Dynamical evolution of V-type photometric candidates in the outer main belt

被引:13
|
作者
Huaman, M. E. [1 ]
Carruba, V. [1 ]
Domingos, R. C. [2 ]
机构
[1] Univ Estadual Paulista, UNESP, Grp Dinam Orbital & Planetol, BR-12516410 Guaratingueta, SP, Brazil
[2] Univ Estadual Paulista, UNESP, BR-13874149 Sao Joao Da Boa Vista, SP, Brazil
基金
巴西圣保罗研究基金会; 美国国家航空航天局;
关键词
celestial mechanics; minor planets; asteroids:; general; INFRARED-SURVEY-EXPLORER; ASTEROID FAMILIES; CLASSIFICATION;
D O I
10.1093/mnras/stu1655
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
V-type asteroids, characterized by two absorption bands at 1.0 and 2.0 mu m, are usually thought to be portions of the crust of differentiated or partially differentiated bodies. Most V-type asteroids are found in the inner main belt and are thought to be current or past members of the Vesta dynamical family. Recently, several V-type photometric candidates have been identified in the central and outer main belt. While the dynamical evolution of V-type photometric candidates in the central main belt has been recently investigated, less attention has been given to the orbital evolution of basaltic material in the outer main belt as a whole. Here, we identify known and new V-type photometric candidates in this region, and study their orbital evolution under the effect of gravitational and non-gravitational forces. A scenario in which a minimum of three local sources, possibly associated with the parent bodies of (349) Dembowska, (221) Eos, and (1459) Magnya, could in principle explain the current orbital distribution of V-type photometric candidates in the region.
引用
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页码:2985 / 2992
页数:8
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