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The daily processing of asteroid observations by Gaia
Paolo Tanga, Francois Mignard, Aldo Dell Oro +15
The Gaia mission started its regular observing program in the summer of 2014, and since then it is regularly obtaining observations of asteroids. This paper draws the outline of th…
Rapid temperature changes and the early activity on comet 67P/Churyumov-Gerasimenko
V. Alí-Lagoa, M. Delbo', G. Libourel
The so-called "early activity" of comet 67P/Churyumov-Gerasimenko has been observed to originate mostly in parts of the concave region or "neck" between its two lobes. Since activi…
Asteroid thermophysical modeling
Marco Delbo, Michael Mueller, Joshua P. Emery +2
The field of asteroid thermophysical modeling has experienced an extraordinary growth in the last ten years, as new thermal infrared data became available for hundreds of thousands…
ExploreNEOs VIII: Dormant Short-Period Comets in the Near-Earth Asteroid Population
M. Mommert, A. W. Harris, M. Mueller +8
We perform a search for dormant comets, asteroidal objects of cometary origin, in the near-Earth asteroid (NEA) population based on dynamical and physical considerations. Our study…
Thermophysical modeling of asteroids from WISE thermal infrared data - Significance of the shape model and the pole orientation uncertainties
Josef Hanuš, Marco Delbo', Josef Ďurech +1
In the analysis of thermal infrared data of asteroids by means of thermophysical models (TPMs) it is a common practice to neglect the uncertainty of the shape model and the rotatio…
The non-convex shape of (234) Barbara, the first Barbarian
P. Tanga, B. Carry, F. Colas +37
Asteroid (234) Barbara is the prototype of a category of asteroids that has been shown to be extremely rich in refractory inclusions, the oldest material ever found in the Solar Sy…