Search for aqueously altered materials on asteroids

被引:30
作者
Barucci, MA [1 ]
Doressoundiram, A
Fulchignoni, M
Florczak, M
Lazzarin, M
Angeli, C
Lazzaro, D
机构
[1] Observ Paris, F-92195 Meudon, France
[2] CNPq, ON, Dept Astrofis, BR-20921 Rio De Janeiro, Brazil
[3] CEFET, Dept Fis, BR-8000 Curitiba, Parana, Brazil
[4] Dipartimento Astron, I-35122 Padua, Italy
关键词
D O I
10.1006/icar.1998.5889
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The analysis of visible and near-infrared reflectance spectra of C-class objects has revealed the presence of features that appear to indicate a history of aqueous alteration on their surfaces. This result can provide constraints on our understanding of the early Solar System. We have recorded spectra covering 0.48-0.92 mu m for 29 C-class objects with orbital semimajor axes between 2.3 and 3.6 AU, About 70% of the observed objects show features produced as the result of aqueous alteration processes. (C) 1998 Academic Press.
引用
收藏
页码:388 / 396
页数:9
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