A deep search for planets in the inner 15 au around Vega
arXiv:1809.06941 · doi:10.3847/1538-3881/aae14f
Abstract
We present the results of a deep high-contrast imaging search for planets around Vega. Vega is an ideal target for high-contrast imaging because it is bright, nearby, and young with a face-on two-belt debris disk which may be shaped by unseen planets. We obtained and band data on Vega with the coronagraphic integral-field spectrograph Project 1640 (P1640) at Palomar Observatory. Two nights of data were obtained in 2016, in poor seeing conditions, and two additional nights in more favorable conditions in 2017. In total, we obtained 5.5 hours of integration time on Vega in moderate to good seeing conditions (<1.5"). We did not detect any low mass companions in this system. Our data present the most sensitive contrast limits around Vega at very small separations (2-15 au) thus far, allowing us to place new constraints on the companions which may be sculpting the Vega system. In addition to new constraints, as the deepest data obtained with P1640, these observations form the final legacy of the now decommissioned instrument.
arXiv commentAccepted for publication in AJ
References in corpus (41)
- Validation of the new Hipparcos reduction
- Direct Imaging of Multiple Planets Orbiting the Star HR 8799
- Evolutionary models for cool brown dwarfs and extrasolar giant planets. The case of HD 20945
- Evolutionary models for very-low-mass stars and brown dwarfs with dusty atmospheres
- Angular Differential Imaging: a Powerful High-Contrast Imaging Technique
- Images of a fourth planet orbiting HR 8799
- A giant planet imaged in the disk of the young star Beta Pictoris
- Detection and Characterization of Exoplanets and Disks using Projections on Karhunen-Loeve Eigenimages
- A probable giant planet imaged in the Beta Pictoris disk
- Discovery and spectroscopy of the young Jovian planet 51 Eri b with the Gemini Planet Imager
- PynPoint: An Image Processing Package for Finding Exoplanets
- Imaging Spectroscopy for Extrasolar Planet Detection
- Fomalhaut's Debris Disk and Planet: Constraining the Mass of Fomalhaut b From Disk Morphology
- Discovery of a probable 4-5 Jupiter-mass exoplanet to HD 95086 by direct-imaging
- Structure in the Dusty Debris around Vega
- PALM-3000: Exoplanet Adaptive Optics for the 5-meter Hale Telescope
- Asteroid Belts in Debris Disk Twins: VEGA and FOMALHAUT
- The Vega Debris Disk -- A Surprise from Spitzer
- Predictions for a planet just inside Fomalhaut's eccentric ring
- Debris disks as signposts of terrestrial planet formation
- A New High Contrast Imaging Program at Palomar Observatory
- Circumstellar material in the Vega inner system revealed by CHARA/FLUOR
- SONS: The JCMT legacy survey of debris discs in the submillimetre
- Temporal Evolution of Coronagraphic Dynamic Range, and Constraints on Companions to Vega
- Debris disks as signposts of terrestrial planet formation. II Dependence of exoplanet architectures on giant planet and disk properties
- Hot exozodiacal dust resolved around Vega with IOTA/IONIC
- Planetary chaotic zone clearing: destinations and timescales
- Imaging Young Planets From Ground and Space
- A Direct Imaging Survey of Spitzer detected debris disks: Occurrence of giant planets in dusty systems
- Millimeter-Wave Aperture Synthesis Imaging of Vega: Evidence for a Ring Arc at 95 AU
- The Vega Debris Disc: A view from Herschel
- Vega's hot dust from icy planetesimals scattered inward by an outward-migrating planetary system
- Deep Keck adaptive optics searches for extrasolar planets in the dust of Epsilon Eridani and Vega
- High-contrast Imaging with Spitzer: Deep Observations of Vega, Fomalhaut, and epsilon Eridani
- A Data Cube Extraction Pipeline for a Coronagraphic Integral Field Spectrograph
- Optimized Principal Component Analysis on Coronagraphic Images of the Fomalhaut System
- Deep L' and M-band Imaging for Planets Around Vega and epsilon Eridani
- Adaptive Optics Observations of Vega: Eight Detected Sources and Upper Limits to Planetary-Mass Companions
- Automated data processing architecture for the Gemini Planet Imager Exoplanet Survey
- S4: A Spatial-Spectral model for Speckle Suppression
- Electric Field Conjugation with the Project 1640 coronagraph
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- Planet Search with the Keck/NIRC2 Vortex Coronagraph in Ms-band for Vega
- Deep Search for a scattered light dust halo around Vega with the Hubble Space Telescope
- Searching for Planets around Altair with JWST/NIRcam