Mathematics – Logic
Scientific paper
Apr 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aps..aprh20013b&link_type=abstract
American Physical Society, April Meeting, April 29-May 2, 2000 Long Beach, CA, abstract #H20.013
Mathematics
Logic
Scientific paper
Data obtained by the Laser Interferometer Space Antenna (LISA) is expected to include gravitational wave signals from several types of sources involving massive black holes at cosmological distances. In addition, there will be a very large number of signals from short period galactic binaries. For 1 year of observations, the average number of galactic binaries per frequency bin will be large enough at frequencies below 1 mHz so that most of their signals cannot be resolved. At higher frequencies, above roughly 3 mHz, most individual galactic signals can be solved for and removed from the data record. Studies have been started to investigate, for frequencies from roughly 1 to 10 mHz, how much information about the extragalactic black hole sources will be lost because of having to solve for the galactic sources. An axisymmetric but fairly realistic model is being used for the distribution of binaries in the galaxy. It probably will be desirable to subtract out some sources whose reality and signal parameters are only moderately certain, but whose frequency characteristics differ from the massive black hole signals of interest.
Bender Peter L.
Hils Dieter
Stebbins Robin Tuck
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