Near-Infrared Spectroscopy of Outer Solar System Objects

AST 0098665 CampinsDr.温贝托·坎平斯将领导一项为期三年的系统研究，研究半人马、跨尼普图尼亚天体(TNOS)和木星家族(JF)彗星的非活动核。他将获得这三组成员的近红外光谱，作为旋转相的函数。如果我们要了解这三类原始太阳系天体之间的演化联系，对相当数量的半人马彗星、TNO彗星和JF彗星的光谱变率随旋转相位的适当研究是必不可少的。坎平斯博士将在亚利桑那州新建的6.5米MMT设施中进行观察，该设施将允许对每个种群中足够多的成员进行详细观察，以便对他们的特性进行适当的比较。他已经证明了其中一个天体(8405阿斯博卢斯)的光谱随着旋转相位的变化而发生了显著的变化。

AST 0098665CampinsDr. Humberto Campins will lead a systematic three-year study of Centaurs, Transneptunian Objects (TNOs), and inactive nuclei of Jupiter-family (JF) comets. He will obtain near-infrared spectra as a function of rotational phase for members of these three groups. The proper study of the spectral variability with rotational phase in a significant number of Centaurs, TNOs, and JF comets is essential if we are to understand the evolutionary links between these three populations of primitive Solar System objects. Dr. Campins will observe with the new 6.5- meter MMT facility in Arizona, which will allow detailed observations of enough members of each population for a proper comparison of their properties. He has already demonstrated that one of these objects (8405 Asbolus) has a dramatic spectral variation as a function of rotational phase.***