple Evolution Dynamical Instability channel in triple stars
• Detection and Characterization of Planets in Binary and Multiple Systems
• The impact of white dwarf natal kicks and stellar flybys on the rates of Type Ia supernovae in triple-star systems
• Dynamical evolution of the Gliese 436 planetary system - Kozai migration as a potential source for Gliese 436b's eccentricity
• Establishing Alpha Oph as a Prototype Rotator: Improved Astrometric Orbit
• Magnetic Inflation and Stellar Mass I: Revised Parameters for the Component Stars of the Kepler Low-mass Eclipsing Binary T-Cyg1-12664
• Spin-Orbit Misalignments of Three Jovian Planets via Doppler Tomography
• Chemical fingerprints of hot Jupiter planet formation
• On the Dynamics and Tidal Dissipation Rate of the White Dwarf in 4U 1820-30
• Direct Measure of Radiative and Dynamical Properties of an Exoplanet Atmosphere
• Contact Binaries as Viable Distance Indicators: New, Competitive (V)JHKs Period-Luminosity Relations
• Tidal evolution of close-in giant planets : Evidence of Type II migration?
• Transit Timing Variation Analysis of OGLE-TR-132b with Seven New Transits
• Ground-based multisite observations of two transits of HD 80606b
• A statistical view on stable and unstable Roche lobe overflow of a tertiary star onto the inner binary in triple systems
• Three Short Period Jupiters from TESS
• N-body simulations of planet formation via pebble accretion II. How various giant planets form
• Eclipse timing variation analysis of OGLE-IV eclipsing binaries toward the Galactic Bulge. I. Hierarchical triple system candidates
• First and second-generation black hole and neutron star mergers in 2+2 quadruples: population statistics
• Star-disk alignment in the protoplanetary disks: SPH simulation of the collapse of turbulent molecular cloud cores
• A population of planetary systems characterized by short-period, Earth-sized planets
• Spin-orbit measurements and refined parameters for the exoplanet systems WASP-22 and WASP-26
• Systematic mischaracterization of exoplanetary system dynamical histories from a model degeneracy near mean-motion resonance
• The Effectiveness of the Kozai Mechanism in the Galactic Centre
• Detection of the lowest mass ratio contact binary in the universe: TYC 3801-1529-1
• The Stellar Obliquity and the Long-period planet in the HAT-P-17 Exoplanetary System
• Convection and Spin-Up During Common Envelope Evolution: The Formation of Short-Period Double White Dwarfs
• Spin-orbit alignment of the $\beta$ Pictoris planetary system
• A Spin-Orbit Alignment for the Hot Jupiter HATS-3b
• Star - Planet - Debris Disk Alignment in the HD 82943 system: Is planetary system coplanarity actually the norm?
• Secular dynamics of binaries in stellar clusters II: dynamical evolution
• Origin of (2014) MU69-like Kuiper-belt contact binaries from wide binaries
• OGLE-2015-BLG-1459L: The Challenges of Exo-Moon Microlensing
• A PSF-based Approach to TESS High quality data Of Stellar clusters (PATHOS) -- IV. Candidate exoplanets around stars in open clusters: frequency and age-planetary radius distribution
• Secular dynamics of binaries in stellar clusters I: general formulation and dependence on cluster potential
• Two long-period transiting exoplanets on eccentric orbits: NGTS-20 b (TOI-5152 b) and TOI-5153 b
• No difference in orbital parameters of RV-detected giant planets between 0.1 and 5 au in single vs multi-stellar systems
• Embryo impacts and gas giant mergers II: Diversity of Hot Jupiters' internal structure
• GSC 07396-00759 = V4046 Sgr C[D]: a Wide-separation Companion to the Close T Tauri Binary System V4046 Sgr AB
• A multiplicity study of transiting exoplanet host stars. II. Revised properties of transiting planetary systems with companions
• The Aligned Orbit of the Eccentric Proto Hot Jupiter TOI-3362b
• Discovery of a double eclipsing binary with periods near a 3:2 ratio
• Statistical Trends in the Obliquity Distribution of Exoplanet Systems
• The Doppler Shadow of WASP-3b: A tomographic analysis of Rossiter-McLaughlin observations
• Fundamental frequencies and resonances from eccentric and precessing binary black hole inspirals
• Properties of von Zeipel-Lidov-Kozai oscillations in triple systems at the quadrupole order: relaxing the test particle approximation
• WASP-92b, WASP-93b and WASP-118b: Three new transiting close-in giant planets
• NGTS-6b: An Ultra Short Period Hot-Jupiter Orbiting an Old K Dwarf
• WASP-54b, WASP-56b and WASP-57b: Three new sub-Jupiter mass planets from SuperWASP
• Mutual Inclination Excitation by Stellar Oblateness
• Zodiacal Exoplanets in Time (ZEIT) IX: a flat transmission spectrum and a highly eccentric orbit for the young Neptune K2-25b as revealed by Spitzer
• Gravity-Darkening Analysis of Misaligned Hot Jupiter MASCARA-4 b
• Compact object binary mergers driven by cluster tides: a new channel for LIGO/Virgo gravitational wave events
• A transiting brown dwarf in a 2 hour orbit
• Ultra Short Period Planets in K2 with companions: a double transiting system for EPIC 220674823
• A coplanar circumbinary protoplanetary disk in the TWA 3 triple M dwarf system
