activity
20092024
most citedAmmonium salts are a reservoir of nitrogen on a cometary nucleus and possibly on some asteroids

180 citations · 1.1k across the 29 of their papers we have counts for

collaborators

30 papers

astro-ph.IM2024★ 14 cited

Calibration of MAJIS (Moons And Jupiter Imaging Spectrometer): III. Spectral Calibration

Paolo Haffoud, François Poulet, Mathieu Vincendon +13

The Moons And Jupiter Imaging Spectrometer (MAJIS) is the visible and near-infrared imaging spectrometer onboard ESA s Jupiter Icy Moons Explorer (JUICE) mission. Before its integr…

astro-ph.EP2024

Constraining Time Variations in Enceladus' Water-Vapor Plume With Near-Infrared Spectra from Cassini-VIMS

Katie Denny, Matthew Hedman, Dominique Bockelée-Morvan +2

Water vapor produces a series of diagnostic emission lines in the near infrared between 2.60 and 2.75 microns. The Visual and Infrared Mapping Spectrometer (VIMS) onboard the Cassi…

astro-ph.EP2023

The composition of Saturn's rings

Kelly E. Miller, Gianrico Filacchione, Jeffrey Cuzzi +12

The origin and evolution of Saturn's rings is critical to understanding the Saturnian system as a whole. Here, we discuss the physical and chemical composition of the rings, as a f…

astro-ph.EP2023★ 1 cited

Identification of Ammonium Salts on Comet 67P/C-G Surface from Infrared VIRTIS/Rosetta Data Based on Laboratory Experiments. Implications and Perspectives

Olivier Poch, Istiqomah Istiqomah, Eric Quirico +29

The nucleus of comet 67P/Churyumov-Gerasimenko exhibits a broad spectral reflectance feature around 3.2 m, which is omnipresent in all spectra of the surface, and whose attribut…

astro-ph.HE2022

Jet Gravitational Waves

Tsvi Piran

The acceleration of a jet to relativistic velocities produces a unique memory type gravitational waves (GW) signal: {\it Jet-GW}. I discuss here resent result concerning properties…

astro-ph.EP2022★ 9 cited

Water Ortho-to-Para ratio in the coma of comet 67P/Churyumov-Gerasimenko

Y. -C. Cheng, D. Bockelée-Morvan, M. Roos-Serote +9

Abundance ratios of the nuclear-spin isomers of HO and NH have been measured in about two dozen comets, with a mean value corresponding to a nuclear-spin temperature of $\s…

astro-ph.EP2021

Saturn's icy satellites investigated by Cassini -- VIMS. V. Spectrophotometry

G. Filacchione, M. Ciarniello, E. D'Aversa +6

Albedo, spectral slopes, and water ice band depths maps for the five midsized saturnian satellites Mimas, Enceladus, Tethys, Dione, and Rhea have been derived from Cassini-Visual a…

astro-ph.EP2021

The science case for spacecraft exploration of the Uranian satellites: Candidate ocean worlds in an ice giant system

Richard J. Cartwright, Chloe B. Beddingfield, Tom A. Nordheim +15

The 27 satellites of Uranus are enigmatic, with dark surfaces coated by material that could be rich in organics. Voyager 2 imaged the southern hemispheres of Uranus' five largest '…

astro-ph.EP2020★ 13 cited

Bayesian analysis of Juno/JIRAM's NIR observations of Europa

Ishan Mishra, Nikole Lewis, Jonathan Lunine +4

Juno spacecraft's spectrometer JIRAM recently observed the moon Europa in the 2-5 μm wavelength region. Here we present analysis of the average spectrum of a set of observations ne…

astro-ph.EP2020★ 64 cited

Infrared detection of aliphatic organics on a cometary nucleus

A. Raponi, M. Ciarniello, F. Capaccioni +28

The ESA Rosetta mission has acquired unprecedented measurements of comet 67/P-Churyumov-Gerasimenko (hereafter 67P) nucleus surface, whose composition, as determined by in situ and…

astro-ph.IM2020

The Science Case for Spacecraft Exploration of the Uranian Satellites

Richard J. Cartwright, Chloe B. Beddingfield, Tom Nordheim +14

The five classical Uranian moons are possible ocean worlds that exhibit bizarre geologic landforms, hinting at recent surface-interior communication. However, Uranus' classical moo…

astro-ph.EP2020★ 180 cited

Ammonium salts are a reservoir of nitrogen on a cometary nucleus and possibly on some asteroids

O. Poch, I. Istiqomah, E. Quirico +29

The measured nitrogen-to-carbon ratio in comets is lower than for the Sun, a discrepancy which could be alleviated if there is an unknown reservoir of nitrogen in comets. The nucle…

astro-ph.EP2019★ 3 cited

AMBITION -- Comet Nucleus Cryogenic Sample Return (White paper for ESA's Voyage 2050 programme)

