High-Resolution Magnetic Field Measurements of RR Lyrae Stars with SemPol

被引：0

作者：

Guggenberger, E. ^{[1
]}

Kolenberg, K. ^{[1
]}

Marsden, S. C. ^{[2
]}

Waite, I. A. ^{[3
]}

Henrichs, H. F. ^{[4
]}

Lueftinger, T. ^{[1
]}

机构：

[1] Univ Vienna, Inst Astron, Turkenschanzstr 17, A-1180 Vienna, Austria

[2] Anglo Australian Observ, Epping, NSW 1710, Australia

[3] Univ Southern Queensland, Fac Sci, Toowoomba, Qld 4350, Australia

[4] Univ Amsterdam, Astron Inst, NL-1098 XH Amsterdam, Netherlands

来源：

STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION | 2009年 / 1170卷

基金：

奥地利科学基金会;

关键词：

RR Lyrae Stars; Spectropolarimetry; Magnetic Fields; VARIABILITY;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

For more than 30 years, there have been attempts to explain the Blazhko effect in RR Lyrae stars with the presence of strong magnetic fields (Mestel 1975, Cousins 1983, Shibahashi & Takata 1995, Shibahashi 2000). These so-called magnetic models are counted among the most promising explanations for the century-old puzzle of the Blazhko effect. The measurements of magnetic fields in RR Lyrae stars, however, have for a long time been sparse and contradictory. In December 2008 we devoted an observing campaign to the measurement of magnetic fields of a sample of bright RR Lyrae pulsators using the SemPol instrument at the 3.9m Anglo-Australian Telescope. Preliminary results and challenges of this campaign are presented in this paper.

引用

页码：278 / +

页数：2

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