期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 466, 期 3, 页码 2560-2569出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stw3201
关键词
asteroseismology; dense matter; stars: neutron
r-mode asteroseismology provides a unique way to study the internal composition of compact stars. Due to their precise timing, recycled millisecond radio pulsars present a particularly promising class of sources. Although their thermal properties are still poorly constrained, X-ray data is very useful for asteroseismology since r-modes could strongly heat a star. Using known and new upper bounds on the temperatures and luminosities of several non-accreting millisecond radio pulsars, we derive bounds on the r-mode amplitude as low as a less than or similar to 10(8) and discuss the impact on scenarios for their internal composition.
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