Search Results - "Barrado, D."
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The Gaia ultracool dwarf sample – II. Structure at the end of the main sequence
Published in Monthly notices of the Royal Astronomical Society (21-05-2019)“…ABSTRACT We identify and investigate known late M, L, and T dwarfs in the Gaia second data release. This sample is being used as a training set in the Gaia…”
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Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM
Published in Nature (London) (23-02-2023)“…Transmission spectroscopy 1 – 3 of exoplanets has revealed signatures of water vapour, aerosols and alkali metals in a few dozen exoplanet atmospheres 4 , 5 …”
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Mass Determinations of the Three Mini-Neptunes Transiting TOI-125
Published in Monthly notices of the Royal Astronomical Society (2020)“…The Transiting Exoplanet Survey Satellite, TESS, is currently carrying out an all-sky search for small planets transiting bright stars. In the first year of…”
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A giant exoplanet orbiting a very-low-mass star challenges planet formation models
Published in Science (American Association for the Advancement of Science) (27-09-2019)“…Surveys have shown that super-Earth and Neptune-mass exoplanets are more frequent than gas giants around low-mass stars, as predicted by the core accretion…”
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The CHEOPS mission
Published in Experimental astronomy (2021)“…The CHaracterising ExOPlanet Satellite (CHEOPS) was selected on October 19, 2012, as the first small mission (S-mission) in the ESA Science Programme and…”
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Analysis of Early Science observations with the CHaracterising ExOPlanets Satellite (CHEOPS) using pycheops
Published in Monthly notices of the Royal Astronomical Society (2022)“…ABSTRACT CHEOPS (CHaracterising ExOPlanet Satellite) is an ESA S-class mission that observes bright stars at high cadence from low-Earth orbit. The main aim of…”
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Searching for correlations in Gaia DR2 unbound star trajectories
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…ABSTRACT Scattering events with compact objects are expected in the primordial black hole (PBH) cold dark matter (CDM) scenario, due to close encounters…”
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The young HD 73583 (TOI-560) planetary system: two 10-M⊕ mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf
Published in Monthly notices of the Royal Astronomical Society (11-06-2022)“…ABSTRACT We present the discovery and characterization of two transiting planets observed by TESS in the light curves of the young and bright (V = 9.67) star…”
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GASPS-A Herschel Survey of Gas and Dust in Protoplanetary Disks: Summary and Initial Statistics
Published in Publications of the Astronomical Society of the Pacific (01-05-2013)“…ABSTRACT We describe a large-scale far-infrared line and continuum survey of protoplanetary disk through to young debris disk systems carried out using the ACS…”
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Water in the terrestrial planet-forming zone of the PDS 70 disk
Published in Nature (London) (17-08-2023)“…Terrestrial and sub-Neptune planets are expected to form in the inner (less than 10 au ) regions of protoplanetary disks 1 . Water plays a key role in their…”
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Non-destructive Near Infrared Spectroscopy for the labelling of frozen Iberian pork loins
Published in Meat science (01-05-2021)“…Iberian pigs fed on acorns and pasture were slaughtered from January until March of 2018 and 2019. The meat from those Iberian pigs is a seasonal food that…”
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The Gaia-ESO Survey: lithium depletion in the Gamma Velorum cluster and inflated radii in low-mass pre-main-sequence stars
Published in Monthly notices of the Royal Astronomical Society (11-01-2017)“…We show that non-magnetic models for the evolution of pre-main-sequence (PMS) stars cannot simultaneously describe the colour-magnitude diagram (CMD) and the…”
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The EBLM project – VIII. First results for M-dwarf mass, radius, and effective temperature measurements using CHEOPS light curves
Published in Monthly notices of the Royal Astronomical Society (01-09-2021)“…ABSTRACT The accuracy of theoretical mass, radius, and effective temperature values for M-dwarf stars is an active topic of debate. Differences between…”
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47 new T dwarfs from the UKIDSS Large Area Survey
Published in Monthly notices of the Royal Astronomical Society (11-08-2010)“…We report the discovery of 47 new T dwarfs in the Fourth Data Release (DR4) from the Large Area Survey (LAS) of the United Kingdom Infrared Telescope (UKIRT)…”
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Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets
Published in Monthly notices of the Royal Astronomical Society (2021)“…ABSTRACT We present 17 transit light curves of seven known warm-Jupiters observed with the CHaracterising ExOPlanet Satellite (CHEOPS). The light curves have…”
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Ysovar: The First Sensitive, Wide-area, Mid-infrared Photometric Monitoring of the Orion Nebula Cluster
Published in The Astrophysical journal (20-05-2011)“…We present initial results from time-series imaging at infrared wavelengths of 0.9 deg2 in the Orion Nebula Cluster (ONC). During Fall 2009 we obtained 81…”
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The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves
Published in Monthly notices of the Royal Astronomical Society (2023)“…ABSTRACT Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries…”
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A rich hydrocarbon chemistry and high C to O ratio in the inner disk around a very low-mass star
Published in Nature astronomy (01-07-2023)“…Carbon is an essential element for life but how much can be delivered to young planets is still an open question. The chemical characterization of…”
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Abundant hydrocarbons in the disk around a very-low-mass star
Published in Science (American Association for the Advancement of Science) (07-06-2024)“…Very-low-mass stars (those less than 0.3 solar masses) host orbiting terrestrial planets more frequently than other types of stars. The compositions of those…”
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Discovery of Young, Isolated Planetary Mass Objects in the σ Orionis Star Cluster
Published in Science (American Association for the Advancement of Science) (06-10-2000)“…We present the discovery by optical and near-infrared imaging of an extremely red, low-luminosity population of isolated objects in the young, nearby stellar…”
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