• The well-aligned orbit of WASP-84b: evidence for disc migration
• Deriving stellar inclination of slow rotators using stellar activity
• Dynamics of Stellar Spin Driven by Planets Undergoing Lidov-Kozai Migration: Paths to Spin-Orbit Misalignment
• The Stationary Points of the Hierarchical Three Body Problem
• Formation of hot Jupiters through disk migration and evolving stellar tides
• Analysis of Spin-Orbit Misalignment in Eclipsing Binary DI Herculis
• High-resolution Imaging of Transiting Extrasolar Planetary systems (HITEP). II. Lucky Imaging results from 2015 and 2016
• Mass-ratio distribution of contact binary stars
• Features of Gaia DR3 Spectroscopic Binaries I. Tidal circularization of Main-Sequence Stars
• The Varying Light Curve and Timings of the Ultra-short Period Contact Binary KIC 9532219
• Spin-orbit alignments for Three Transiting Hot Jupiters: WASP-103b, WASP-87b, & WASP-66b
• Merging Compact Binaries Near a Rotating Supermassive Black Hole: Eccentricity Excitation due to Apsidal Precession Resonance
• The spin-orbit alignment of visual binaries
• Planets on the Edge
• Eclipse timing the Milky Way's gravitational potential
• K2-114b and K2-115b: Two Transiting Warm Jupiters
• Three new brown dwarfs and a massive hot Jupiter revealed by TESS around early-type stars
• K2-110 b - a massive mini-Neptune exoplanet
• Convection Reconciles the Difference in Efficiencies Between Low-Mass and High-Mass Common Envelopes
• Spectroscopic orbits of subsystems in multiple stars. VI
• Successive common envelope events from multiple planets
• Formation of Dark Matter Torii Around Supermassive Black Holes Via The Eccentric Kozai-Lidov Mechanism
• Variability, periodicity and contact binaries in WISE
• The orbits of the quadruple star system 88 Tau A from PHASES differential astrometry and radial velocity
• Kozai-Lidov cycles towards the limit of circumbinary planets
• TOI-3984 A b and TOI-5293 A b: two temperate gas giants transiting mid-M dwarfs in wide binary systems
• The subdwarf B star SB 290 - A fast rotator on the extreme horizontal branch
• The K2-ESPRINT Project IV: A Hot Jupiter in a Prograde Orbit with a Possible Stellar Companion
• On the formation of hot and warm Jupiters via secular high-eccentricity migration in stellar triples
• How do External Companions Affect Spin-Orbit Misalignment of Hot Jupiters?
• A search for tight hierarchical triple systems amongst the eclipsing binaries in the CoRoT fields
• Demographics of triple systems in dense star clusters
• Are WASP-107-like Systems Consistent with High-eccentricity Migration?
• The TESS Grand Unified Hot Jupiter Survey. I. Ten TESS Planets
• Demographics of Exoplanets in Binaries (DEB). I. Architecture of S-Type Planetary Systems Revealed by the RV Sample
• Speckle observations and orbits of multiple stars
• Photometric investigations on two totally eclipsing contact binaries: V342 UMa and V509 Cam
• Dynamics and habitability in circumstellar planetary systems of known binary stars
• Disruption of Planetary Orbits Through Evection Resonance with an External Companion: Circumbinary Planets and Multiplanet Systems
• DRAFTS: A Deep, Rapid Archival Flare Transient Search in the Galactic Bulge
• Secular chaos in white-dwarf planetary systems: origins of metal pollution and short-period planetary companions
• Two Hot Jupiters from K2 Campaign 4
• On a Possible Solution to the Tidal Realignment Problem for Hot Jupiters
• The Rossiter-McLaughlin effect for exomoons or binary planets
• Know the Star, Know the Planet. III. Discovery of Late-Type Companions to Two Exoplanet Host Stars
• Search for Outer Massive Bodies around Transiting Planetary Systems: Candidates of Faint Stellar Companions around HAT-P-7
• The role of the general relativity on icy body reservoirs under the effects of an inner eccentric Jupiter
• Teetering Stars: Resonant Excitation of Stellar Obliquities by Hot and Warm Jupiters with External Companions
• Tidal evolution of exo-planetary systems: WASP-50, GJ 1214 and CoRoT-7
• Planets larger than Neptune have elevated eccentricities
• Companion-driven evolution of massive stellar binaries
• Very wide companion fraction from Gaia DR2: a weak or no enhancement for hot jupiter hosts, and a strong enhancement for contact binaries
• Three long period transiting giant planets from TESS
• Secular dynamics of hierarchical multiple systems composed of nested binaries, with an arbitrary number of bodies and arbitrary hierarchical structure. III. Suborbital effects: hybrid integration techniques and orbit-averaging corrections
• Observations with the Differential Speckle Survey Instrument. X. Preliminary Orbits of K Dwarf Binaries and Other Stars
• Fundamental Parameters of Kepler Eclipsing Binaries. I. KIC 5738698
• Formation of '3D' multiplanet systems by dynamical disruption of multiple-resonance configurations
• The non-resonant, relativistic dynamics of circumbinary planets
• Stellar Obliquities & Planetary Alignments (SOPA) I. Spin-Orbit measurements of Three Transiting Hot Jupiters: WASP-72b, WASP-100b, & WASP-109b
• Exterior Companions to Hot Jupiters Orbiting Cool Stars are Coplanar
