Magnetic field monitoring of the very slowly rotating CP star HD 965

被引:15
|
作者
Romanyuk, I. I. [1 ]
Kudryavtsev, D. O. [1 ]
Semenko, E. A. [1 ]
Yakunin, I. A. [1 ]
机构
[1] Russian Acad Sci, Special Astrophys Observ, Nizhnii Arkhyz 369167, Russia
基金
俄罗斯科学基金会;
关键词
stars: chemically peculiar; stars: magnetic field; stars: individual: HD 965;
D O I
10.1134/S1990341315040070
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
With the 6-m telescope we performed the magnetic field B (e) measurements for the chemically peculiar star HD 965. During 2000-2015 we obtained over 30 spectra with a Zeeman circular polarization analyzer. The longitudinal field reaches +600 G at the positive extremum and goes below -1300 G at the negative one. The magnetic monitoring of the star shows that the period of B (e) variability, i.e., the rotation period, exceeds 15 years. Thus, HD 965 belongs to the five slowest rotators among magnetic stars.
引用
收藏
页码:456 / 459
页数:4
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