Search Results - "Jehin, Emmanuel"
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1
Detection of CN Gas in Interstellar Object 2I/Borisov
Published 01-11-2019“…The detection of interstellar objects passing through the solar system offers the promise of constraining the physical and chemical processes involved in…”
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Cometary Isotopic Measurements
Published in Space science reviews (01-12-2015)“…Isotopic ratios in comets provide keys for the understanding of the origin of cometary material, and the physical and chemical conditions in the early Solar…”
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Stellar Parameters for Trappist-1
Published in The Astrophysical journal (20-01-2018)“…TRAPPIST-1 is an ultracool dwarf star transited by seven Earth-sized planets, for which thorough characterization of atmospheric properties, surface conditions…”
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SPECULOOS Northern Observatory: Searching for Red Worlds in the Northern Skies
Published in Publications of the Astronomical Society of the Pacific (01-10-2022)“…Abstract SPECULOOS is a ground-based transit survey consisting of six identical 1 m robotic telescopes. The immediate goal of the project is to detect…”
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WASP-128b: a transiting brown dwarf in the dynamical-tide regime
Published 01-12-2018“…Massive companions in close orbits around G dwarfs are thought to undergo rapid orbital decay due to runaway tidal dissipation. We report here the discovery of…”
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prose: a python framework for modular astronomical images processing
Published in Monthly notices of the Royal Astronomical Society (09-12-2021)“…ABSTRACT To reduce and analyse astronomical images, astronomers can rely on a wide range of libraries providing low-level implementations of legacy algorithms…”
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Peculiar architectures for the WASP-53 and WASP-81 planet-hosting systems
Published in Monthly notices of the Royal Astronomical Society (01-05-2017)“…Abstract We report the detection of two new systems containing transiting planets. Both were identified by WASP as worthy transiting planet candidates. Radial…”
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SPITZER TRANSITS OF THE SUPER-EARTH GJ1214b AND IMPLICATIONS FOR ITS ATMOSPHERE
Published in The Astrophysical journal (10-03-2013)“…We observed the transiting super-Earth exoplanet GJ1214b using warm Spitzer at 4.5 mu m wavelength during a 20 day quasi-continuous sequence in 2011 May. The…”
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THE BANANA PROJECT. V. MISALIGNED AND PRECESSING STELLAR ROTATION AXES IN CV VELORUM
Published in The Astrophysical journal (20-04-2014)“…As part of the Binaries Are Not Always Neatly Aligned project (BANANA), we have found that the eclipsing binary CV Velorum has misaligned rotation axes. Based…”
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Discovery of a pre-cataclysmic binary with unusual chromaticity of the eclipsed white dwarf by the GPX survey
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT We report the discovery of a relatively bright eclipsing binary system, which consists of a white dwarf (WD) and a main-sequence K7 star with clear…”
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Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems
Published in The Astronomical journal (01-12-2023)“…Abstract The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that…”
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An eclipsing substellar binary in a young triple system discovered by SPECULOOS
Published in Nature astronomy (01-07-2020)“…Mass, radius and age are three of the most fundamental parameters for celestial objects, enabling insight into the evolution and internal physics of stars,…”
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The Main Belt Comets and ice in the Solar System
Published in The Astronomy and astrophysics review (01-11-2017)“…We review the evidence for buried ice in the asteroid belt; specifically the questions around the so-called Main Belt Comets (MBCs). We summarise the evidence…”
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The Return of the Rosetta Target: Keck Near-infrared Observations of Comet 67P/Churyumov–Gerasimenko in 2021
Published in The Astronomical journal (01-12-2023)“…Abstract High-resolution near-infrared ground-based spectroscopic observations of comet 67P/Churyumov–Gerasimenko near its maximum activity in 2021 were…”
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New Evidence for a Physical Link between Asteroids (155140) 2005 UD and (3200) Phaethon
Published in The planetary science journal (01-06-2020)“…Abstract In 2018, the near-Earth object (155140) 2005 UD (hereafter UD) experienced a close fly by of the Earth. We present results from an observational…”
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The perihelion activity of comet 67P/Churyumov–Gerasimenko as seen by robotic telescopes
Published in Monthly notices of the Royal Astronomical Society (2016)“…Around the time of its perihelion passage the observability of 67P/Churyumov-Gerasimenko from Earth was limited to very short windows each morning from any…”
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The violent collisional history of aqueously evolved (2) Pallas
Published in Nature astronomy (01-06-2020)“…Asteroid (2) Pallas is the largest main-belt object not yet visited by a spacecraft, making its surface geology largely unknown and limiting our understanding…”
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The Discovery and Evolution of a Possible New Epoch of Cometary Activity by the Centaur (2060) Chiron
Published in The planetary science journal (01-07-2024)“…Abstract Centaurs are small solar system objects on chaotic orbits in the giant planet region, forming an evolutionary continuum with the Kuiper Belt objects…”
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Implications for the Formation of (155140) 2005 UD from a New Convex Shape Model
Published in The planetary science journal (01-03-2023)“…Abstract (155140) 2005 UD has a similar orbit to (3200) Phaethon, an active asteroid in a highly eccentric orbit thought to be the source of the Geminid meteor…”
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Molecular Outgassing in Centaur 29P/Schwassmann–Wachmann 1 during Its Exceptional 2021 Outburst: Coordinated Multiwavelength Observations Using nFLASH at APEX and iSHELL at the NASA-IRTF
Published in The planetary science journal (01-09-2023)“…Abstract The extraordinary 2021 September–October outburst of Centaur 29P/Schwassmann–Wachmann 1 afforded an opportunity to test the composition of primitive…”
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