Search Results - "Fornasier, S"
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Ion irradiation of carbonaceous chondrites: A new view of space weathering on primitive asteroids
Published in Icarus (New York, N.Y. 1962) (15-03-2017)“…•New ion irradiations on several carbonaceous chondrites to simulate space weathering.•Evidence for a dependence to initial composition.•Modifications revealed…”
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A spectroscopic survey of the small near-Earth asteroid population: Peculiar taxonomic distribution and phase reddening
Published in Planetary and space science (01-08-2018)“…We present the results of the first-ever visible spectroscopic survey fully dedicated to the small (absolute magnitude H ≥ 20) near-Earth asteroid (NEA)…”
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Phobos and Deimos surface composition: search for spectroscopic analogues
Published in Monthly notices of the Royal Astronomical Society (25-08-2022)“…ABSTRACT Phobos and Deimos, the two satellites of Mars, were largely studied in the past using ground-based telescope and spacecraft data, although most of the…”
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The organic-rich surface of comet 67P/Churyumov-Gerasimenko as seen by VIRTIS/Rosetta
Published in Science (American Association for the Advancement of Science) (23-01-2015)“…The VIRTIS (Visible, Infrared and Thermal Imaging Spectrometer) instrument on board the Rosetta spacecraft has provided evidence of carbon-bearing compounds on…”
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Development of a new Phobos spectral simulant: spectral properties from visible to the mid-infrared range
Published in Monthly notices of the Royal Astronomical Society (24-07-2023)“…ABSTRACT Phobos is the target of the Martian Moons eXploration (MMX), the next sample return mission of the Japanese space agency (JAXA). The mission will…”
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Aqueous alteration on main belt primitive asteroids: Results from visible spectroscopy
Published in Icarus (New York, N.Y. 1962) (01-05-2014)“…•This work focuses on the study of the aqueous alteration process which acted in the main belt.•We present new visible spectra of 80 main belt primitive…”
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Search for carbon-bearing compounds on low-albedo asteroids
Published in Monthly notices of the Royal Astronomical Society (01-07-2022)“…ABSTRACT In this work, we aim to investigate the presence of absorption bands around 3.4 μm in the infrared spectra of primitive asteroids. We collected the…”
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Rosetta's comet 67P/Churyumov-Gerasimenko sheds its dusty mantle to reveal its icy nature
Published in Science (American Association for the Advancement of Science) (23-12-2016)“…The Rosetta spacecraft has investigated comet 67P/Churyumov-Gerasimenko from large heliocentric distances to its perihelion passage and beyond. We trace the…”
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New insights on ices in Centaur and Transneptunian populations
Published in Icarus (New York, N.Y. 1962) (01-07-2011)“…► We present new near-IR spectroscopy data on 12 TNOs and 8 Centaurs obtained at ESO-VLT and an overview of available near-IR data for 75 objects. All objects…”
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Refining the asteroid taxonomy by polarimetric observations
Published in Icarus (New York, N.Y. 1962) (01-03-2017)“…•New polarimetric observations of 15 main belt asteroids are presented.•The mean polarimetric parameters of the main asteroid composition classes are…”
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Small D-type asteroids in the NEO population: new targets for space missions
Published in Monthly notices of the Royal Astronomical Society (01-06-2018)“…In the framework of the Near Earth Objects (NEOs) observational campaign carried out within the NEOShield-2 project, we identify nine new small D-type…”
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Refractory and semi-volatile organics at the surface of comet 67P/Churyumov-Gerasimenko: Insights from the VIRTIS/Rosetta imaging spectrometer
Published in Icarus (New York, N.Y. 1962) (01-07-2016)“…•The surface of comet 67P/CG has been imaged by the VIRTIS instrument aboard ROSETTA.•Refractory polyaromatic organics mixed with opaque minerals account for…”
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SIMBIO-SYS: Scientific Cameras and Spectrometer for the BepiColombo Mission
Published in Space science reviews (01-08-2020)“…The SIMBIO-SYS (Spectrometer and Imaging for MPO BepiColombo Integrated Observatory SYStem) is a complex instrument suite part of the scientific payload of the…”
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Exposed water ice on the nucleus of comet 67P/Churyumov–Gerasimenko
Published in Nature (London) (21-01-2016)“…Using infrared wavelengths, micrometre-sized water-ice grains have been identified on the nucleus (which is mostly coated in a dark material) of comet…”
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Olivine-rich asteroids in the near-Earth space
Published in Monthly notices of the Royal Astronomical Society (21-06-2018)“…In the framework of a 30-night spectroscopic survey of small near-Earth asteroids (NEAs), we present new results regarding the identification of olivine-rich…”
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Seasonal exposure of carbon dioxide ice on the nucleus of comet 67P/Churyumov-Gerasimenko
Published in Science (American Association for the Advancement of Science) (23-12-2016)“…Carbon dioxide (CO₂) is one of the most abundant species in cometary nuclei, but because of its high volatility, CO₂ ice is generally only found beneath the…”
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Evidence of sub-surface energy storage in comet 67P from the outburst of 2016 July 03
Published in Monthly notices of the Royal Astronomical Society (21-07-2017)“…Abstract On 2016 July 03, several instruments onboard ESA's Rosetta spacecraft detected signs of an outburst event on comet 67P, at a heliocentric distance of…”
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The potentially hazardous Asteroid (214869) 2007 PA8: An unweathered L chondrite analog surface
Published in Icarus (New York, N.Y. 1962) (01-04-2015)“…•We present the results from polarimetry and spectroscopy of the PHA 214869 (2007 PA8).•The spectra reveal that 2007 PA8 is a Q-type.•Spectral parameters and…”
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Spectral variability on primitive asteroids of the Themis and Beagle families: Space weathering effects or parent body heterogeneity?
Published in Icarus (New York, N.Y. 1962) (01-05-2016)“…•We present new VIS-NIR spectra of 30 members of the primitive Themis/Beagle families.•Themis members show spectral variability, including blue and moderately…”
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Spectrophotometric characterization of the Philae landing site and surroundings with the Rosetta/OSIRIS cameras
Published in Monthly notices of the Royal Astronomical Society (11-10-2020)“…ABSTRACT We investigate Abydos, the final landing site of the Philae lander after its eventful landing from the Rosetta spacecraft on comet…”
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