Asteroids (65) Cybele, (107) Camilla and (121) Hermione: Infrared spectral diversity among the Cybeles

被引:11
|
作者
Hargrove, Kelsey D. [1 ]
Kelley, Michael S. [2 ]
Campins, Humberto
Licandro, Javier [3 ,4 ]
Emery, Josh [5 ]
机构
[1] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA
[2] Univ Maryland, Dept Astron, College Pk, MD 20742 USA
[3] Inst Astrofis Canarias, E-38200 Tenerife, Spain
[4] Univ La Laguna, Dept Astrofis, E-38205 Tenerife, Spain
[5] Univ Tennessee, Planetary Geosci Inst, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA
基金
美国国家科学基金会;
关键词
Asteroids; Surfaces; Spectroscopy; Infrared observations; SPITZER-SPACE-TELESCOPE; WATER; SPECTROGRAPH; ORGANICS; SPEX; ICE;
D O I
10.1016/j.icarus.2012.07.013
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We find a clear diversity in the 3 pm and 10 pm features of three Cybele asteroids: (107) Camilla, (121) Hermione, and (65) Cybele. (121) Hermione exhibits a "check-like" 3 mu m feature, which may be attributed to OH-dominated minerals and (107) Camilla shows a rounded "bowl" like feature closer to that of (65) Cybele, which may be attributed to H2O-dominated minerals. The 10 pm features of these three asteroids are also different from each other. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:453 / 455
页数:3
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