• KELT-24b: A 5M${}_{\mathrm{J}}$ Planet on a 5.6 day Well-Aligned Orbit around the Young V=8.3 F-star HD 93148
• Hot Jupiters, cold kinematics: High phase space densities of host stars reflect an age bias
• Implementing Tidal and Gravitational Wave Energy Losses in Few-body Codes: A Fast and Easy Drag Force Model
• The Triply Eclipsing Hierarchical Triple Star KIC002856960
• SOPHIE velocimetry of Kepler transit candidates XVIII. Radial velocity confirmation, absolute masses and radii, and origin of the Kepler-419 multiplanetary system
• Application of Orbital Stability and Tidal Migration Constraints for Exomoon Candidates
• UOCS-VIII. UV Study of the open cluster NGC 2506 using ASTROSAT
• Shrinking orbits in hierarchical quadruple star systems
• THE BANANA PROJECT. VI. Close double stars are well aligned with noticeable exceptions; results from an ensemble study using apsidal motion and Rossiter-McLaughlin measurements
• The Eclipsing System EP Andromedae and its Circumbinary Companions
• Hot Jupiter and ultra-cold Saturn formation in dense star clusters
• Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183
• Trapping in three-planet resonances during gas-driven migration
• Giant planets: good neighbors for habitable worlds?
• The Young Planet DS Tuc Ab has a Low Obliquity
• Stability of exomoons around the Kepler transiting circumbinary planets
• Apsidal motion of the eclipsing binary AS Camelopardalis: discrepancy resolved
• Triple evolution: an important channel in the formation of type Ia supernovae
• Transiting Exoplanet Monitoring Project (TEMP). I. Refined System Parameters and Transit Timing Variations of HAT-P-29b
• XO-2b: a Prograde Planet with a Negligible Eccentricity, and an Additional Radial Velocity Variation
• TOI-1859b: A 64-Day Warm Jupiter on an Eccentric and Misaligned Orbit
• Evidence of Long-Term Period Variations in the Exoplanet Transit Database (ETD)
• MagAO Imaging of Long-period Objects (MILO). I. A Benchmark M Dwarf Companion Exciting a Massive Planet around the Sun-like Star HD 7449
• The binary mass ratios of circumbinary planet hosts
• Protoplanetary Disk Resonances and Type I Migration
• Encounters involving planetary systems in birth environments: the significant role of binaries
• TOI 694 b and TIC 220568520 b: Two Low-Mass Companions Near the Hydrogen Burning Mass Limit Orbiting Sun-like Stars
• Evidence for Primordial Alignment: Insights from Stellar Obliquity Measurements for Compact Sub-Saturn Systems
• Probable Dormant Neutron Star in a Short-Period Binary System
• Dynamical evolution of triple-star systems by Lidov-Kozai cycles and tidal friction
• Orbital alignment of the eccentric warm Jupiter TOI-677 b
• HATS-38 b and WASP-139 b join a growing group of hot Neptunes on polar orbits
• Extreme eccentricities of triple systems: Analytic results
• Are the orbital poles of binary stars in the solar neighbourhood anisotropically distributed?
• Photometric and period investigation of the late F-type overcontact binary II UMa
• Two warm, low-density sub-Jovian planets orbiting bright stars in K2 campaigns 13 and 14
• Evolution of MU69 from a binary planetesimal into contact by Kozai-Lidov oscillations and nebular drag
• Classification of OGLE eclipsing binary stars based on their morphology type with Locally Linear Embedding
• Kepler-1656b's Extreme Eccentricity: Signature of a Gentle Giant
• TOI-1670 b and c: An Inner Sub-Neptune with an Outer Warm Jupiter Unlikely to have Originated from High-Eccentricity Migration
• Most EL CVn systems are inner binaries of hierarchical triples
• TOI-1259Ab -- a gas giant planet with 2.7% deep transits and a bound white dwarf companion
• The Active Chromospheres of Lithium-Rich Red Giant Stars
• The mystery in Gaia DR3 triples: occurrence rates, orientations, and eccentricities of wide tertiaries around close binaries
• Merging Compact Binaries in Hierarchical Triple Systems: Resonant Excitation of Binary Eccentricity
• 10,000 Resolved Triples from Gaia: Empirical Constraints on Triple Star Populations
• A Tale of Two Circularization Periods
• Hydrodynamics and survivability during post-main-sequence planetary engulfment
• Automated approach to measure stellar inclinations: validation through large-scale measurements on the red giant branch
• The effects of disc warping on the inclination of planetary orbits
• Von Zeipel - Lidov - Kozai cycles in action: $Kepler$ triples with eclipse depth variations: KICs 6964043, 5653126, 5731312 and 8023317
• HIP 33609 b: An Eccentric Brown Dwarf Transiting a V=7.3 Rapidly Rotating B-Star
• Formation and Evolution of Blue Stragglers in 47 Tucanae
• Migration into a Companion's Trap: Disruption of Multiplanet Systems in Binaries
• Tidal damping of the mutual inclination in hierachical systems
• Eclipsing Binaries From the CSTAR Project at Dome A, Antarctica
• Forming Hot Subluminous Stars from Hierarchical Triples -- I. The Role of an Outer Tertiary on Formation Channels
• The resilience of Kepler systems to stellar obliquity
• Precession due to a close binary system: An alternative explanation for ν-Octantis?
