An A-type star with abnormally weak metallic lines and slow rotation. The cause of the metallic deficiencies is unknown. The stars have low space velocities and thus form a subgroup of Population I.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。