The occurrence of planets and other substellar bodies around white dwarfs using K2

Abstract

The majority of stars both host planetary systems and evolve into a white dwarf (WD). To understand their post-main-sequence (PMS) planetary system evolution, we present a search for transiting/eclipsing planets and other Substellar Bodies (SBs) around WDs using a sample of 1148 WDs observed by K2. Using transit injections, we estimate the completeness of our search. We place constraints on the occurrence of planets and substellar bodies around white dwarfs as a function of planet radius and orbital period. For short-period ($P<40$ days) small objects, from asteroid-sized to $1.5R_{\oplus }$, these are the strongest constraints known to date. We further constrain the occurrence of hot Jupiters ($<1.5\%$), habitable zone Earth-sized planets ($<28\%$), and disintegrating short-period planets ($\sim 12\%$). We blindly recovered all previously known eclipsing objects, providing confidence in our analysis, and make all light curves publicly available.

arXiv commentAccepted by MNRAS

References in corpus (64)

• The Transiting Exoplanet Survey Satellite
• Analytic Lightcurves for Planetary Transit Searches
• The K2 Mission: Characterization and Early results
• The PLATO 2.0 Mission
• The WASP Project and the SuperWASP Cameras
• A box-fitting algorithm in the search for periodic transits
• LSST Science Book, Version 2.0
• The Keck Planet Search: Detectability and the Minimum Mass and Orbital Period Distribution of Extrasolar Planets
• Prevalence of Earth-size planets orbiting Sun-like stars
• A Technique for Extracting Highly Precise Photometry for the Two-Wheeled Kepler Mission
• One or more bound planets per Milky Way star from microlensing observations
• A disintegrating minor planet transiting a white dwarf
• The frequency of planetary debris around young white dwarfs
• Binarity in Brown Dwarfs: T Dwarf Binaries Discovered with the Hubble Space Telescope WPFC2
• The California Planet Survey I. Four New Giant Exoplanets
• Observed Properties of Exoplanets: Masses, Orbits, and Metallicities
• The Frequency of Hot Jupiters Orbiting Nearby Solar-Type Stars
• Ancient planetary systems are orbiting a large fraction of white dwarf stars
• The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets
• Microlens OGLE-2005-BLG-169 Implies Cool Neptune-Like Planets are Common
• The Orbital Evolution of Gas Giant Planets around Giant Stars
• The Next Generation Transit Survey (NGTS)
• Foretellings of Ragnarök: World-engulfing Asymptotic Giants and the Inheritance of White Dwarfs
• Characterizing the Cool KOIs III. KOI-961: A Small Star with Large Proper Motion and Three Small Planets
• Hot Jupiters and Cool Stars
• Dynamical effects of stellar mass loss on a Kuiper-like belt
• Eccentric Planets and Stellar Evolution as a Cause of Polluted White Dwarfs
• On the Orbits of Low-mass Companions to White Dwarfs and the Fates of the Known Exoplanets
• Constraints on the Lifetimes of Disks Resulting from Tidally Destroyed Rocky Planetary Bodies
• The K2-ESPRINT Project. I. Discovery of the Disintegrating Rocky Planet K2-22b with a Cometary Head and Leading Tail
• Post-common envelope binaries from SDSS - VII: A catalogue of white dwarf-main sequence binaries
• Planet Engulfment by ~1.5-3 Solar-Mass Red Giants
• Long-term evolution of three-planet systems to the post-Main Sequence and beyond
• The Field White Dwarf Mass Distribution
• Stochastic accretion of planetesimals onto white dwarfs: constraints on the mass distribution of accreted material from atmospheric pollution
• Transit surveys for Earths in the habitable zones of white dwarfs
• Detectable close-in planets around white dwarfs through late unpacking
• High-speed photometry of the disintegrating planetesimals at WD1145+017: evidence for rapid dynamical evolution
• Evryscope science: exploring the potential of all-sky gigapixel-scale telescopes
• K2P${}^2$ $-$ A photometry pipeline for the K2 mission
• Spitzer Observations of White Dwarfs: the Missing Planetary Debris Around DZ Stars
• Multi-Planet Destabilisation and Escape in Post-Main Sequence Systems
• Detection limits for close eclipsing and transiting sub-stellar and planetary companions to white dwarfs in the WASP survey
• Discovery of the Eclipsing Detached Double White Dwarf Binary NLTT 11748
• Full-lifetime simulations of multiple unequal-mass planets across all phases of stellar evolution
• A wide binary trigger for white dwarf pollution
• Dusty Disks around White Dwarfs I: Origin of Debris Disks
• Two white dwarfs in ultrashort binaries with detached, eclipsing, likely substellar companions detected by K2
• WD 1145+017 Photometric Observations During 8 Months of High Activity
• A search for planetary eclipses of white dwarfs in the Pan-STARRS1 medium-deep fields
• Detecting bio-markers in habitable-zone earths transiting white dwarfs
• Detection of Weak Circumstellar Gas around the DAZ White Dwarf WD 1124-293: Evidence for the Accretion of Multiple Asteroids
• The Fate of Exomoons in White Dwarf Planetary Systems
• Ultra Short Period Planets in K2: SuPerPiG Results for Campaigns 0-5
• SDSS J1152+0248: An eclipsing double white dwarf from the Kepler K2 campaign
• The fates of Solar system analogues with one additional distant planet
• When flux standards go wild: white dwarfs in the age of Kepler
• WD 1202-024: The Shortest-Period Pre-Cataclysmic Variable
• Multi-band photometry and spectroscopy of an all-sky sample of bright white dwarfs
• Mid-Infrared Observations of the White Dwarf Brown Dwarf Binary GD 1400
• An Extreme-AO Search for Giant Planets around a White Dwarf --VLT/SPHERE performance on a faint target GD 50
• A Search for short-period Rocky Planets around WDs with the Cosmic Origins Spectrograph (COS)
• The K2-ESPRINT Project II: Spectroscopic follow-up of three exoplanet systems from Campaign 1 of K2
• Limits on Unresolved Planetary Companions to White Dwarf Remnants of 14 Intermediate-Mass Stars