• Equilibria in the secular, non-coplanar two-planet problem
• Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. I. Confirmation of an Eccentric, Cool Jupiter With an Interior Earth-sized Planet Orbiting Kepler-1514
• The Epoch of Giant Planet Migration Planet Search Program. I. Near-Infrared Radial Velocity Jitter of Young Sun-like Stars
• KELT-22Ab: A Massive Hot Jupiter Transiting a Near Solar Twin
• Dynamical masses of the low-mass stellar binary ABDoradusB
• Orbits of subsystems in four hierarchical multiple stars
• Tracking the spin axes orbital alignment in selected binary systems - Torun Rossiter-McLaughlin effect survey
• On the phase-mixed eccentricity and inclination distributions of wide binaries in the Galaxy
• Bayesian Characterisation of Circumbinary Exoplanets with LISA
• Eclipse timing variation analysis of OGLE-IV eclipsing binaries toward the Galactic Bulge. II. Short periodic triple stellar systems
• Variability survey in the CoRoT SRa01 field: Implications of eclipsing binary distribution on cluster formation in NGC 2264
• Effective two-body approach to the hierarchical three-body problem: quadrupole to 1PN
• The Physical Nature and Orbital Behavior of the Eclipsing System DK Cygni
• Very Low-Mass Stellar and Substellar Companions to Solar-like Stars From MARVELS VI: A Giant Planet and a Brown Dwarf Candidate in a Close Binary System HD 87646
• Statistical Analysis of the Dearth of Super-eccentric Jupiters in the Kepler Sample
• Very Low-mass Stellar and Substellar Companions to Solar-like Stars from MARVELS II: A Short-period Companion Orbiting an F Star with Evidence of a Stellar Tertiary And Significant Mutual Inclination
• Physical properties of seven binary and higher-order multiple OB systems
• Towards Multiple-Star Population Synthesis
• Protostellar spin-down: a planetary lift?
• On the triple-star origin of the planetary nebula Sh 2-71
• Model computations of blue stragglers and W UMa-type stars in globular clusters
• The fate of close encounters between binary stars and binary supermassive black holes
• Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. II. Discovery of a Failed Hot Jupiter on a 2.7 Year, Highly Eccentric Orbit
• Hot Jupiter formation in dense clusters: secular chaos in multi-planetary systems
• How Complete Are Surveys for Nearby Transiting Hot Jupiters?
• The TESS-Keck Survey. VI. Two Eccentric sub-Neptunes Orbiting HIP-97166
• Transit Timing Variation of XO-3b: Evidence for Tidal Evolution of Hot Jupiter with High Eccentricity
• Inflated Eccentric Migration of Evolving Gas-Giants I: Accelerated Formation and Destruction of Hot and Warm Jupiters
• A Comparison of Spectroscopic versus Imaging Techniques for Detecting Close Companions to Kepler Objects of Interest
• On the pollution of white dwarfs by exo-Oort cloud comets
• TASTE V. A new ground-based investigation of orbital decay in the ultra-hot Jupiter WASP-12b
• The Spin-Orbit Alignment of 8 Warm Gas Giant Systems
• Enhancement of Double-Close-Binary Quadruples
• A Triple Star Origin For T Pyx and Other Short-Period Recurrent Novae
• Sustained Kozai-Lidov oscillations in misaligned circumstellar gas disks
• New inclination changing eclipsing binaries in the Magellanic Clouds
• Detection and Characterization of Extrasolar Planets through Doppler Spectroscopy
• Two Massive Jupiters in Eccentric Orbits from the TESS Full Frame Images
• Hints for hidden planetary companions to hot Jupiters in stellar binaries
• Physical Nature and Orbital Behavior of the Eclipsing System UZ Leonis
• The Hot Neptune WASP-166~b with ESPRESSO I: Refining the Planetary Architecture and Stellar Variability
• Orbital and physical parameters of eclipsing binaries from the All-Sky Automated Survey catalogue - X. Three high-contrast systems with secondaries detected with IR spectroscopy
• NEID Reveals that The Young Warm Neptune TOI-2076 b Has a Low Obliquity
• Relativistic Dynamical Stability Criterion of Multi-Planet Systems with a Distant Companion
• A Survey for High-Mass Eclipsing Binaries
• NGTS clusters survey -- III: A low-mass eclipsing binary in the Blanco 1 open cluster spanning the fully convective boundary
• HE 0017+0055 : A probable pulsating CEMP-rs star and long-period binary
• Exoplanetary Geophysics -- An Emerging Discipline
• Changes in orientation and shape of protoplanetary discs moving through an ambient medium
• Creating retrogradely orbiting planets by prograde stellar fly-bys
• A Quintuple Star System Containing Two Eclipsing Binaries
• KELT-18b: Puffy Planet, Hot Host, Probably Perturbed
• GRIT: a package for structure-preserving simulations of gravitationally interacting rigid-bodies
• Terrestrial Planets Formation under Migration: the Systems near 4:2:1 Mean Motion Resonance
• Long-term stability of planets in and around binary stars
• The contact binary V344 Lacertae: is it a triple system?
