INFERRING PHYSICAL PARAMETERS OF COMPACT STARS FROM THEIR f-MODE GRAVITATIONAL WAVE SIGNALS
Publication in refereed journal


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摘要We propose here a robust scheme to infer the physical parameters of compact stars from their f-mode gravitational wave signals. We first show that the frequency and the damping rate of f-mode oscillation of compact stars can be expressed in terms of universal functions of stellar mass and moment of inertia. By employing the universality in the f-mode one can then infer accurate values of the mass, the moment of inertia, and the radius of a compact star. In addition, we demonstrate that our new scheme works well for both realistic neutron stars and quark stars, and hence provides a unifying way to infer the physical parameters of compact stars.
著者Lau HK, Leung PT, Lin LM
期刊名稱Astrophysical Journal
出版年份2010
月份5
日期10
卷號714
期次2
出版社American Astronomical Society
頁次1234 - 1238
國際標準期刊號0004-637X
電子國際標準期刊號1538-4357
語言英式英語
關鍵詞asteroseismology; equation of state; gravitational waves; stars: neutron; stars: oscillations
Web of Science 學科類別Astronomy & Astrophysics; ASTRONOMY & ASTROPHYSICS

上次更新時間 2020-18-10 於 00:06