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• A planetesimal orbiting within the debris disc around a white dwarf star
• Unstable low-mass planetary systems as drivers of white dwarf pollution
• I Spy Transits and Pulsations: Empirical Variability in White Dwarfs Using Gaia and the Zwicky Transient Facility
• Observationally driven Galactic double white dwarf population for LISA
• Identifying Exoplanets with Deep Learning II: Two New Super-Earths Uncovered by a Neural Network in K2 Data
• Giant planet occurrence within 0.2 AU of low-luminosity red giant branch stars with K2
• The White Dwarf Opportunity: Robust Detections of Molecules in Earth-like Exoplanet Atmospheres with the James Webb Space Telescope
• Enhanced Lidov-Kozai migration and the formation of the transiting giant planet WD1856+534b
• Exoplanet recycling in massive white-dwarf debris discs
• Do close-in giant planets orbiting evolved stars prefer eccentric orbits?
• Kozai Migration Naturally Explains the White Dwarf Planet WD1856b
• Low-Cost Access to the Deep, High-Cadence Sky: the Argus Optical Array
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• Tidal circularization of gaseous planets orbiting white dwarfs
• Detections and Constraints on White Dwarf Variability from Time-Series GALEX Observations
• A transit survey to search for planets around hot subdwarfs: I. methods and performance tests on light curves from Kepler, K2, TESS, and CHEOPS
• UV Surface Environments and Atmospheres of Earth-like Planets Orbiting White Dwarfs
• Circumbinary exoplanets and brown dwarfs with the Laser Interferometer Space Antenna
• Transit least-squares survey -- II. Discovery and validation of 17 new sub- to super-Earth-sized planets in multi-planet systems from K2
• On the detectability of transiting planets orbiting white dwarfs using LSST
• Dynamical evolution of two-planet systems and its connection with white dwarf atmospheric pollution
• Orbit decay of 2-100 au planetary remnants around white dwarfs with no gravitational assistance from planets
• Transit least-squares survey - I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance
• High-resolution Spectra and Biosignatures of Earth-like Planets Transiting White Dwarfs
• The SNR of a Transit
• The Influence of Tidal Heating on the Habitability of Planets Orbiting White Dwarfs
• The Large Array Survey Telescope -- Science Goals
• Astrometric Gravitational-Wave Detection via Stellar Interferometry
• Hydrodynamic Simulations of Disrupted Planetary Accretion Discs Inside the Core of an AGB Star
• H${}_2$-dominated Atmosphere as an Indicator of Second-generation Rocky White Dwarf Exoplanets
• Generating metal-polluting debris in white dwarf planetary systems from small-impact crater ejecta
• The DECam Minute Cadence Survey II: 49 Variables but No Planetary Transits of a White Dwarf
• Asteroid belt survival through stellar evolution: dependence on the stellar mass
• A search for transiting planets around hot subdwarfs II. Supplementary methods and results from TESS Cycle 1
• Potential for life to exist and be detected on Earth-like planets orbiting white dwarfs
• Infrared and Optical Detectability of Dyson Spheres at White Dwarf Stars
• Spatial distribution of exoplanet candidates based on Kepler and $Gaia$ data
• Planet Occurrence: Doppler and Transit Surveys
• Relative occurrence rates of terrestrial planets orbiting FGK stars
• ZTFJ0038+2030: a long period eclipsing white dwarf and a substellar companion
• The Search for Planet and Planetesimal Transits of White Dwarfs with the Zwicky Transient Facility
• A Higher Cadence Subsurvey Located in the Galactic Plane
• A new code for low-resolution spectral identification of white dwarf binary candidates