Astronomy and Astrophysics – Astrophysics – Earth and Planetary Astrophysics
Scientific paper
2011-04-11
Astronomy and Astrophysics
Astrophysics
Earth and Planetary Astrophysics
Accepted for publication in AJ
Scientific paper
We conducted a satellite search around the dwarf planet 1 Ceres using Hubble Space Telescope and ground-based Palomar data. No candidate objects were found orbiting Ceres in its entire stability region down to ~500km from the surface of Ceres. Assuming a satellite would have the same albedo as Ceres, which has a visual geometric albedo of 0.07-0.10, our detection limit is sensitive to satellites larger than 1-2 km in diameter.
Alan Stern S.
Bieryla Allyson
Gladman Brett
McFadden Lucy-Ann A.
Parker Joel William
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