Forty-eight new rotation lightcurves of 12 Koronis family asteroids

被引:11
|
作者
Slivan, SM
Binzel, RP
机构
[1] Dept. of Earth, Atmosph.,/Planet. S., Massachusetts Inst. of Technology, Cambridge, MA 02139
基金
美国国家科学基金会; 美国国家航空航天局;
关键词
D O I
10.1006/icar.1996.0222
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
An observational survey of rotation lightcurves for 12 members of the Koronis asteroid family was conducted during the period 1987-1994, with the goal of establishing a sufficient data set to allow analysis of the distribution of their spin-axis orientations. A total of 137 individual lightcurves were obtained using photoelectric and CCD photometry techniques for asteroids 158, 167, 208, 243, 263, 277, 311, 321, 462, 534, 720, and 1223. All these data have been calibrated to the Johnson V magnitude system. Forty-eight new composite lightcurves for the 12 target asteroids are presented, and new or refined rotation periods for 11 of them are reported. (C) 1996 Academic Press, Inc.
引用
收藏
页码:452 / 470
页数:19
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