Globular cluster distance measurements with LISA

Details Globular cluster distance measurements with LISA Globular cluster distance measurements with LISA

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..523..405b&link_type=abstract

GRAVITATIONAL WAVES: Third Edoardo Amaldi Conference. AIP Conference Proceedings, Volume 523, pp. 405-406 (2000).

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Distances, Parallaxes, Stellar Clusters And Associations, Gravitational Radiation Detectors, Mass Spectrometers, And Other Instrumentation And Techniques

Scientific paper

The dynamics of globular cluster evolution is thought to favor the production of hard binary systems in the cluster core. Binaries containing two degenerate objects will be detectable by LISA with a signal to noise ratio above 10. Very short period binaries with orbital periods below about 500 s will have a measurable frequency change (or chirp) due to inspiral during a one year integration. Using the measured chirp, it is possible to determine the distance to the binary with better than 10% precision if the angular position is known. Consequently, it is shown that globular cluster distances can be measured accurately using gravitational radiation. .

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