D. Bockelée-Morvan, G. Filacchione, K. Altwegg +27

This white paper proposes that AMBITION, a Comet Nucleus Sample Return mission, be a cornerstone of ESA's Voyage 2050 programme. We summarise some of the most important questions s…

astro-ph.EP2019★ 14 cited

Diurnal variation of dust and gas production in comet 67P/Churyumov-Gerasimenko at the inbound equinox as seen by OSIRIS and VIRTIS-M on board Rosetta

C. Tubiana, G. Rinaldi, C. Güttler +53

On 27 Apr 2015, when 67P/C-G was at 1.76 au from the Sun and moving towards perihelion, the OSIRIS and VIRTIS-M instruments on Rosetta observed the evolving dust and gas coma durin…

astro-ph.EP2019★ 144 cited

Synthesis of the Morphological Description of Cometary Dust at Comet 67P

C. Güttler, T. Mannel, A. Rotundi +28

Before Rosetta, the space missions Giotto and Stardust shaped our view on cometary dust, supported by plentiful data from Earth based observations and interplanetary dust particles…

astro-ph.EP2019★ 23 cited

VIRTIS-H observations of comet 67P's dust coma: spectral properties and color temperature variability with phase and elevation

D. Bockelée-Morvan, C. Leyrat, S. Erard +14

We analyze 2-5 micrometre spectroscopic observations of the dust coma of comet 67P/Churyumov-Gerasimenko obtained with the VIRTIS-H instrument onboard Rosetta from 3 June to 29 Oct…

astro-ph.EP2018

Solar System Ice Giants: Exoplanets in our Backyard

Abigail Rymer, Kathleen Mandt, Dana Hurley +110

Future remote sensing of exoplanets will be enhanced by a thorough investigation of our solar system Ice Giants (Neptune-size planets). What can the configuration of the magnetic f…

astro-ph.EP2017★ 35 cited

Laboratory simulations of the Vis-NIR spectra of comet 67P using sub-μm sized cosmochemical analogues

Batiste Rousseau, Stéphane Érard, Pierre Beck +15

Laboratory spectral measurements of relevant analogue materials were performed in the framework of the Rosetta mission in order to explain the surface spectral properties of comet…

astro-ph.EP2017★ 72 cited

Comet 67P outbursts and quiescent coma at 1.3 AU from the Sun: dust properties from Rosetta/VIRTIS-H observations

D. Bockelée-Morvan, G. Rinaldi, S. Erard +15

We present 2-5 m spectroscopic observations of the dust coma of 67P/Churyumov-Gerasimenko obtained with the VIRTIS-H instrument onboard Rosetta during two outbursts that occurre…

astro-ph.EP2016★ 39 cited

The temporal evolution of exposed water ice-rich areas on the surface of 67P/Churyumov-Gerasimenko: spectral analysis

A. Raponi, M. Ciarniello, F. Capaccioni +16

Water ice-rich patches have been detected on the surface of comet 67P/Churyumov-Gerasimenko by the VIRTIS hyperspectral imager on-board the Rosetta spacecraft, since the orbital in…

astro-ph.EP2016★ 88 cited

Evolution of CO, CH, and OCS abundances relative to HO in the coma of comet 67P around perihelion from Rosetta/VIRTIS-H observations

D. Bockelée-Morvan, J. Crovisier, S. Erard +19

Infrared observations of the coma of 67P/Churyumov-Gerasimenko were carried out from July to September 2015, i.e., around perihelion (13 August 2015), with the high-resolution chan…

astro-ph.EP2016★ 45 cited

Detection of exposed HO ice on the nucleus of comet 67P/Churyumov-Gerasimenko

M. A. Barucci, G. Filacchione, S. Fornasier +42

Since the orbital insertion of the Rosetta spacecraft, comet 67P/Churyumov-Gerasimenko (67P/C-G) has been mapped by OSIRIS camera and VIRTIS spectro-imager, producing a huge quanti…

astro-ph.EP2016★ 71 cited

The global surface composition of 67P/CG nucleus by Rosetta/VIRTIS. I) Prelanding mission phase

Gianrico Filacchione, Fabrizio Capaccioni, Mauro Ciarniello +27

From August to November 2014 the Rosetta orbiter has performed an extensive observation campaign aimed at the characterization of 67P/CG nucleus properties and to the selection of…

astro-ph.EP2016★ 32 cited

Saturn's icy satellites investigated by Cassini - VIMS. IV. Daytime temperature maps

Gianrico Filacchione, Emiliano D'Aversa, Fabrizio Capaccioni +13

The spectral position of the 3.6 micron continuum peak measured on Cassini-VIMS I/F spectra is used as a marker to infer the temperature of the regolith particles covering the surf…