Chemistry and Kinematics of the Galaxy and the Large Magellanic Cloud: A Joint Project Between the University ofNorth Carolina and Bowling Green State University

卡尼博士将与鲍灵格林州立大学的约翰·莱尔德博士在这个联合项目上合作，开始四个新的观测项目，专门研究我们银河系的圆盘和外晕以及大麦哲伦星云。(1)将在银道面选定的方向上识别数千颗矮星，以确定恒星薄盘和厚盘种群的局部密度比。(2)我们将研究银河系的外盘，以获得与该盘形成时间尺度有关的信息，以及有关外盘的化学和运动学信息。(3)测定银河系外晕球状星团和矮球状星系中的红巨星的金属丰度。(4)测定大麦哲伦星云中约1000颗巨星的金属丰度和径向速度。这将揭示大麦哲伦星云中较老恒星的化学和运动学的历史。这些主要研究人员还将计算低温恒星和低重力恒星的合成光谱，以便从观测获得的高分辨率光谱中得出平均物质度。

Dr. Carney will collaborate on this joint project with Dr. John Laird at Bowling Green State University to begin four new observational programs which are dedicated to studies of the disk and outer halo of our Galaxy and to the Large Magellanic Cloud. (1) Several thousand dwarf stars will be identified in selected directions in the Galactic plane to determine the local density ratio of thin disk and thick disk populations of stars. (2) The outer disk of our Galaxy will be studied for information relevant to the formation timescale of the disk and for chemical and kinematic information about the outer disk. (3) The metallicities of red giant stars in globular clusters in the outer halo of our Galaxy and of dwarf spheroidal galaxies will be determined. (4) Metallicities and radial velocities of about 1000 giant stars in the Large Magellanic Cloud will be determined. This will reveal the history of the chemistry and kinematics of the older stars in the Large Magellanic Cloud. These principal investigators will also compute synthetic spectra for cooler stars and lower gravity stars in order to derive the mean matallicities from high resolution spectra obtained from observations.