A near-infrared interferometric survey of debris-disk stars. VII. The hot/warm dust connection

Abstract

(abridged) Context. The origin of hot exozodiacal dust and its connection with outer dust reservoirs remains unclear. Aims. We aim to explore the possible connection between hot exozodiacal dust and warm dust reservoirs (> 100 K) in asteroid belts. Methods. We use precision near-infrared interferometry with VLTI/PIONIER to search for resolved emission at H band around a selected sample of nearby stars. Results. Our observations reveal the presence of resolved near-infrared emission around 17 out of 52 stars, four of which are shown to be due to a previously unknown stellar companion. The 13 other H-band excesses are thought to originate from the thermal emission of hot dust grains. Taking into account earlier PIONIER observations, and after reevaluating the warm dust content of all our PIONIER targets through spectral energy distribution modeling, we find a detection rate of 17.1(+8.1)(-4.6)% for H-band excess around main sequence stars hosting warm dust belts, which is statistically compatible with the occurrence rate of 14.6(+4.3)(-2.8)% found around stars showing no signs of warm dust. After correcting for the sensitivity loss due to partly unresolved hot disks, under the assumption that they are arranged in a thin ring around their sublimation radius, we however find tentative evidence at the 3σ level that H-band excesses around stars with outer dust reservoirs (warm or cold) could be statistically larger than H-band excesses around stars with no detectable outer dust. Conclusions. Our observations do not suggest a direct connection between warm and hot dust populations, at the sensitivity level of the considered instruments, although they bring to light a possible correlation between the level of H-band excesses and the presence of outer dust reservoirs in general.

arXiv commentAccepted for publication in A&A

References in corpus (101)