• Absolute Dimensions of a Flat Hierarchical Triple System KIC 6543674 from the Kepler Photometry
• Two Planets Straddling the Habitable Zone of The Nearby K Dwarf Gl 414A
• On the Dynamics of Ultra Compact X-ray Binaries: 4U 1850-087, 4U 0513-40 and M15 X-2
• Can Large-Scale Migration Explain the Giant Planet Occurrence Rate?
• Secular dynamics of binaries in stellar clusters -- III. Doubly-averaged dynamics in the presence of general relativistic precession
• The Role of Kozai Cycles in Near-Earth Binary Asteroids
• WASP-20 is a close visual binary with a transiting hot Jupiter
• A 4.6-year period brown-dwarf companion interacting with the hot-Jupiter CoRoT-20 b
• The ominous fate of exomoons around hot Jupiters in the high-eccentricity migration scenario
• Tidal evolution and diffusive growth during high-eccentricity planet migration: revisiting the eccentricity distribution of hot Jupiters
• Nodal Precession of WASP-33b for Eleven Years by Doppler Tomographic and Transit Photometric Observations
• Sculpting the circumbinary planet size distribution through resonant interactions with companion planets
• TIC 290061484: A Triply Eclipsing Triple System with the Shortest Known Outer Period of 24.5 Days
• Orphaned Exomoons: Tidal Detachment and Evaporation Following an Exoplanet-Star Collision
• Forming Different Planetary Systems
• Measuring Tidal Dissipation in Giant Planets from Tidal Circularization
• The PFS view of TOI-677 b: A spin-orbit aligned warm Jupiter in a dynamically hot system
• EPIC 203868608: A low-mass quadruple star system in the Upper Scorpius OB association
• On the frequency of planetary systems around G-dwarfs
• TESS Giants Transiting Giants. VI. Newly Discovered Hot Jupiters Provide Evidence for Efficient Obliquity Damping after the Main Sequence
• HATS-50b through HATS-53b: four transiting hot Jupiters orbiting G-type stars discovered by the HATSouth survey
• Synergies between Asteroseismology and Exoplanetary Science
• Optical-infrared flares and radio afterglows by Jovian planets inspiraling into their host stars
• Mergers prompted by dynamics in compact, multiple-star systems: a stellar-reduction case for the massive triple TIC 470710327
• Finding proto-spectroscopic binaries: Precise multi-epoch radial velocities of 7 protostars in rho-Ophiuchus
• A third star in the HAT-P-7 system, and a new dynamical pathway to misaligned hot Jupiters
• Very Low-mass Stellar and Substellar Companions to Solar-like Stars from Marvels III: A Short-Period Brown Dwarf Candidate Around An Active G0Iv Subgiant
• The PHASES Differential Astrometry Data Archive IV: The Triple Star Systems 63 Gem A and HR 2896
• Probing the Spins of Supermassive Black Holes with Gravitational Waves from Surrounding Compact Binaries
• EPIC 246851721 b: A Tropical Jupiter Transiting a Rapidly Rotating Star in a Well-Aligned Orbit
• NSVS 01286630: A Detached Binary with a Close-in Companion
• The OATMEAL Survey. I. Low Stellar Obliquity in the Transiting Brown Dwarf System GPX-1
• Orbital Solutions for Two Young, Low-Mass Spectroscopic Binaries in Ophiuchus
• Gaia BH1 and BH2 -- evolutionary models with overshooting of the black hole progenitors within the present-day binary separation
• KELT-23Ab: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
• Photosynthetic Potential of Planets in 3:2 Spin Orbit Resonances
• Extremely Inclined Orbit of S-type Planet $\gamma$ Cep Ab Induced by Eccentric Kozai-Lidov Mechanism
• WZ Cygni: a Marginal Contact Binary in a Triple System?
