小行星族的正确选择和非引力效应action的确认
A correct selection of asteroid families and confirmation of a nongravitational effect action
摘要：
小行星大小按半长轴的分布和小行星数目按独立族的平均值的分布可用于更清楚地选择小行星族。使用D（a）和N（p）的分布对Masiero等人（2013）确定的家族进行了分析，存在正确定义和错误选择的家族。几乎所有正确选择的族都出现了平均振幅随半长轴的增大而减小的现象，并且这些族不被共振截断。对大多数家庭来说，这一下降具有统计意义。没有一个家庭的收入显著增加。这证实了我们以前的结论，即在小行星带中存在非引力效应，这种效应导致具有不同倾角的小行星的空间分离。
英文摘要：
The distribution of asteroid sizes by semimajor axes and the distribution of the number of asteroids by albedo values for separate families are used to selection the asteroid families more clearly. An analysis of the families identified by Masiero et al. (2013) was carried out with the use of the distributions of D(a) and N(p), there were defined correctly and incorrectly selected families. A decreasing of the mean albedo with semi-major axis increasing take place almost for all correctly selected families and which are not truncated by resonances. The decrease is statistically significant for the majority of these families. There is none family at a significant increase of albedo. This confirms our previous conclusion on existence of a non-gravitational effect in the asteroid belt which causes the spatial separation of asteroids with different albedos.
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