NAOC Open IR
慢脉动B型星KIC 8324482的星震学研究
邓真敏; 李焱; 吴涛; 陈兴浩
2018
Source Publication天文学报
ISSN0001-5245
Volume059Issue:005Pages:49
Abstract慢脉动B型(Slowly Pulsating B-type,SPB)星的脉动频率很难被地面观测设备所观测到,直到近些年空间观测技术的快速发展才使其得以实现.SPB星的研究尚处于起步阶段,恒星内部还存在许多问题等待解决.而星震学恰巧是一个用于探索恒星内部结构和相关的物理过程的有力工具.因此,星震学方法可以用来探测SPB星的内部结构和物理过程.通过用模型网格的方法对KIC 8324482这颗SPB星进行初步的星震学诊断,并通过计算其震荡数据(周期与周期间隔)的卡方值来筛选最佳拟合模型,确定了这颗星的一些基本物理参数,并发现了SPB星周期间隔的振荡频率和振幅与其对流核收缩留下的元素丰度梯度轮廓的关系.除了对流超射以外,扩散混合也是解释该恒星周期间隔分布结构的必要条件.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/40283
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
邓真敏,李焱,吴涛,等. 慢脉动B型星KIC 8324482的星震学研究[J]. 天文学报,2018,059(005):49.
APA 邓真敏,李焱,吴涛,&陈兴浩.(2018).慢脉动B型星KIC 8324482的星震学研究.天文学报,059(005),49.
MLA 邓真敏,et al."慢脉动B型星KIC 8324482的星震学研究".天文学报 059.005(2018):49.
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