• The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance
• MultiNest: an efficient and robust Bayesian inference tool for cosmology and particle physics
• Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics
• New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey
• The AKARI/IRC Mid-Infrared All-Sky Survey
• The Geneva-Copenhagen Survey of the Solar neighbourhood III. Improved distances, ages, and kinematics
• The angular size of dwarf stars and subgiants - Surface brightness relations calibrated by interferometry
• The Star-formation History and Accretion-Disk Fraction Among the K-Type Members of the Scorpius-Centaurus OB Association
• How Dry is the Brown Dwarf Desert?: Quantifying the Relative Number of Planets, Brown Dwarfs and Stellar Companions around Nearby Sun-like Stars
• Stellar and substellar companions of nearby stars from Gaia DR2 - Binarity from proper motion anomaly
• Debris Disk Evolution Around A Stars
• Structure and Evolution of Nearby Stars with Planets II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
• The VAST Survey - III. The multiplicity of A-type stars within 75 pc
• PIONIER: a 4-telescope visitor instrument at VLTI
• CASSIS: The Cornell Atlas of Spitzer/IRS Sources
• Spitzer IRS Spectroscopy of IRAS-Discovered Debris Disks
• Fundamental parameters and infrared excesses of Hipparcos stars
• A lithium depletion boundary age of 21 Myr for the Beta Pictoris moving group
• The Complete Census of 70-um-Bright Debris Disks within the FEPS (Formation and Evolution of Planetary Systems) Spitzer Legacy Survey of Sun-like Stars
• DUst Around NEarby Stars. The survey observational results
• The Insignificance of P-R Drag in Detectable Extrasolar Planetesimal Belts
• Polarimetry with the Gemini Planet Imager: Methods, Performance at First Light, and the Circumstellar Ring around HR 4796A
• Formation and Evolution of Planetary Systems (FEPS): Properties of Debris Dust around Solar-type Stars
• Maximizing the ExoEarth Candidate Yield from a Future Direct Imaging Mission
• Chromospheric activity as age indicator
• A new catalogue of Stroemgren-Crawford uvbybeta photometry
• Deriving precise parameters for cool solar-type stars. Optimizing the iron line list
• The solar neighbourhood age-metallicity relation - does it exist?
• Resolved Debris Discs Around A Stars in the Herschel DEBRIS Survey
• The Ages of Early-Type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets
• Li abundances in F stars: planets, rotation and galactic evolution
• Circumstellar material in the Vega inner system revealed by CHARA/FLUOR
• Age consistency between exoplanet hosts and field stars
• Near-infrared scattered light properties of the HR4796A dust ring: a measured scattering phase function from 13.6deg to 166.6deg
• VLT/NACO Deep imaging survey of young, nearby austral stars
• Li depletion in solar analogues with exoplanets: Extending the sample
• Do Two Temperature Debris Disks Have Multiple Belts?
• A catalog of bright calibrator stars for 200-meter baseline near-infrared stellar interferometry
• The HOSTS survey for exozodiacal dust: Observational results from the complete survey
• An icy Kuiper-Belt around the young solar-type star HD 181327
• Analysis of the Herschel DEBRIS Sun-like star sample
• A near-infrared interferometric survey of debris disc stars. III. First statistics based on 42 stars observed with CHARA/FLUOR
• Disk Radii and Grain Sizes in Herschel-Resolved Debris Disks
• The Solar Twin Planet Search III. The [Y/Mg] clock: estimating stellar ages of solar-type stars
• Azimuthal asymmetries in the debris disk around HD61005
• The dust grain size - stellar luminosity trend in debris discs
• The Gemini NICI Planet-Finding Campaign: The Frequency of Giant Planets Around Debris Disk Stars
• Scattering of small bodies by planets: a potential origin for exozodiacal dust ?
• The VLT/NaCo Large program to probe the occurrence of exoplanets and brown dwarfs in wide orbits: I- Sample definition and characterization
• The CORALIE survey for southern extra-solar planets XV. Discovery of two eccentric planets orbiting HD4113 and HD156846
• A near-infrared interferometric survey of debris-disc stars. IV. An unbiased sample of 92 southern stars observed in H-band with VLTI/PIONIER
• Metallicity of solar-type stars with debris discs and planets
• A Trend Between Cold Debris Disk Temperature and Stellar Type: Implications for the Formation and Evolution of Wide-Orbit Planets
• Revealing Asymmetries in the HD 181327 Debris Disk: A Recent Massive Collision or ISM Warping
• Hot exozodiacal dust resolved around Vega with IOTA/IONIC
• A Comprehensive Census of Nearby Infrared Excess Stars
• Planetesimal driven migration as an explanation for observations of high levels of warm, exozodiacal dust
• A near-infrared interferometric survey of debris disk stars. I. Probing the hot dust content around epsilon Eridani and tau Ceti with CHARA/FLUOR
• A Sensitive Identification of Warm Debris Disks in the Solar Neighborhood Through Precise Calibration of Saturated WISE Photometry
• The Decay of Debris Disks around Solar-Type Stars
• The Exozodiacal Dust Problem for Direct Observations of ExoEarths
• An interferometric study of the Fomalhaut inner debris disk. III. Detailed models of the exozodiacal disk and its origin
• Nulling interferometry: impact of exozodiacal clouds on the performance of future life-finding space missions
• The HOSTS survey - Exozodiacal dust measurements for 30 stars
• The Detectability of Exo-Earths and Super-Earths Via Resonant Signatures in Exozodiacal Clouds
• A near-infrared interferometric survey of debris-disc stars. V. PIONIER search for variability
• How to design a planetary system for different scattering outcomes: giant impact sweet spot, maximising exocomets, scattered disks
• Searching for faint companions with VLTI/PIONIER. I. Method and first results
• A near-infrared interferometric survey of debris disc stars. II. CHARA/FLUOR observations of six early-type dwarfs
• The scattering of small bodies in planetary systems: constraints on the possible orbits of cometary material
• Direct imaging of an ultracool substellar companion to the exoplanet host star HD 4113A
• The path towards high-contrast imaging with the VLTI: the Hi-5 project
• An interferometric study of the Fomalhaut inner debris disk. I. Near-infrared detection of hot dust with VLTI/VINCI
• Inner mean-motion resonances with eccentric planets: A possible origin for exozodiacal dust clouds
• A statistically significant lack of debris discs in medium separation binary systems
• An insight in the surroundings of HR4796
• Polarization measurements of hot dust stars and the local interstellar medium
• Radial Distribution of Dust Grains Around HR 4796A
• Near-infrared emission from sublimating dust in collisionally active debris disks
• Magnetic grain trapping and the hot excesses around early-type stars
• Warm exo-Zodi from cool exo-Kuiper belts: the significance of P-R drag and the inference of intervening planets
• Kuiper belt structure around nearby super-Earth host stars
• Bringing "The Moth" to Light: A Planet-Sculpting Scenario for the HD 61005 Debris Disk
• Multiband GPI Imaging of the HR 4796A Debris Disk
• AKARI/IRC 18 Micron Survey of Warm Debris Disks
• Evidence for at least three planet candidates orbiting HD20794
• High Contrast Imaging with Spitzer : Constraining the Frequency of Giant Planets out to 1000 AU separations
• Constraints on the structure of hot exozodiacal dust belts
• Searching for faint companions with VLTI/PIONIER. II. 92 main sequence stars from the Exozodi survey
• Bright 22 $\mu$m Excess Candidates from WISE All-Sky Catalog and Hipparcos Main Catalog
• Search for cool giant exoplanets around young and nearby stars - VLT/NaCo near-infrared phase-coronagraphic and differential imaging
• No significant correlation between radial velocity planet presence and debris disc properties
• Gas trapping of hot dust around main-sequence stars
• The Evolution of Dusty Debris Disks Around Solar Type Stars
• Hot exozodiacal dust: an exocometary origin?
• Using warm dust to constrain unseen planets
• Infrared Spectroscopy of HR 4796A's Bright Outer Cometary Ring + Tenuous Inner Hot Dust Cloud
• A near-infrared interferometric survey of debris-disk stars. VI. Extending the exozodiacal light survey with CHARA/JouFLU
• First L band detection of hot exozodiacal dust with VLTI/MATISSE
• PIONIER: a status report
• The Microwave Thermal Emission from the Zodiacal Dust Cloud Predicted with Contemporary Meteoroid Models

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• Large Interferometer For Exoplanets (LIFE). XIV. Finding terrestrial protoplanets in the galactic neighborhood
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• Planetary system architectures with low-mass inner planets: Direct imaging exploration of mature systems beyond 1 au
• Hot exozodiacal dust around Fomalhaut: The MATISSE perspective
• Impact of hot exozodiacal dust on the polarimetric analysis of close-in exoplanets
• V488 Per revisited: no strong mid-infrared emission features and no evidence for stellar/sub-stellar companions
• VLTI/MATISSE observations of the hot dust around $\beta$ Pictoris: Observing faint objects with MATISSE
• Interferometric Detection and Orbit Modeling of the Subcomponent in the Hot-dust System $\kappa$ Tuc A: A Low-mass Star on an Eccentric Orbit in a Hierarchical-quintuple System
• The Nearest, Brightest Debris Disk Host Stars: Updated Photosphere Models and Dust Properties for Stars with Saturated 2MASS Photometry
• Follow-up of three exocomet-host candidates