Search Results - "Matthews, Elisabeth"
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HD 28109 Hosts A Trio of Transiting Neptunian Planets Including A Near-Resonant Pair, Confirmed By ASTEP From Antarctica
Published in Monthly notices of the Royal Astronomical Society (22-07-2022)“…We report on the discovery and characterization of three planets orbiting the F8 star HD 28109, which sits comfortably in TESS ’s continuous viewing zone. The…”
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Discovery of an Edge-on Circumstellar Debris Disk around BD+45° 598: A Newly Identified Member of the β Pictoris Moving Group
Published in The Astrophysical journal (01-05-2021)“…Abstract We report the discovery of a circumstellar debris disk viewed nearly edge-on and associated with the young, K1 star BD+45° 598 using high-contrast…”
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The JWST Early Release Science Program for the Direct Imaging and Spectroscopy of Exoplanetary Systems
Published in Publications of the Astronomical Society of the Pacific (01-09-2022)“…Abstract The direct characterization of exoplanetary systems with high-contrast imaging is among the highest priorities for the broader exoplanet community. As…”
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GJ 1252 b: A 1.2 R⊕ Planet Transiting an M3 Dwarf at 20.4 pc
Published in The Astrophysical journal (10-02-2020)“…We report the discovery of GJ 1252 b, a planet with a radius of 1.193 ± 0.074 R⊕ and an orbital period of 0.52 days around an M3-type star (0.381 ± 0.019 M⊕,…”
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A super-massive Neptune-sized planet
Published in Nature (London) (12-10-2023)“…Neptune-sized planets exhibit a wide range of compositions and densities, depending on factors related to their formation and evolution history, such as the…”
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TOI-332 b: a super dense Neptune found deep within the Neptunian desert
Published in Monthly notices of the Royal Astronomical Society (21-09-2023)“…ABSTRACT To date, thousands of planets have been discovered, but there are regions of the orbital parameter space that are still bare. An example is the short…”
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Author Correction: A super-massive Neptune-sized planet
Published in Nature (London) (09-11-2023)Get full text
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The JWST Early-release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 μm Spectrum of the Planetary-mass Companion VHS 1256–1257 b
Published in Astrophysical journal. Letters (01-03-2023)“…We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is a <20 MJup widely separated (∼8'', a = 150 au), young,…”
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TOI-1136 is a Young, Coplanar, Aligned Planetary System in a Pristine Resonant Chain
Published in The Astronomical journal (01-02-2023)“…Abstract Convergent disk migration has long been suspected to be responsible for forming planetary systems with a chain of mean-motion resonances (MMRs)…”
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The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm
Published in Astrophysical journal. Letters (01-07-2023)“…Abstract We present JWST Early Release Science coronagraphic observations of the super-Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam)…”
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A Transiting, Temperate Mini-Neptune Orbiting the M Dwarf TOI-1759 Unveiled by TESS
Published in The Astronomical journal (01-03-2022)“…Abstract We report the discovery and characterization of TOI-1759 b, a temperate (400 K) sub-Neptune-sized exoplanet orbiting the M dwarf TOI-1759 (TIC…”
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Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2–18
Published in The Astronomical journal (01-06-2022)“…Abstract The NASA K2 mission, salvaged from the hardware failures of the Kepler telescope, has continued Kepler’s planet-hunting success. It has revealed…”
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TESS Spots a Super-puff: The Remarkably Low Density of TOI-1420b
Published in The Astronomical journal (01-11-2023)“…Abstract We present the discovery of TOI-1420b, an exceptionally low-density ( ρ = 0.08 ± 0.02 g cm −3 ) transiting planet in a P = 6.96 days orbit around a…”
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The Discovery and Follow-up of Four Transiting Short-period Sub-Neptunes Orbiting M Dwarfs
Published in The Astronomical journal (01-06-2024)“…Abstract Sub-Neptunes with radii of 2–3 R ⊕ are intermediate in size between rocky planets and Neptune-sized planets. The orbital properties and bulk…”
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VaTEST. II. Statistical Validation of 11 TESS-detected Exoplanets Orbiting K-type Stars
Published in The Astronomical journal (01-07-2023)“…Abstract NASA’s Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission designed to find transiting exoplanets orbiting nearby bright stars…”
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The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. V. Do Self-consistent Atmospheric Models Represent JWST Spectra? A Showcase with VHS 1256–1257 b
Published in Astrophysical journal. Letters (01-05-2024)“…Abstract The unprecedented medium-resolution ( R λ ∼ 1500–3500) near- and mid-infrared (1–18 μ m) spectrum provided by JWST for the young (140 ± 20 Myr)…”
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The TESS-Keck Survey. XX. 15 New TESS Planets and a Uniform RV Analysis of All Survey Targets
Published in The Astrophysical journal. Supplement series (01-06-2024)“…Abstract The Transiting Exoplanet Survey Satellite (TESS) has discovered hundreds of new worlds, with TESS planet candidates now outnumbering the total number…”
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The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems. IV. NIRISS Aperture Masking Interferometry Performance and Lessons Learned
Published in Astrophysical journal. Letters (01-03-2024)“…Abstract We present a performance analysis for the aperture masking interferometry (AMI) mode on board the James Webb Space Telescope Near Infrared Imager and…”
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The unseen planets of double belt debris disc systems
Published in Monthly notices of the Royal Astronomical Society. Letters (11-10-2016)“…The gap between two component debris discs is often taken to be carved by intervening planets scattering away the remnant planetesimals. We employ N-body…”
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