利用K2任务对太阳型恒星进行星震学研究
太阳与恒星天体物理
2015-11-24 v1
摘要
我们展示了NASA K2任务首次在太阳型恒星中探测到的振荡，使用的是K2第1期（C1）期间收集的短节奏数据。我们理解了在类似C1的光度性能水平下的星震探测阈值，并且能够探测到主振荡频率约为的亚巨星中的振荡。预计从第3期开始，精细导星传感器操作的改变将显著改善高频性能。若高频超额噪声的振幅降低到原来的五分之二，将使主振荡频率高达的主序星成为K2潜在的星震学目标。
引用
@article{arxiv.1507.01827,
title = {Asteroseismology of solar-type stars with K2},
author = {W. J. Chaplin and M. N. Lund and R. Handberg and S. Basu and L. A. Buchhave and T. L. Campante and G. R. Davies and D. Huber and D. W. Latham and C. A. Latham and A. Serenelli and H. M. Antia and T. Appourchaux and W. H. Ball and O. Benomar and L. Casagrande and J. Christensen-Dalsgaard and H. R. Coelho and O. L. Creevey and Y. Elsworth and R. A. Garc and P. Gaulme and S. Hekker and T. Kallinger and C. Karoff and S. D. Kawaler and H. Kjeldsen and M. S. Lundkvist and F. Marcadon and S. Mathur and A. Miglio and B. Mosser and C. R and I. W. Roxburgh and V. Silva Aguirre and D. Stello and K. Verma and T. R. White and T. R. Bedding and T. Barclay and D. L. Buzasi and S. Deheuvels and L. Gizon and G. Houdek and S. B. Howell and D. Salabert and D. R. Soderblom},
journal= {arXiv preprint arXiv:1507.01827},
year = {2015}
}
备注
Accepted for publication in PASP; 16 pages, 2 figures