A SEARCH FOR SATELLITES AROUND CERES

被引：3

作者：

Bieryla, A. ^{[1
,2
]}

Parker, J. Wm. ^{[2
]}

Young, E. F. ^{[2
]}

McFadden, L. A. ^{[3
]}

Russell, C. T. ^{[4
]}

Stern, S. A. ^{[2
]}

Sykes, M. V. ^{[5
]}

Gladman, B. ^{[6
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

[2] SW Res Inst, Boulder, CO 80302 USA

[3] Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[4] Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA 90095 USA

[5] Planetary Sci Inst, Tucson, AZ 85719 USA

[6] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

来源：

ASTRONOMICAL JOURNAL | 2011年 / 141卷 / 06期

关键词：

minor planets; asteroids:; individual; (1; Ceres);

D O I：

10.1088/0004-6256/141/6/197

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 similar to 500 km 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.

引用

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