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8 papers · 2 filters
An upper limit for the water outgassing rate of the main-belt comet 176P/LINEAR observed with Herschel/HIFI
M. de Val-Borro, L. Rezac, P. Hartogh +15
176P/LINEAR is a member of the new cometary class known as main-belt comets (MBCs). It displayed cometary activity shortly during its 2005 perihelion passage that may be driven by…
Submillimetric spectroscopic observations of volatiles in comet C/2004 Q2 (Machholz)
M. de Val-Borro, P. Hartogh, C. Jarchow +6
We aim to determine the production rates of several parent and product volatiles and the 12C/13C isotopic carbon ratio in the long-period comet C/2004 Q2 (Machholz), which is likel…
A chemical model for the atmosphere of hot Jupiters
Olivia Venot, Eric Hébrard, Marcelino Agùndez +5
Our purpose is to release a chemical network, and the associated rate coefficients, developed for the temperature and pressure range relevant to hot Jupiters atmospheres. Using thi…
Impact cratering on Mercury: consequences for the spin evolution
Alexandre C. M. Correia, Jacques Laskar
Impact basins identified by Mariner 10 and Messenger flyby images provide us a fossilized record of the impactor flux of asteroids on Mercury during the last stages of the early So…
Nano dust impacts on spacecraft and boom antenna charging
Filippo Pantellini, Soraya Belheouane, Nicole Meyer-Vernet +1
High rate sampling detectors measuring the potential difference between the main body and boom antennas of interplanetary spacecraft have been shown to be efficient means to measur…
Constraining multiple systems with GAIA
L. Beauvalet, V. Lainey, J. -E. Arlot +3
GAIA will provide observations of some multiple asteroid and dwarf systems. These observations are a way to determine and improve the quantification of dynamical parameters, such a…