• The Kepler Eclipsing System KIC 5621294 and its Substellar Companion
• Photometric Investigation of the Contact Binary GU Ori with High Metallicity
• New high precision orbital and physical parameters of the double-lined low-mass spectroscopic binary BY Draconis
• 44 New & Known M Dwarf Multiples In The SDSS-III/APOGEE M Dwarf Ancillary Science Sample
• Transits and Lensing by Compact Objects in the Kepler Field: Disrupted Stars Orbiting Blue Stragglers
• Three Ultra-short Period Contact Eclipsing Binary Systems Mined from Massive Astronomical Surveys
• Connecting Planetary Composition with Formation
• Understanding the Planetary Formation and Evolution in Star Clusters(UPiC)-I: Evidence of Hot Giant Exoplanets Formation Timescales
• The DEdicated MONitor of EXotransits (DEMONEX): Seven Transits of XO-4b
• Multiverse Predictions for Habitability: Number of Potentially Habitable Planets
• Directly Imaging Tidally Powered Migrating Jupiters
• Interesting dynamics at high mutual inclination in the framework of the Kozai problem with an eccentric perturber
• Mutual Inclination of Ultra-Short-Period Planets with Time Varying Stellar J2-moment
• Formation of polar circumstellar discs in binary star systems
• The First Spin-Orbit Obliquity of an M dwarf/brown dwarf System: An eccentric and aligned TOI-2119 b
• The influence of general-relativity effects, dynamical tides and collisions on planet-planet scattering close to the star
• Study of the Mass-Ratio Distribution of Spectroscopic Binaries. II. The Boundaries of the Brown-Dwarf Desert as Seen with the APOGEE Spectroscopic Binaries
• Measuring accurate transit parameters
• BRITE observations of $\nu$ Centauri and $\gamma$ Lupi, the first non-eclipsing members of the new class of nascent binaries
• An old warm Jupiter orbiting the metal-poor G-dwarf TOI-5542
• A Holistic and Probabilistic Approach to the Ground-based Data of HAT-P-19 System
• Librating Kozai-Lidov Cycles with a Precessing Quadrupole Potential are Analytically Approximately Solved
• Chasing extreme planetary architectures: I- HD196885Ab, a super-Jupiter dancing with two stars?
• Numerical Modelling of Tertiary Tides
• Connecting HL Tau to the Observed Exoplanet Sample
• The White Dwarf Binary Pathways Survey III: contamination from hierarchical triples containing a white dwarf
• Stellar obliquities of eight close-in gas giant exoplanets
• Planet Formation in Highly Inclined Binary Systems. II. Orbital Alignment or Anti-alignment and Planet Growth Boost in Intermediate Separation Binaries
• Absolute parameters of AE For -- a highly active detached binary of late K type
• Starspots and spin-orbit alignment for Kepler cool host stars
• Transit Duration Variations in Multi-Planet Systems
• Cataclysmic Variables in Triples: Formation Models and New Discoveries
• Modified evolution of stellar binaries from supermassive black hole binaries
• Multiplexing Precision RVs: Searching for Close in Gas Giants in Open Clusters
• An Analytic Solution to the Kozai-Lidov Evolution Equations
• Binary Natal Kicks in the Galactic Center: X-ray Binaries, Hypervelocity Stars, and Gravitational Waves
• Today a Duo, But Once a Trio? The Double White Dwarf HS 2220$+$2146 May Be A Post-Blue Straggler Binary
• The K2 M67 Study: A Curiously Young Star in an Eclipsing Binary in an Old Open Cluster
• ATREIDES I. Embarking on a trek across the exo-Neptunian landscape with the TOI-421 system
• Refractory and Volatile Species in the UV-to-IR Transmission Spectrum of Ultra-hot Jupiter WASP-178b with HST and JWST
• Successive Merger of Multiple Massive Black Holes in a Primordial Galaxy
• A census of main-sequence interactions in the Multiple Star Catalog
• NGTS J214358.5-380102 -- NGTS discovery of the most eccentric known eclipsing M-Dwarf binary system
• Difficulty in Formation of Counter-orbiting Hot Jupiters from Near-coplanar Hierarchical Triple Systems: A Sub-stellar Perturber
• The Multiple Origin of Blue Straggler Stars: Theory vs. Observations
• Making BEASTies: dynamical formation of planetary systems around massive stars
• Revisiting the Architecture of the KOI-89 System
• Binary Evolution: Roche Lobe Overflow and Blue Stragglers
• Hot Jupiter engulfment by a red giant in 3D hydrodynamics
• The Equilibrium Tide: An Updated Prescription for Population Synthesis Codes
• A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134
• The nearest discovered black hole is likely not in a triple configuration
• Fast radio burst repeaters produced via Kozai-Lidov feeding of neutron stars in binary systems
• Making hot Jupiters in stellar clusters: the importance of binary exchange
• SOPHIE velocimetry of Kepler transit candidates. XIX. The transiting temperate giant planet KOI-3680b
• Hiding Planets Near and Far: The Parameter Space of Hidden Companions for Known Planetary Systems
• On the nature of the azimuthal asymmetry of protoplanetary disks observed pole-on. The case LkHa 101
• Retrieving planet formation parameters of WASP-77Ab using SimAb
• The Aligned Orbit of a Hot Jupiter around the M Dwarf TOI-4201
• A direct N-body integrator for modelling the chaotic, tidal dynamics of multi-body extrasolar systems: TIDYMESS
• Evolutionary history of four binary blue stragglers from the globular clusters ωCen, M55, 47 Tuc and NGC 6752
• Evidence for Primordial Alignment II: Insights from Stellar Obliquity Measurements for Hot Jupiters in Compact Multiplanet Systems
• On the dynamical evolution of Cepheid multiplicity in star clusters and its implications for B-star multiplicity at birth
• Searching for orbital decay in a heartbeat star system KIC 3766353
• Statistics of Magrathea exoplanets beyond the Main Sequence. Simulating the long-term evolution of circumbinary giant planets with TRES
• Revisiting the Full Sets of Orbital Parameters for the XO-3 System: No evidence for Temporal Variation of the Spin-Orbit Angle
• Analytic understanding of the resonant nature of Kozai Lidov Cycles with a precessing quadrupole potential
• Transit Depth Variations Reveal TOI-216 b to be a Super-Puff
