Search Results - "COLLIER CAMERON, A"
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A hot Jupiter orbiting a 2-million-year-old solar-mass T Tauri star
Published in Nature (London) (30-06-2016)“…The radial velocities of a young star are measured, revealing the presence of a planet of mass about three-quarters that of Jupiter, orbiting its host star…”
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2
Planets and stellar activity: hide and seek in the CoRoT-7 system
Published in Monthly notices of the Royal Astronomical Society (21-09-2014)“…Since the discovery of the transiting super-Earth CoRoT-7b, several investigations have yielded different results for the number and masses of planets present…”
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3
Separating planetary reflex Doppler shifts from stellar variability in the wavelength domain
Published in Monthly notices of the Royal Astronomical Society (01-08-2021)“…ABSTRACT Stellar magnetic activity produces time-varying distortions in the photospheric line profiles of solar-type stars. These lead to systematic errors in…”
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4
The Sun as a planet-host star: proxies from SDO images for HARPS radial-velocity variations
Published in Monthly notices of the Royal Astronomical Society (01-04-2016)“…The Sun is the only star whose surface can be directly resolved at high resolution, and therefore constitutes an excellent test case to explore the physical…”
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Slingshot prominences: coronal structure, mass loss and spin down
Published in Monthly notices of the Royal Astronomical Society (01-01-2020)“…Abstract The structure of a star’s coronal magnetic field is a fundamental property that governs the high-energy emission from the hot coronal gas and the loss…”
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An unusually low density ultra-short period super-Earth and three mini-Neptunes around the old star TOI-561
Published in Monthly notices of the Royal Astronomical Society (01-03-2021)“…ABSTRACT Based on HARPS-N radial velocities (RVs) and TESS photometry, we present a full characterization of the planetary system orbiting the late G dwarf…”
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WASP-South transiting exoplanets: WASP-130b, WASP-131b, WASP-132b, WASP-139b, WASP-140b, WASP-141b and WASP-142b
Published in Monthly notices of the Royal Astronomical Society (01-03-2017)“…We describe seven exoplanets transiting stars of brightness V = 10.1-12.4. WASP-130b is a 'warm Jupiter' having an orbital period of 11.6 d around a metal-rich…”
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A hot mini-Neptune and a temperate, highly eccentric sub-Saturn around the bright K-dwarf TOI-2134
Published in Monthly notices of the Royal Astronomical Society (01-01-2024)“…ABSTRACT We present the characterization of an inner mini-Neptune in a 9.2292005 ± 0.0000063 d orbit and an outer mono-transiting sub-Saturn planet in a…”
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Machine-learning approaches to exoplanet transit detection and candidate validation in wide-field ground-based surveys
Published in Monthly notices of the Royal Astronomical Society (11-03-2019)“…Since the start of the Wide-angle Search for Planets (WASP) program, more than 160 transiting exoplanets have been discovered in the WASP data. In the past,…”
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10
Three years of Sun-as-a-star radial-velocity observations on the approach to solar minimum
Published in Monthly notices of the Royal Astronomical Society (21-07-2019)“…Abstract The time-variable velocity fields of solar-type stars limit the precision of radial-velocity determinations of their planets’ masses, obstructing…”
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Magnetic field, activity, and companions of V410 Tau
Published in Monthly notices of the Royal Astronomical Society (11-11-2019)“…ABSTRACT We report the analysis, conducted as part of the MaTYSSE programme, of a spectropolarimetric monitoring of the ∼0.8 Myr, ∼1.4 M⊙ disc-less weak-line T…”
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Three newly discovered sub-Jupiter-mass planets: WASP-69b and WASP-84b transit active K dwarfs and WASP-70Ab transits the evolved primary of a G4+K3 binary
Published in Monthly notices of the Royal Astronomical Society (01-12-2014)“…We report the discovery of the transiting exoplanets WASP-69b, WASP-70Ab and WASP-84b, each of which orbits a bright star (V ~ 10). WASP-69b is a bloated…”
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WASP-121 b: a hot Jupiter close to tidal disruption transiting an active F star
Published in Monthly notices of the Royal Astronomical Society (01-06-2016)“…We present the discovery by the WASP-South survey of WASP-121 b, a new remarkable short-period transiting hot Jupiter. The planet has a mass of…”
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14
Can scallop-shell stars trap dust in their magnetic fields?
Published in Monthly notices of the Royal Astronomical Society (01-01-2023)“…ABSTRACT One of the puzzles to have emerged from the Kepler and TESS missions is the existence of unexplained dips in the light curves of a small fraction of…”
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Accurate spectroscopic parameters of WASP planet host stars
Published in Monthly notices of the Royal Astronomical Society (01-02-2013)“…We have made a detailed spectral analysis of 11 Wide Angle Search for Planets (WASP) planet host stars using high signal-to-noise ratio (S/N) HARPS spectra…”
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Rossiter–McLaughlin models and their effect on estimates of stellar rotation, illustrated using six WASP systems
Published in Monthly notices of the Royal Astronomical Society (01-01-2017)“…We present new measurements of the projected spin-orbit angle λ for six WASP hot Jupiters, four of which are new to the literature (WASP-61, -62, -76, and…”
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Seven transiting hot Jupiters from WASP-South, Euler and TRAPPIST: WASP-47b, WASP-55b, WASP-61b, WASP-62b, WASP-63b, WASP-66b and WASP-67b
Published in Monthly notices of the Royal Astronomical Society (11-10-2012)“…Abstract We present seven new transiting hot Jupiters from the WASP-South survey. The planets are all typical hot Jupiters orbiting stars from F4 to K0 with…”
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WASP-186 and WASP-187: two hot Jupiters discovered by SuperWASP and SOPHIE with additional observations by TESS
Published in Monthly notices of the Royal Astronomical Society (01-11-2020)“…ABSTRACT We present the discovery of two new hot Jupiters identified from the Wide-Angle Search for Planets (WASP) survey, WASP-186b and WASP-187b (TOI-1494.01…”
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Stability and Detectability of Exomoons Orbiting HIP 41378 f, a Temperate Jovian Planet with an Anomalously Low Apparent Density
Published in The Astronomical journal (01-11-2023)“…Abstract Moons orbiting exoplanets (“exomoons”) may hold clues about planet formation, migration, and habitability. In this work, we investigate the…”
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Line-profile tomography of exoplanet transits – II. A gas-giant planet transiting a rapidly rotating A5 star
Published in Monthly notices of the Royal Astronomical Society (01-09-2010)“…Most of our knowledge of extrasolar planets rests on precise radial-velocity measurements, either for direct detection or for confirmation of the planetary…”
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