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Journal Article

Detecting gravitational waves from accreting neutron stars

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons20661

Krishnan,  Badri
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

AdvSR-43-1049.pdf
(Any fulltext), 237KB

0901.1680v1.pdf
(Preprint), 167KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Watts, A. L., & Krishnan, B. (2009). Detecting gravitational waves from accreting neutron stars. Advances in Space Research, 43(7), 1049-1054. doi:10.1016/j.asr.2009.01.006.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-E99E-8
Abstract
The gravitational waves emitted by neutron stars carry unique information about their structure and composition. Direct detection of these gravitational waves, however, is a formidable technical challenge. In a recent study we quantified the hurdles facing searches for gravitational waves from the known accreting neutron stars, given the level of uncertainty that exists regarding spin and orbital parameters. In this paper we reflect on our conclusions, and issue an open challenge to the theoretical community to consider how searches should be designed to yield the most astrophysically interesting upper limits. With this in mind we examine some more optimistic emission scenarios involving spin-down, and show that there are technically feasible searches, particularly for the accreting millisecond pulsars, that might place meaningful constraints on torque mechanisms. We finish with a brief discussion of prospects for indirect detection.