• The eShel Spectrograph: A Radial-velocity Tool at the Wise Observatory
• The 24 Aqr triple system: A closer look at its unique high-eccentricity hierarchical architecture
• TOI-858 B b: A hot Jupiter on a polar orbit in a loose binary
• NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69b
• DMPP-3: confirmation of short-period S-type planet(s) in a compact eccentric binary star system, and warnings about long-period RV planet detections
• Comprehensive Bayesian Modeling of Tidal Circularization in Open Cluster Binaries part I: M 35, NGC 6819, NGC 188
• Astrophysics with the Laser Interferometer Space Antenna
• Constraints on Tidal Quality Factor in Kepler Eclipsing Binaries using Tidal Synchronization: A Frequency-Dependent Approach
• Possible Outcomes of Coplanar High-eccentricity Migration: Hot Jupiters, Close-in Super-Earths, and Counter-orbiting Planets
• Candidates of eclipsing multiples based on extraneous eclipses on binary light curves: KIC 7622486, KIC 7668648, KIC 7670485 and KIC 8938628
• Constraining Planetary Migration and Tidal Dissipation with Coeval Hot Jupiters
• Merger Criteria of Multiple Massive Black Holes and the Impact on the Host Galaxy
• Atmospheric Mass Loss from TOI-1259 A b, a Gas Giant Planet With a White Dwarf Companion
• Eccentricity Boost of Stars Around Shrinking Massive Black Hole Binaries
• Planet Across Space and Time (PAST). VII. The origin and tidal evolution of hot Jupiters constrained by a broken age-frequency relation
• Investigating the eccentricity distribution of transiting, long-period giant planets
• Small and Close-In Planets are Uncommon Around A-type Stars
• G 68-34: A Double-Lined M-Dwarf Eclipsing Binary in a Hierarchical Triple System
• NEOSSat Observations of Three Transiting Hot Jupiters
• Interacting Young M-dwarfs in Triple System -- Par 1802 Binary System Case Study
• A white dwarf bound to the transiting planetary system WASP-98
• Resonance capture and long-term evolution of planets in binary star systems
• Revisiting Stellar Orbits and the Sgr A${}^{\ast }$ Quadrupole Moment
• A New Brown Dwarf Orbiting an M star and An Investigation on the Eccentricity Distribution of Transiting Long-Period Brown Dwarfs
• Detailed Simulations of Massive Hierarchical Triple Star Systems - Exploring the impact of the stellar physics on the evolutionary pathways of massive hierarchical triple systems
• Induced Kozai Migration and Formation of Close-in Planets in Binaries
• Spectroscopy of Eclipsing Compact Hierarchical Triples I
• A fresh insight into the evolutionary status and third body hypothesis of the eclipsing binaries AD Andromedae, AL Camelopardalis, and V338 Herculis
• Confirmation of four hot Jupiters detected by TESS using follow-up spectroscopy from MaHPS at Wendelstein together with NEID and TRES
• Giant Outer Transiting Exoplanet Mass (GOT 'EM) Survey. VI: Confirmation of a Long-Period Giant Planet Discovered with a Single TESS Transit
• Sculpting of Exoplanetary Systems Driven by a Misaligned Disk and Stellar Oblateness: Origin of Perpendicular Orbits in HD 3167
• Dynamical Fates of S-Type Planetary Systems in Embedded Cluster Environments
• TOI-3288 b and TOI-4666 b: two gas giants transiting low-mass stars characterised by NIRPS
• The role of triple evolution in the formation of LISA double white dwarfs
• A CHEOPS Search for Massive, Long-Period Companions to the Warm Jupiter K2-139 b
• The low density, hot Jupiter TOI-640 b is on a polar orbit
• The OATMEAL Survey. III. An Aligned Transiting Warm Brown Dwarf and Evidence for Quiescent Brown Dwarf Migration
• Planetary system architectures with low-mass inner planets: Direct imaging exploration of mature systems beyond 1 au
• The New Generation Planetary Population Synthesis (NGPPS) VIII. Impact of host star metallicity on planet occurrence rates, orbital periods, eccentricities, and radius valley morphology
• Global Instability of Exo-Moon System Triggered by Photo-Evaporation
• A Trio of Giant Planets Orbiting Evolved Star HD 184010
• A high stellar multiplicity rate amongst TESS planet candidates in the Neptunian desert using Gaia DR3 astrometry
• The complex dynamical past and future of double eclipsing binary CzeV343: misaligned orbits and period resonance
• A Unique Low-Mass Ratio Contact Eclipsing Binary System under the Period Cut-Off
• What to Expect from Transiting Multiplanet Systems
• Beyond binarity in A stars II. Disentangling the four stars in the vicinity of the triple HIP 87813 within the quintuple system HJ2814
• TOI-2458 b: A mini-Neptune consistent with in situ hot Jupiter formation
• Discs in misaligned binary systems
• Three X-ray Flares Near Primary Eclipse of the RS CVn Binary XY UMa
• The evolution of PUCHEROS from a basic to a competitive tool for stellar astrophysics
• Evolution of binaries with compact objects in globular clusters
• Generation of inclined protoplanetary discs and misaligned planets through mass accretion I: Coplanar secondary discs
• Production of hot Jupiter candidates from high-eccentricity mechanisms for different initial planetary mass configurations
• The Neptunian ridge as a natural outcome of high-eccentricity tidal migration
• Photometric analysis of three totally eclipsing W UMa stars with increasing periods: TYC 3700-1384-1, V1511 Her and V1179 Her
• Planetary architectures under the influence of a stellar binary
• The excitation of planetary orbits by stellar jet variability and polarity reversal
• Probabilistic eccentricity bifurcation for stars around shrinking massive black hole binaries
• Bifurcated Evolutionary Pathways in Multi-planet Systems Driven by Misaligned Protoplanetary Disks
• The long history of the Rossiter-McLaughlin effect and its recent applications
• The Formation of Double Hot Jupiter Systems through von Zeipel-Lidov-Kozai Migration
• The effects of the spin and quadrupole moment of SgrA* on the orbits of S stars
• Say hello to Algol's new companion candidates
• Were the Obliquities in DI Herculis Excited by an Unseen Tertiary Companion?
