Search Results - "Clark, Catherine A."
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The Origin of Weakened Magnetic Braking in Old Solar Analogs
Published in Astrophysical journal. Letters (01-07-2022)“…Abstract The rotation rates of main-sequence stars slow over time as they gradually lose angular momentum to their magnetized stellar winds. The rate of…”
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Visual Orbits and Alignments of Planet-hosting Binary Systems
Published in The Astronomical journal (01-10-2023)“…Abstract Roughly half of Solar-type planet hosts have stellar companions, so understanding how these binary companions affect the formation and evolution of…”
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Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets” (2024, AJ, 167, 56)
Published in The Astronomical journal (01-11-2024)Get full text
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Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc” (2024, AJ, 167, 174)
Published in The Astronomical journal (01-11-2024)Get full text
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The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets
Published in The Astronomical journal (01-02-2024)“…Abstract Stellar multiplicity is correlated with many stellar properties, yet multiplicity measurements have proven difficult for the M dwarfs—the most common…”
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The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc
Published in The Astronomical journal (01-04-2024)“…Abstract M dwarfs are ubiquitous in our Galaxy, and the rate at which they host stellar companions, and the properties of these companions, provide a window…”
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The POKEMON Speckle Survey of Nearby M Dwarfs. I. New Discoveries
Published in The Astronomical journal (01-08-2022)“…Abstract M dwarfs are favorable targets for exoplanet detection with current instrumentation, but stellar companions can induce false positives and inhibit…”
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A Dearth of Close-in Stellar Companions to M-dwarf TESS Objects of Interest
Published in The Astronomical journal (01-05-2022)“…Abstract TESS has proven to be a powerful resource for finding planets, including those that orbit the most prevalent stars in our galaxy: M dwarfs…”
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Direct Measurements of Giant Star Effective Temperatures and Linear Radii: Calibration against Spectral Types and V − K Color
Published in The Astrophysical journal (01-12-2021)“…Abstract We calculate directly determined values for effective temperature ( T eff ) and radius ( R ) for 191 giant stars based upon high-resolution angular…”
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EXPRES. III. Revealing the Stellar Activity Radial Velocity Signature of ϵ Eridani with Photometry and Interferometry
Published in The Astronomical journal (01-01-2022)“…Abstract The distortions of absorption line profiles caused by photospheric brightness variations on the surfaces of cool, main-sequence stars can mimic or…”
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Three low-mass companions around aged stars discovered by TESS
Published in Monthly notices of the Royal Astronomical Society (22-06-2023)“…ABSTRACT We report the discovery of three transiting low-mass companions to aged stars: a brown dwarf (TOI-2336b) and two objects near the hydrogen burning…”
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HD 21520 b: a warm sub-Neptune transiting a bright G dwarf
Published in Monthly notices of the Royal Astronomical Society (01-11-2024)“…ABSTRACT We report the discovery and validation of HD 21520 b, a transiting planet found with Transiting Exoplanet Survey Satellite and orbiting a bright G…”
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NGTS-28Ab: a short period transiting brown dwarf
Published in Monthly notices of the Royal Astronomical Society (05-04-2024)“…ABSTRACT We report the discovery of a brown dwarf orbiting a M1 host star. We first identified the brown dwarf within the Next Generation Transit Survey data,…”
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Migration and Evolution of giant ExoPlanets (MEEP). I. Nine Newly Confirmed Hot Jupiters from the TESS Mission
Published in The Astronomical journal (01-07-2024)“…Abstract Hot Jupiters were many of the first exoplanets discovered in the 1990s, but in the decades since their discovery the mysteries surrounding their…”
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Searching for GEMS: Characterizing Six Giant Planets Around Cool Dwarfs
Published in The Astronomical journal (01-12-2024)“…Abstract Transiting giant exoplanets around M-dwarf stars (GEMS) are rare, owing to the low-mass host stars. However, the all-sky coverage of TESS has enabled…”
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Asteroseismology and Spectropolarimetry of the Exoplanet Host Star λ Serpentis
Published in The Astronomical journal (01-10-2023)“…Abstract The bright star λ Ser hosts a hot Neptune with a minimum mass of 13.6 M ⊕ and a 15.5 day orbit. It also appears to be a solar analog, with a mean…”
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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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Planet Hunters TESS. V. A Planetary System Around a Binary Star, Including a Mini-Neptune in the Habitable Zone
Published in The Astronomical journal (01-05-2024)“…Abstract We report on the discovery and validation of a transiting long-period mini-Neptune orbiting a bright ( V = 9.0 mag) G dwarf (TOI 4633; R = 1.05 R ⊙ ,…”
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Cyanylated Cysteine: A Covalently Attached Vibrational Probe of Protein−Lipid Contacts
Published in The journal of physical chemistry letters (04-03-2010)“…Cyanylated cysteine, or β-thiocyanatoalanine, is an artificial amino acid that can be introduced into peptides and proteins by post-translational chemical…”
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Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3
Published in Nature astronomy (2024)“…Located at the bottom of the main sequence, ultracool dwarf stars are widespread in the solar neighbourhood. Nevertheless, their extremely low luminosity has…”
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