Statistics – Applications
Scientific paper
Aug 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989nascp3046...80b&link_type=abstract
In NASA, Relativistic Gravitational Experiments in Space p 80-88 (SEE N90-19940 12-90)
Statistics
Applications
Astronomical Observatories, Gravitational Collapse, Gravitational Waves, Laser Interferometry, Optical Heterodyning, Acceleration (Physics), Antenna Design, Daytime, Laser Applications, Radiation Detectors, Satellite-Borne Instruments, Sine Waves, Spaceborne Experiments, Stochastic Processes
Scientific paper
The present design concepts for a Laser Gravitational Wave Observatory in Space are described. Laser heterodyne distance measurements are made between test masses located in three spacecraft separated by roughly 106 km. The major technology issues are: the reduction of spurious acceleration noise for the test masses to below 2 x 10-15 cm/sq sec/Hz(0.5) from 10-5 to 10-3 Hz; and the measurement of changes in the difference of the antenna arm lengths to 5 x 10-11 cm/Hz(0.5) from 10-3 to 1 Hz with high reliability. The science objectives are: to measure discrete sinusoidal gravitational wave signals from individual sources with periods of 1 second to 1 day; to measure the stochastic background due to unresolved binaries; and to search for gravitational wave pulses with periods longer than 1 sec from possible exotic sources such as gravitational collapse of very massive objects.
Bender Peter L.
Faller James E.
Hall Jeffery L.
Hils Dieter
Stebbins Robin Tuck
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