• Massive binaries and the enrichment of the interstellar medium in globular clusters
• Relativistic Lidov-Kozai resonance in binaries
• Evolution of a migrating giant planet in the presence of an inclined binary companion
• PLATOSpec: a precise spectrograph in support of space missions
• Re-recognized universality of Kozai oscillation on three-body dynamics
• High-contrast Imaging around a 2 Myr-old CI Tau with a Close-in Gas Giant
• A.C.I.D -- An Improved LSD Technique for Accurate Line Profile Retrieval
• Uncovering the Rapidly Evolving Orbits of the Dynamic TOI-201 System
• Short-Range Forces Can Catalyze Extreme Orbital Evolution in Hierarchical Triples
• Discovery of a compact hierarchical triple main-sequence star system while searching for binary stars with compact objects
• HARPS-N Reveals a Well-aligned Orbit for the Highly Eccentric Warm Jupiter TOI-4127 b
• TOI-1259Ab: A Warm Jupiter Orbiting a K-dwarf White-Dwarf Binary is on a Well-aligned Orbit
• Higher-order effects in the dynamics of hierarchical triple systems. III. Astrophysical implications of second-order and dotriacontapole terms
• Light Curve Models of Convective Common Envelopes
• Modulations in Multi-Periodic Blue Variables in the LMC
• Dynamical Evolution of Planetary Systems
• Constraints on the Obliquities of Kepler Planet-Hosting Stars
• A Homogeneous Catalog of Rossiter-McLaughlin Systems: Distinct $e$-$\lambda$ Trends in Three Gas-Giant Mass Regimes
• TOI-7154b: A Close-in Massive Brown Dwarf in an Eccentric Orbit
• A Warm Massive Pair of Planets around TOI-1232 Revealed with Transit-timing Variations and Doppler Spectroscopy
• Dynamical orbital evolution scenarios of the wide-orbit eccentric planet HR 5183b
• Orbital alignment of HD 332231 b
• Revisiting the dynamics of planets in binaries: evolutionary timescales and the effect of early stellar evolution
• The Influence of General Relativity on the Spins of Celestial Bodies in Inclined Orbits
• AU Mic b is the Youngest Planet to have a Spin-Orbit Alignment Measurement
• Searching for the Grand Tack in Exoplanetary Data
• Generating Stellar Obliquity in Systems with Broken Protoplanetary Disks
• Evidence for the Late Arrival of Hot Jupiters in Systems with High Host-star Obliquities
• Inflated Eccentric Migration of evolving gas giants II: Numerical methodology and basic concepts
• The eccentricity distribution of wide binaries and their individual measurements
• Disentangling the stellar inclination of transiting planetary systems: fully analytic approach to the Rossiter-McLaughlin effect incorporating the stellar differential rotation
• Absolute dimensions of the unevolved F-type eclipsing binary BT Vulpeculae
• Taking apart the dynamical clock. Fat-tailed dynamical kicks shape the blue-straggler star bimodality
• Effects of Magnetic Braking and Tidal Friction on Hot Jupiters
• Anatomy of a slow merger: dissecting secularly-driven inspirals of LIGO/Virgo gravitational wave sources
• A 2+1+1 quadruple star system containing the most eccentric, low-mass, short-period, eclipsing binary known
• Breaking the Mass Inclination Degeneracy of Radial Velocity Measurements via Monitoring von Zeipel-Lidov-Kozai Cycles: Implications in the HD 41004 System
• The EBLM Project XVIII. 3D Obliquities of Five Low-Mass Eclipsing Binaries
• K2-99 revisited: a non-inflated warm Jupiter, and a temperate giant planet on a 522-d orbit around a subgiant